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Convert Your Dev Environment to a Docker Stack - PHP Tek 2025.pdf

Heard a lot about docker but not sure where to start? Frustrated maintaining development VMs? In this presentation we will go over the simplest ways to convert your development environment over to a docker stack, including support for full acceptance testing with Selenium. We’ll then go over how to modify the stack to mimic your production/pre-production environment(s) as closely as possible, and demystify working with the containers in the stack.

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Converting Your Dev Environment to a Docker Stack Dana Luther https://joind.in/talk/7bbd7 https://github.com/DanaLuther/DevDockerStackSample/tree/phptek @danaluther@phpc.social
Consolidated Work Stack PHP 8.4 FPM NGINX MySQL
Consolidated Work Stack Friend A PHP 8.0 Apache MySQL PHP 8.4 FPM NGINX MySQL
Consolidated Work Stack Friend A PHP 8.0 Apache MySQL Cause B PHP 8.1 FPM NGINX MySQL PHP 8.4 FPM NGINX MySQL
Licensed Application
Licensed Application PHP 5.6 Apache MySQL 5.7 Client A
Licensed Application PHP 5.6 Apache MySQL 5.7 Client A Client B PHP 8.4 Apache MySQL 8.4
Licensed Application Client C PHP 8.1 FPM NGINX MySQL 8.4 PHP 5.6 Apache MySQL 5.7 Client A Client B PHP 8.4 Apache MySQL 8.4
Licensed Application Client D PHP 7.1 FPM NGINX MySQL 8.0 Client C PHP 8.1 FPM NGINX MySQL 8.4 PHP 5.6 Apache MySQL 5.7 Client A Client B PHP 8.4 Apache MySQL 8.4
THERE IS A BETTER WAY
THERE IS A BETTER WAY
VM PHP 8.4 FPM NGINX MySQL
VM PHP 8.4 FPM NGINX MySQL
So, how does that work??? 🤔 ? ? ? ?
docker-compose.yml Docker Compose Version Services in the Stack Con fi gurations, Secrets, Storage Volumes, etc. Version: “3.7” services: nginx: image: nginx command: [ 'sh', ' - c', "exec nginx - g 'daemon off;'" ] … php: image: php:8.4-fpm … network: web_frontend conf i g: nginx.conf: f i le: ./nginx/nginx.conf volumes: https://docs.docker.com/compose/compose- fi le/
SIDEB AR:The Docker Hierarchy
SIDEB AR:The Docker Hierarchy Image Container Service Stack
SIDEB AR:The Docker Hierarchy Image Container Service Stack Node Swarm
> docker stack deploy … Swarm NODE 1 NODE 2 ETC. PHP 1 MySQL NGINX PHP 2
SIDEB AR:Docker Command Syntax docker (object) (action) (args)
SIDEB AR:Docker Command Syntax docker (object) (action) (args) > docker container ls
SIDEB AR:Docker Command Syntax docker (object) (action) (args) > docker container ls > docker image ls
SIDEB AR:Docker Command Syntax docker (object) (action) (args) > docker container ls > docker image ls > docker service ls
SIDEB AR:Docker Command Syntax docker (object) (action) (args) > docker container ls > docker image ls > docker service ls > docker volume ls
SIDEB AR:Docker Command Syntax docker (object) (action) (args) > docker container ls > docker image ls > docker service ls > docker volume ls image container stack service con fi g network node plugin swarm Objects
SIDEB AR:Docker Command Syntax docker (object) (action) (args) > docker container ls > docker image ls > docker service ls > docker volume ls image container stack service con fi g network node plugin swarm Objects ls ps prune inspect create remove / rm Common Actions
The swarm … Node Manager Node Worker Node Worker Node Worker
Node Manager A SWARM OF ONE > docker swarm init
Node Manager A SWARM OF ONE > docker swarm init
⚠ Common “Gotcha” Swarm init — ONE TIME ONLY * THE SWARM PERSISTS *
⚠ Common “Gotcha” Swarm init — ONE TIME ONLY * THE SWARM PERSISTS * > docker swarm leave
⚠ Common “Gotcha” Swarm init — ONE TIME ONLY * THE SWARM PERSISTS * > docker swarm leave > docker swarm leave —force
POP QUIZ!
POP QUIZ! A. What’s the di ff erence between a container and a service?
POP QUIZ! A. What’s the di ff erence between a container and a service? B. What’s the di ff erence between a service and a stack?
Commonly Useful Images: mysql php nginx httpd node redis wordpress composer memcached alpine postgres busybox https://hub.docker.com
Commonly Useful Images: mysql php nginx httpd node redis wordpress composer memcached alpine postgres busybox phpmyadmin/phpmyadmin https://hub.docker.com
Commonly Useful Images: mysql php nginx httpd node redis wordpress composer memcached alpine postgres busybox phpmyadmin/phpmyadmin https://hub.docker.com BONUS POP QUIZ!
Commonly Useful Images: mysql php nginx httpd node redis wordpress composer memcached alpine postgres busybox phpmyadmin/phpmyadmin https://hub.docker.com BONUS POP QUIZ! How do you pull an image manually?
Commonly Useful Images: mysql php nginx httpd node redis wordpress composer memcached alpine postgres busybox phpmyadmin/phpmyadmin https://hub.docker.com > docker image pull mysql:latest BONUS POP QUIZ! How do you pull an image manually?
Images for Automated Testing selenium/standalone-chrome-debug selenium/standalone- fi refox-debug:2.53.0 acceptance.suite.yml docker-compose.yml
Images for Automated Testing selenium/standalone-chrome-debug selenium/standalone- fi refox-debug:2.53.0 acceptance.suite.yml docker-compose.yml
SIDEB AR:Legacy images, containers, volumes > docker image prune > docker container prune > docker (whatever) prune
SIDEB AR:Legacy images, containers, volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
SIDEB AR:Legacy images, containers, volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
SIDEB AR:Legacy images, containers, volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
SIDEB AR:Legacy images, containers, volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
version: “3.7” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: version: “3.7” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] PHP 8.4 FPM NGINX MySQL
php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” - - PHP 8.4 FPM NGINX MySQL
php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” - - PHP 8.4 FPM NGINX MySQL
SIDEB AR:LABELS — use them everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
SIDEB AR:LABELS — use them everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
SIDEB AR:LABELS — use them everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
SIDEB AR:LABELS — use them everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
version: “3.7” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
Volume Example for php php: volumes: - ./public_html:/var/ w w w /html Local path relative to the fi le Path location within the container
Using named storage volumes Volumes: pub_html: external: true … php: volumes: - pub_html:/var/ w w w /html Volume name Path location within the container > docker volume create pub_html —opt type=none —opt o=bind —opt device=/Volumes/E/site/ —label “com.envisage.desc=Site”
Using named storage volumes > docker volume create pub_html —opt type=none —opt o=bind —opt device=/Volumes/E/site/ —label “com.envisage.desc=Site”
⚠ Common “Gotcha” * BEWARE WINDOWS PATHS * C : DockerDriveSite /C/DockerDrives/Site /host_mnt/c/DockerDrives/Site / / c/DockerDrives/Site Windows LCOW Volume Path
POP QUIZ!
POP QUIZ! A. What is the command to initialize a swarm?
POP QUIZ! A. What is the command to initialize a swarm? B. What is the command to deploy a docker stack?
> docker stack deploy - c docker - compose.yml phptek
> docker stack deploy - c docker - compose.yml phptek
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ?
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls > docker stack ps phptek
> docker stack deploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls > docker stack ps phptek
> docker service logs phptek_db
> docker service logs phptek_db
> docker service logs phptek_db
> docker service logs phptek_db
> docker stack deploy - c docker - compose.yml phptek
> docker stack deploy - c docker - compose.yml phptek
> docker stack deploy - c docker - compose.yml phptek
> docker stack deploy - c docker - compose.yml phptek
> docker stack deploy - c docker - compose.yml - - resolve - image=never phptek > docker stack deploy - c docker - compose.yml phptek
Want to see it in action? > docker service logs phptek_nginx - f
Want to see it in action? > docker service logs phptek_nginx - f
Want to see it in action? > docker service logs phptek_nginx - f
Want to see it in action? > docker service logs phptek_nginx - f
⚠ Common “Gotcha” localhost:3306 db:3306
⚠ Common “Gotcha” localhost:3306 db:3306 upstream fastcgi { server 127.0.0.1 : 9000 } upstream fastcgi { server php:9000 }
Ok, great! But … ¯_(ツ)_/¯ My production server has lots of con fi gurations that have been customized… php/conf.d/* my.cnf nginx.conf nginx/conf.d/*
version: “3.7” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
version: “3.7” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] - image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.d volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.de command: [‘bin/sh’, ‘ - c’, “sleep i networks: web: conf i gs: mysite: i PHP 8.4 FPM NGINX MySQL
Con fi g: mysite
Con fi g: mysite > docker conf i g inspect phptek_mysite
version: “3.4” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
Secret: db_pwd
Secret: db_pwd > docker secret inspect phptek_db_pwd
⚠ Common “Gotcha” > docker conf i g ls
⚠ Common “Gotcha” > docker conf i g ls
⚠ Common “Gotcha” > docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
⚠ Common “Gotcha” > docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
⚠ Common “Gotcha” > docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
⚠ Common “Gotcha” > docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
⚠ Common “Gotcha” > docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls > docker service update - - conf i g - rm phptek_mysite - - conf i g - add source=mysite.2,target=/etc/nginx/conf.d/default.conf phptek_nginx
⚠ Common “Gotcha” > docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls > docker service update - - conf i g - rm phptek_mysite - - conf i g - add source=mysite.2,target=/etc/nginx/conf.d/default.conf phptek_nginx
> docker service rollback phptek_nginx
> docker service rollback phptek_nginx
Done with the project for now? > docker stack rm phptek
Done with the project for now? > docker stack rm phptek
Done with the project for now? > docker stack rm phptek
Done with the project for now? > docker stack rm phptek
POP QUIZ!
POP QUIZ! A. How do you check the replication status of services?
POP QUIZ! A. How do you check the replication status of services? B. How do you check for error messages on the stack?
POP QUIZ! A. How do you check the replication status of services? B. How do you check for error messages on the stack? BONUS POINT
POP QUIZ! A. How do you check the replication status of services? B. How do you check for error messages on the stack? BONUS POINT How do you avoid truncating the error message?
POP QUIZ! A. How do you check the replication status of services? B. How do you check for error messages on the stack? > docker stack ps vm - - no - trunc BONUS POINT How do you avoid truncating the error message?
Same project … multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
Same project … multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
Same project … multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
Same project … multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
POP QUIZ!
POP QUIZ! A. How do you fi lter a list of docker objects (services, containers, images, etc)
SIDEB AR:The $( ) magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this)
SIDEB AR:The $( ) magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this) > docker container ls - q - l
SIDEB AR:The $( ) magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this) > docker container ls - q - l
SIDEB AR:The $( ) magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this) > docker container ls - q - l > docker container exec - it $(docker ps - lq - f name=phptek_nginx) bash
Bonus Time!
Bonus Time!
.zshrc aliases for the win … ¯_(ツ)_/¯ (Sorry, you’re on your own for Windows mounts)
Need WordPress? FROM wordpress:6-php8.3-fpm AS wpbuilder # *** PHP-FPM image clean and viable for building others, preloaded with the wordpress base from wordpress directly *** # FROM fpm AS wordpressrelease COPY --from=wpbuilder /usr/src/wordpress /usr/src/wordpress COPY ./wp/db.php /usr/src/wordpress/wp-content/ COPY ./wp/db-con fi g.php /usr/src/wordpress/ CMD php-fpm # Copy in the blog base COPY —from=mynamespace/php:wordpress-8.3 /usr/src/wordpress/ /var/www/html/blog/ # Copy in the current source code COPY ./ /var/www/html
Questions? https://joind.in/talk/7bbd7 🤔 ? ? ? ? @danaluther@phpc.social https://www.linkedin.com/in/danaluther dluther@envisageinternational.com https://github.com/DanaLuther/DevDockerStackSample/tree/phptek

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Convert Your Dev Environment to a Docker Stack - PHP Tek 2025.pdf

  • 1.
    Converting Your DevEnvironment to a Docker Stack Dana Luther https://joind.in/talk/7bbd7 https://github.com/DanaLuther/DevDockerStackSample/tree/phptek @danaluther@phpc.social
  • 2.
    Consolidated Work Stack PHP8.4 FPM NGINX MySQL
  • 3.
    Consolidated Work Stack FriendA PHP 8.0 Apache MySQL PHP 8.4 FPM NGINX MySQL
  • 4.
    Consolidated Work Stack FriendA PHP 8.0 Apache MySQL Cause B PHP 8.1 FPM NGINX MySQL PHP 8.4 FPM NGINX MySQL
  • 5.
  • 6.
  • 7.
    Licensed Application PHP 5.6 Apache MySQL 5.7 ClientA Client B PHP 8.4 Apache MySQL 8.4
  • 8.
    Licensed Application Client C PHP 8.1FPM NGINX MySQL 8.4 PHP 5.6 Apache MySQL 5.7 Client A Client B PHP 8.4 Apache MySQL 8.4
  • 9.
    Licensed Application Client D PHP 7.1FPM NGINX MySQL 8.0 Client C PHP 8.1 FPM NGINX MySQL 8.4 PHP 5.6 Apache MySQL 5.7 Client A Client B PHP 8.4 Apache MySQL 8.4
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
    So, how doesthat work??? 🤔 ? ? ? ?
  • 15.
    docker-compose.yml Docker Compose Version Servicesin the Stack Con fi gurations, Secrets, Storage Volumes, etc. Version: “3.7” services: nginx: image: nginx command: [ 'sh', ' - c', "exec nginx - g 'daemon off;'" ] … php: image: php:8.4-fpm … network: web_frontend conf i g: nginx.conf: f i le: ./nginx/nginx.conf volumes: https://docs.docker.com/compose/compose- fi le/
  • 16.
  • 17.
    SIDEB AR:The Docker Hierarchy ImageContainer Service Stack
  • 18.
    SIDEB AR:The Docker Hierarchy ImageContainer Service Stack Node Swarm
  • 19.
    > docker stackdeploy … Swarm NODE 1 NODE 2 ETC. PHP 1 MySQL NGINX PHP 2
  • 20.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args)
  • 21.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args) > docker container ls
  • 22.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args) > docker container ls > docker image ls
  • 23.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args) > docker container ls > docker image ls > docker service ls
  • 24.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args) > docker container ls > docker image ls > docker service ls > docker volume ls
  • 25.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args) > docker container ls > docker image ls > docker service ls > docker volume ls image container stack service con fi g network node plugin swarm Objects
  • 26.
    SIDEB AR:Docker Command Syntax docker(object) (action) (args) > docker container ls > docker image ls > docker service ls > docker volume ls image container stack service con fi g network node plugin swarm Objects ls ps prune inspect create remove / rm Common Actions
  • 27.
  • 28.
    Node Manager A SWARM OFONE > docker swarm init
  • 29.
    Node Manager A SWARM OFONE > docker swarm init
  • 30.
    ⚠ Common “Gotcha” Swarminit — ONE TIME ONLY * THE SWARM PERSISTS *
  • 31.
    ⚠ Common “Gotcha” Swarminit — ONE TIME ONLY * THE SWARM PERSISTS * > docker swarm leave
  • 32.
    ⚠ Common “Gotcha” Swarminit — ONE TIME ONLY * THE SWARM PERSISTS * > docker swarm leave > docker swarm leave —force
  • 33.
  • 34.
    POP QUIZ! A. What’sthe di ff erence between a container and a service?
  • 35.
    POP QUIZ! A. What’sthe di ff erence between a container and a service? B. What’s the di ff erence between a service and a stack?
  • 36.
  • 37.
  • 38.
  • 39.
  • 40.
  • 41.
    Images for AutomatedTesting selenium/standalone-chrome-debug selenium/standalone- fi refox-debug:2.53.0 acceptance.suite.yml docker-compose.yml
  • 42.
    Images for AutomatedTesting selenium/standalone-chrome-debug selenium/standalone- fi refox-debug:2.53.0 acceptance.suite.yml docker-compose.yml
  • 43.
    SIDEB AR:Legacy images, containers,volumes > docker image prune > docker container prune > docker (whatever) prune
  • 44.
    SIDEB AR:Legacy images, containers,volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
  • 45.
    SIDEB AR:Legacy images, containers,volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
  • 46.
    SIDEB AR:Legacy images, containers,volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
  • 47.
    SIDEB AR:Legacy images, containers,volumes > docker image prune > docker container prune > docker (whatever) prune > docker system prune
  • 48.
    version: “3.7” services: nginx: image: nginx networks: -web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
  • 49.
    php: image: php:8.4-fpm networks: - web depends_on: -db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: version: “3.7” services: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] PHP 8.4 FPM NGINX MySQL
  • 50.
    php: image: php:8.4-fpm networks: - web depends_on: -db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” - - PHP 8.4 FPM NGINX MySQL
  • 51.
    php: image: php:8.4-fpm networks: - web depends_on: -db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: nginx: image: nginx networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” - - PHP 8.4 FPM NGINX MySQL
  • 52.
    SIDEB AR:LABELS — usethem everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
  • 53.
    SIDEB AR:LABELS — usethem everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
  • 54.
    SIDEB AR:LABELS — usethem everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
  • 55.
    SIDEB AR:LABELS — usethem everywhere! 🤔 ? ? ? ? The -f toggle - f name=vm_php - f label=com.envisage.desc=php
  • 56.
    version: “3.7” services: nginx: image: nginx networks: -web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
  • 57.
    Volume Example forphp php: volumes: - ./public_html:/var/ w w w /html Local path relative to the fi le Path location within the container
  • 58.
    Using named storagevolumes Volumes: pub_html: external: true … php: volumes: - pub_html:/var/ w w w /html Volume name Path location within the container > docker volume create pub_html —opt type=none —opt o=bind —opt device=/Volumes/E/site/ —label “com.envisage.desc=Site”
  • 59.
    Using named storagevolumes > docker volume create pub_html —opt type=none —opt o=bind —opt device=/Volumes/E/site/ —label “com.envisage.desc=Site”
  • 60.
    ⚠ Common “Gotcha” *BEWARE WINDOWS PATHS * C : DockerDriveSite /C/DockerDrives/Site /host_mnt/c/DockerDrives/Site / / c/DockerDrives/Site Windows LCOW Volume Path
  • 62.
  • 63.
    POP QUIZ! A. Whatis the command to initialize a swarm?
  • 64.
    POP QUIZ! A. Whatis the command to initialize a swarm? B. What is the command to deploy a docker stack?
  • 65.
    > docker stackdeploy - c docker - compose.yml phptek
  • 66.
    > docker stackdeploy - c docker - compose.yml phptek
  • 67.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ?
  • 68.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
  • 69.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
  • 70.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
  • 71.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls
  • 72.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls > docker stack ps phptek
  • 73.
    > docker stackdeploy - c docker - compose.yml phptek 🤔 ? ? ? ? > docker service ls > docker stack ps phptek
  • 74.
    > docker servicelogs phptek_db
  • 75.
    > docker servicelogs phptek_db
  • 76.
    > docker servicelogs phptek_db
  • 77.
    > docker servicelogs phptek_db
  • 78.
    > docker stackdeploy - c docker - compose.yml phptek
  • 79.
    > docker stackdeploy - c docker - compose.yml phptek
  • 80.
    > docker stackdeploy - c docker - compose.yml phptek
  • 81.
    > docker stackdeploy - c docker - compose.yml phptek
  • 82.
    > docker stackdeploy - c docker - compose.yml - - resolve - image=never phptek > docker stack deploy - c docker - compose.yml phptek
  • 85.
    Want to seeit in action? > docker service logs phptek_nginx - f
  • 86.
    Want to seeit in action? > docker service logs phptek_nginx - f
  • 87.
    Want to seeit in action? > docker service logs phptek_nginx - f
  • 88.
    Want to seeit in action? > docker service logs phptek_nginx - f
  • 89.
  • 90.
    ⚠ Common “Gotcha” localhost:3306db:3306 upstream fastcgi { server 127.0.0.1 : 9000 } upstream fastcgi { server php:9000 }
  • 91.
    Ok, great! But… ¯_(ツ)_/¯ My production server has lots of con fi gurations that have been customized… php/conf.d/* my.cnf nginx.conf nginx/conf.d/*
  • 92.
    version: “3.7” services: nginx: image: nginx networks: -web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
  • 93.
    version: “3.7” services: nginx: image: nginx networks: -web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] - image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.d volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.de command: [‘bin/sh’, ‘ - c’, “sleep i networks: web: conf i gs: mysite: i PHP 8.4 FPM NGINX MySQL
  • 94.
  • 95.
    Con fi g: mysite > dockerconf i g inspect phptek_mysite
  • 96.
    version: “3.4” services: nginx: image: nginx networks: -web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “Nginx Service” volumes: - ./public_html:/var/ w w w /html conf i gs: - source: mysite target: /etc/nginx/conf.d/mysite.conf ports: - “80 : 80” - “443 : 443” depends_on: - php - db labels: com.envisageinternational.desc: “Nginx Container” command: [‘sh’,' - c',"exec nginx - g 'daemon off;’”] db: image: mysql ports: - “3306 : 3306” networks: - web secrets: - db_pwd deploy: replicas: 1 restart_policy: condition: on - failure placement: constraints: [ node.role = = manager ] php: image: php:8.4-fpm networks: - web depends_on: - db deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-FPM Service” ports: - “9000 : 9000” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-FPM Container” php - cli: image: php:8.4-cli networks: - web deploy: replicas: 1 restart_policy: condition: on - failure labels: com.envisageinternational.desc: “PHP-CLI Service” volumes: - ./public_html:/var/ w w w /html labels: com.envisageinternational.desc: “PHP-CLI Container” command: [‘bin/sh’, ‘ - c’, “sleep inf i nity”] networks: web: conf i gs: mysite: f i le: ./mysite.conf secrets: PHP 8.4 FPM NGINX MySQL
  • 97.
  • 98.
    Secret: db_pwd > dockersecret inspect phptek_db_pwd
  • 99.
    ⚠ Common “Gotcha” >docker conf i g ls
  • 100.
    ⚠ Common “Gotcha” >docker conf i g ls
  • 101.
    ⚠ Common “Gotcha” >docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
  • 102.
    ⚠ Common “Gotcha” >docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
  • 103.
    ⚠ Common “Gotcha” >docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
  • 104.
    ⚠ Common “Gotcha” >docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls
  • 105.
    ⚠ Common “Gotcha” >docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls > docker service update - - conf i g - rm phptek_mysite - - conf i g - add source=mysite.2,target=/etc/nginx/conf.d/default.conf phptek_nginx
  • 106.
    ⚠ Common “Gotcha” >docker conf i g create mysite.2 ./mysite2.conf > docker conf i g ls > docker service update - - conf i g - rm phptek_mysite - - conf i g - add source=mysite.2,target=/etc/nginx/conf.d/default.conf phptek_nginx
  • 108.
    > docker servicerollback phptek_nginx
  • 109.
    > docker servicerollback phptek_nginx
  • 110.
    Done with theproject for now? > docker stack rm phptek
  • 111.
    Done with theproject for now? > docker stack rm phptek
  • 112.
    Done with theproject for now? > docker stack rm phptek
  • 113.
    Done with theproject for now? > docker stack rm phptek
  • 114.
  • 115.
    POP QUIZ! A. Howdo you check the replication status of services?
  • 116.
    POP QUIZ! A. Howdo you check the replication status of services? B. How do you check for error messages on the stack?
  • 117.
    POP QUIZ! A. Howdo you check the replication status of services? B. How do you check for error messages on the stack? BONUS POINT
  • 118.
    POP QUIZ! A. Howdo you check the replication status of services? B. How do you check for error messages on the stack? BONUS POINT How do you avoid truncating the error message?
  • 119.
    POP QUIZ! A. Howdo you check the replication status of services? B. How do you check for error messages on the stack? > docker stack ps vm - - no - trunc BONUS POINT How do you avoid truncating the error message?
  • 120.
    Same project …multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
  • 121.
    Same project …multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
  • 122.
    Same project …multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
  • 123.
    Same project …multiple production targets? docker-compose.yml docker-compose-clientA.yml docker-compose-clientB.yml
  • 124.
  • 125.
    POP QUIZ! A. Howdo you fi lter a list of docker objects (services, containers, images, etc)
  • 126.
    SIDEB AR:The $( )magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this)
  • 127.
    SIDEB AR:The $( )magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this) > docker container ls - q - l
  • 128.
    SIDEB AR:The $( )magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this) > docker container ls - q - l
  • 129.
    SIDEB AR:The $( )magic with -q -l -f -q Quiet (ID only) -l Last Updated Only (1 result) -f Filter (you remember this) > docker container ls - q - l > docker container exec - it $(docker ps - lq - f name=phptek_nginx) bash
  • 130.
  • 131.
  • 132.
    .zshrc aliases forthe win … ¯_(ツ)_/¯ (Sorry, you’re on your own for Windows mounts)
  • 135.
    Need WordPress? FROM wordpress:6-php8.3-fpmAS wpbuilder # *** PHP-FPM image clean and viable for building others, preloaded with the wordpress base from wordpress directly *** # FROM fpm AS wordpressrelease COPY --from=wpbuilder /usr/src/wordpress /usr/src/wordpress COPY ./wp/db.php /usr/src/wordpress/wp-content/ COPY ./wp/db-con fi g.php /usr/src/wordpress/ CMD php-fpm # Copy in the blog base COPY —from=mynamespace/php:wordpress-8.3 /usr/src/wordpress/ /var/www/html/blog/ # Copy in the current source code COPY ./ /var/www/html
  • 137.