The document discusses the use of Docker, including the setup and management of containers using Docker Compose and Docker Machine. It provides details on container configurations, environments, and the relationships between different services like databases and applications. The document also includes examples of Docker commands and YML configurations for deploying various services.

1. 1
PHPConf Taiwan 2015

2. 2
2015-11-01-a p45 VALUME -> VOLUME @date

3. 3

4. 4

5. 5

6. 6

7. 7
machine
compose

8. 8

9. 9

10. 10
鯨⿂搬運的貨櫃
在你還在打包的時候
貨櫃早就部署好了
你有想過這個嗎？
沒有
因為你只會想到你⾃⼰。

11. Foundation
11
Host OS
Hypervisor
Guest OS
…

12. Foundation
12
Linux Kernel
Linux Distribution FS
…

13. Foundation
13
Linux Kernel
Linux Distribution FS
…
Base Image FS
….

14. Foundation
14
Linux Kernel
Your Environments
Container
Linux Distribution FS Base Image FS
….

15. Foundation
15
Linux Kernel
Linux Distribution FS
Your Environments
Base Image FS
Images
Container
Process Process

16. Image
16
Linux Kernel
Base Image
Image Layer A
Image Layer B

17. Image
17
Linux Kernel
Base Image
Image Layer A
Image
Layer B
Image Layer
Image
Layer C
Image
Layer
Image
Layer

18. Image
18
Linux Kernel
Ubuntu
PHP 5.5
Apache
PHP 7
Nginx Apache Nginx

19. Image
19
Linux Kernel
Ubuntu
PHP 5.5
Apache
PHP 7
Nginx Apache Nginx
CentOS

20. Container
20
Images
Container

21. Container
Container
21
Images
Process Executing
Running

22. Container
Container
22
Images
Exited (Stop)

23. Container
23
Images
Changed FS
Process Executing
Host FS
Running

24. Container
Container
24
Images
Changed FS
Host FS
Exited (Stop)

25. Container
A
Container Links
25
Container
B
Container
C

26. App
Container Links
26
SQL DB Redis

27. Links Contributes
27

28. Container Volumes
3f8566045a0994e.....
Host /var/www/html
……
……
Container A
(3f8566045a....)
Volume

29. Container Volumes
Host /var/www/html
……
……
Volume
/var/www/html
……
Container B
Volume
From
3f8566045a0994e.....
Container A
(3f8566045a....)

30. Container Volumes
Host
……
3f8566045a0994e.....

31. Container Volumes
Custom Directory
Host /var/www/html
……
……
Container A
Volume

32. Volume Contributes
32

33. 33

34. 34

35. 35

36. 36

37. 37

38. 38

40. 40

41. FROM php:7-apache
MAINTAINER<Ruoshi Ling <foo@bar.tw>
RUN apt-get update
ADD ./script.php /app/
ENTRYPOINT php
CMD ["app/script.php"]
41

42. Skills (1)
42
RUN apt-get update
&& apt-get install -y
wget
curl
php5
&& echo "Installed basic packages"

43. Skills (2)
43
ENV APP_VERSION=1.2.3
DB_USER="foo"
DB_PASSWORD="bar"
DB_DATABASE="app"
DB_HOST="127.0.0.1"
ENV=production

44. Skills (3)
44
ENV SETUP_DIR="/var/cache/app"
COPY assets/setup/ ${SETUP_DIR}/
RUN bash ${SETUP_DIR}/install.sh

45. Skills (4)
45
COPY entrypoint.sh /sbin/entrypoint.sh
RUN chmod 755 /sbin/entrypoint.sh
ENTRYPOINT ["/sbin/entrypoint.sh"]
CMD ["app:start"]

46. Skills (5)
46
#!/bin/bash
ln -sf /data/db /var/lib/mysql
ln -sf /data/uploads /app/uploads
......
VOLUME ["/data"]
ENTRYPOINT ["/sbin/entrypoint.sh"]

47. Contributes
47

48. 48
compose
swarm
machine

49. 49
docker machine

50. 50
$ docker-machine create
--driver virtualbox default
Creating VirtualBox VM...
Creating SSH key...
Starting VirtualBox VM...
Starting VM...
To see how to connect Docker to this machine,
run: docker-machine env default

51. 51
$ docker-machine env default
export DOCKER_TLS_VERIFY="1"
export DOCKER_HOST="tcp://192.168.99.100:2376"
export DOCKER_CERT_PATH="/Users/fntsr/.docker/
machine/machines/default"
export DOCKER_MACHINE_NAME="default"
# Run this command to configure your shell:
# eval "$(docker-machine env default)"
$ eval "$(docker-machine env default)"

52. 52
$ docker version
Client:
Version: 1.8.2
....
Server:
Version: 1.8.2
API version: 1.20
Go version: go1.4.2
Git commit: 0a8c2e3
Built: Thu Sep 10 19:10:10 UTC 2015
OS/Arch: linux/amd64

53. 53
$ docker-machine create --driver ....
Generic
Create machines using
an existing VM/Host with SSH.

54. 54

55. 55
docker compose

56. 56
自從會用 Docker
Compose 後，我
就不再下指令了呢。
認同請分享
身體健康、萬事如意、南無阿彌陀佛
有緣認識你真好

57. 57
# Comment
<service_name>:
attribute: <value>
attribute:
- item1
- item2

58. 58
# docker-compose.yml
web:
image: php:7-fpm
ports:
- "5566:80"
volumes:
- .:/app

59. 59
# create container(s)
$ docker-compose up -d
# start container(s)
$ docker-compose start
# stop container(s)
$ docker-compose stop
# remove container(s)
$ docker-compose rm

60. 60
# docker-compose.yml
web:
build: ./
links:
- mysql
ports:
- "9527:80"
mysql:
image: mysql:5.7
environment:
- MYSQL_ROOT_PASSWORD=password
- MYSQL_DATABASE=wordpress

61. 61
# development.yml
web:
extends:
file: docker-compose.yml
service: web
environment:
- ENV=development
- DB=sqlite3

62. Skills (1)
62
# docker-compose.yml
web:
....
environment:
- DB_USER=elephant
- DB_PASSWORD=ilovePHPfOEvEr
- DB_DATABASE=elephant

63. Skills (2)
63
# docker-compose.yml
web:
volumes:
- ./app:/app
db:
volumes:
- ./db:/var/lib/mysql

64. Skills (3)
64
# docker-compose.yml
web:
extends:
file: common.yml
service: web
environment:
- ENV=testing
- DB=mysqli
db:
......

65. Skills (4)
65
# docker-compose.yml
web:
....
restart: always

66. `docker run`
66

67. 67

68. 68

69. 69
web:
image: wordpress
links:
- db
environment:
- WORDPRESS_DB_PASSWORD=password
ports:
- "9527:80"
db:
image: mysql:5.7
environment:
- MYSQL_ROOT_PASSWORD=password
- MYSQL_DATABASE=wordpress

70. 70

71. 71
php5:
extends:
file: app.yml
service: web
image: php:5-fpm
ports:
- "11024:80"
php7:
extends:
file: app.yml
service: web
image: php:7-fpm
ports:
- "11025:80"

72. 72

73. 73