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Containers #101
Building a micro-service using
Node.js & Docker
July 15
About the meetup
• A series of 30 min webinars + 10 min Q&A
• Hands On
• Session are recorded
• Suggested topics and presenters are
welcome
About me
• Developer, entrepreneur and technology
enthusiast
• Live in the Silicon Valley since 2008
• Founder and CEO of Codefresh
• Member of the Node.js foundation
@RazielTabib
About codefresh
• A Docker platform for development teams.
• Build, Run & Test Docker containers
• Launch any PR, Commit or Branch in
seconds
@codefresh
What we will see today
• Create base Docker image
• Build a simple micro-service
• Run our micro-service inside a container
• Create a Docker image from an existing container
• Publish our image in Docker hub
ubuntu
Node.js
base image
micro-service
micro-service
micro-service image
Terminology
Docker Images
Blueprints of our application
Docker Container
Created from docker images and are real instances of our application
Docker Daemon
Building, running and distributing Docker containers
Docker Client
Run on our local machine and connect to the daemon
Docker Hub
A registry of docker images
https://www.airpair.com/node.js/posts/getting-started-with-docker-for-the-nodejs-dev
Terminology
Docker Images
Blueprints of our application
Docker Container
Created from docker images and are real instances of our application
Docker Daemon
Building, running and distributing Docker containers
Docker Client
Run on our local machine and connect to the daemon
Docker Hub
A registry of docker images
http://thenewstack.io/understanding-the-docker-cache-for-faster-builds/
Create a base image
• Check boot2docker version & status
8
Raziels-Air:~ RazielMac$ boot2docker version
• search, pull & run ubuntu image
Raziels-Air:~ RazielMac$ boot2docker status
Raziels-Air:~ RazielMac$ docker search ubuntu
Raziels-Air:~ RazielMac$ docker run -it ubuntu ./bin/bash
• Install node
Raziels-Air:~ apt-get update
Raziels-Air:~ apt-get install nodejs
Raziels-Air:~ apt-get install nodejs-legacy
ubuntu
Node.js
base image
Raziels-Air:~ apt-get install npm
• Create a Docker image
Raziels-Air:~ docker commit –a “razielt” CONTAINER-ID IMAGE-NAME:tag
Build a simple micro-service
• Create a skeleton using express generator
9
Raziels-Air:~ RazielMac$ npm install –g express-generator
• Add an api.js with simple get function
Raziels-Air:~ RazielMac$ express microservice
• Run micro-service locally
Raziels-Air:~ npm install
Raziels-Air:~ npm start
/* GET greeting. */
router.get('/sayhello', function(req, res) {
res.send('Hello meetup members');
});
micro-service
Run inside a container
• Get our local directory path
10
Raziels-Air:~ pwd
• Run a container with volume mounting and port mapping
• Copy micro-service to container
Raziels-Air:~ cp –r host /microservice
Raziels-Air:~ cd microservice
ubuntu
Node.js
micro-service
base image
Raziels-Air:~ RazielMac$ docker run –it –v HOSTFOLDER:CONTAINERFOLDER –p HOSTPORT:CONTAINERPORT
IMAGENAME:TAG
Raziels-Air:~ npm start
Create & run docker image
• Create an image
11
Raziels-Air:~ docker commit CONTAINERID, IMAGENAME:TAG
• Run micro-service in the background
ubuntu
Node.js
micro-service
base image
Raziels-Air:~ RazielMac$ docker run –d –w /microservice –p 9000:3000 IMAGENAME npm start
micro-service image
Push to Docker hub
• Login
12
Raziels-Air:~ docker login
• Push out image
ubuntu
Node.js
micro-service
base image
Raziels-Air:~ RazielMac$ docker tag nodejs-microservice your_dockerhub_user/nodejs-microservice
micro-service image
Raziels-Air:~ RazielMac$ docker push your_dockerhub_user/nodejs-microservice
What we did today
• Create base Docker image
• Build a simple micro-service
• Run our micro-service inside a container
• Create a Docker image from an existing container
• Publish our image in Docker hub
ubuntu
Node.js
base image
micro-service
micro-service
micro-service image
additional resources
• Codefresh blog blog.codefresh.io
• New name* Containers #101
http://www.meetup.com/Containers-101-online-meetup/
• ContainerNode
http://www.meetup.com/ConatinerNode
• Docker Online meetup (delivered by Docker)
http://www.meetup.com/Docker-Online-Meetup/
@codefresh
Questions?
raziel@codefresh.io
www.codefresh.io
@RazielTabib
Sign up to our beta @ www.codefresh.io

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Containers #101 Meetup: Building a micro-service using Node.js and Docker - Part #1

  • 1. Containers #101 Building a micro-service using Node.js & Docker July 15
  • 2. About the meetup • A series of 30 min webinars + 10 min Q&A • Hands On • Session are recorded • Suggested topics and presenters are welcome
  • 3. About me • Developer, entrepreneur and technology enthusiast • Live in the Silicon Valley since 2008 • Founder and CEO of Codefresh • Member of the Node.js foundation @RazielTabib
  • 4. About codefresh • A Docker platform for development teams. • Build, Run & Test Docker containers • Launch any PR, Commit or Branch in seconds @codefresh
  • 5. What we will see today • Create base Docker image • Build a simple micro-service • Run our micro-service inside a container • Create a Docker image from an existing container • Publish our image in Docker hub ubuntu Node.js base image micro-service micro-service micro-service image
  • 6. Terminology Docker Images Blueprints of our application Docker Container Created from docker images and are real instances of our application Docker Daemon Building, running and distributing Docker containers Docker Client Run on our local machine and connect to the daemon Docker Hub A registry of docker images https://www.airpair.com/node.js/posts/getting-started-with-docker-for-the-nodejs-dev
  • 7. Terminology Docker Images Blueprints of our application Docker Container Created from docker images and are real instances of our application Docker Daemon Building, running and distributing Docker containers Docker Client Run on our local machine and connect to the daemon Docker Hub A registry of docker images http://thenewstack.io/understanding-the-docker-cache-for-faster-builds/
  • 8. Create a base image • Check boot2docker version & status 8 Raziels-Air:~ RazielMac$ boot2docker version • search, pull & run ubuntu image Raziels-Air:~ RazielMac$ boot2docker status Raziels-Air:~ RazielMac$ docker search ubuntu Raziels-Air:~ RazielMac$ docker run -it ubuntu ./bin/bash • Install node Raziels-Air:~ apt-get update Raziels-Air:~ apt-get install nodejs Raziels-Air:~ apt-get install nodejs-legacy ubuntu Node.js base image Raziels-Air:~ apt-get install npm • Create a Docker image Raziels-Air:~ docker commit –a “razielt” CONTAINER-ID IMAGE-NAME:tag
  • 9. Build a simple micro-service • Create a skeleton using express generator 9 Raziels-Air:~ RazielMac$ npm install –g express-generator • Add an api.js with simple get function Raziels-Air:~ RazielMac$ express microservice • Run micro-service locally Raziels-Air:~ npm install Raziels-Air:~ npm start /* GET greeting. */ router.get('/sayhello', function(req, res) { res.send('Hello meetup members'); }); micro-service
  • 10. Run inside a container • Get our local directory path 10 Raziels-Air:~ pwd • Run a container with volume mounting and port mapping • Copy micro-service to container Raziels-Air:~ cp –r host /microservice Raziels-Air:~ cd microservice ubuntu Node.js micro-service base image Raziels-Air:~ RazielMac$ docker run –it –v HOSTFOLDER:CONTAINERFOLDER –p HOSTPORT:CONTAINERPORT IMAGENAME:TAG Raziels-Air:~ npm start
  • 11. Create & run docker image • Create an image 11 Raziels-Air:~ docker commit CONTAINERID, IMAGENAME:TAG • Run micro-service in the background ubuntu Node.js micro-service base image Raziels-Air:~ RazielMac$ docker run –d –w /microservice –p 9000:3000 IMAGENAME npm start micro-service image
  • 12. Push to Docker hub • Login 12 Raziels-Air:~ docker login • Push out image ubuntu Node.js micro-service base image Raziels-Air:~ RazielMac$ docker tag nodejs-microservice your_dockerhub_user/nodejs-microservice micro-service image Raziels-Air:~ RazielMac$ docker push your_dockerhub_user/nodejs-microservice
  • 13. What we did today • Create base Docker image • Build a simple micro-service • Run our micro-service inside a container • Create a Docker image from an existing container • Publish our image in Docker hub ubuntu Node.js base image micro-service micro-service micro-service image
  • 14. additional resources • Codefresh blog blog.codefresh.io • New name* Containers #101 http://www.meetup.com/Containers-101-online-meetup/ • ContainerNode http://www.meetup.com/ConatinerNode • Docker Online meetup (delivered by Docker) http://www.meetup.com/Docker-Online-Meetup/ @codefresh