Building a micro-service using Node.js and Docker - Part #1
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Slides presented during Containers 101 online meetup. Full recording of the session is available at https://vimeo.com/133709066 Join future meetup live at : http://www.meetup.com/Containers-101-online-meetup/ Follow our blog posts at: blog.codefresh.io
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Building a micro-service using Node.js and Docker - Part #1
- 1. Containers #101 Building a micro-service using Node.js & Docker July 15 Recording available at: https://vimeo.com/133709066
- 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 a base Docker image ubuntu Node.js base image
- 6. What we will see today • Create a base Docker image • Build a simple micro-service ubuntu Node.js base image micro-service
- 7. What we will see today • Create a base Docker image • Build a simple micro-service • Run our micro-service inside a container ubuntu Node.js base image micro-service
- 8. What we will see today • Create a base Docker image • Build a simple micro-service • Run our micro-service inside a container • Create a Docker image from an existing container ubuntu Node.js base image micro-service micro-service image
- 9. What we will see today • Create a 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 image
- 10. 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
- 11. Create a base image • Check boot2docker version & status 11 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
- 12. Build a simple micro-service • Create a skeleton using express generator 12 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
- 13. Run inside a container • Get our local directory path 13 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
- 14. Create & run docker image • Create an image 14 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
- 15. Push to Docker hub • Login 15 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
- 16. 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 image
- 17. additional resources • Codefresh blog blog.codefresh.io • Containers #101 meetup http://www.meetup.com/Containers-101-online-meetup/ • Docker Online meetup (delivered by Docker) http://www.meetup.com/Docker-Online-Meetup/ @codefresh
- 18. Questions? raziel@codefresh.io www.codefresh.io @RazielTabib Sign up to our beta @ www.codefresh.io Recording available at: https://vimeo.com/133709066