[Docker HowtTo] How to create a Docker container #docker #howto

docker-01-containers.md

Docker Container

Command Cheat Sheet

Markdown	Less	Pretty
Intention	command	Comment
Delete an image	docker image rmi react:app	images can take a lot of space (e.g. 1GB for node)
1	2	3

Terminology

• Image described by a DockerFile that
• build an image from DockerFile $ docker ...
• Container is a Run an image with docker run

[ DockerFile ] --- build ---> ( Image ) --- run ---> [ Container ]

Learn Docker in 12 Minutes 🐳

https://www.youtube.com/watch?v=YFl2mCHdv24

Try building a simple Docker image

docker-02-howto.md

Docker Compose How-To

Creates a virtual network for all the containers

Compose

docker-compose.yaml

version: '3'

services:
  product-service:
    build: ./product
    volumes:
      - ./product:/usr/src/app
    ports:
      - 5001:80
      
  website:
    image: php:apache
    volumes:
      - ./website:/var/www/html
    ports:
      - 5000:80
    depends_on:
      - products: 
      

Compose and Run

$ docker-compose up

$ docker-compose up -deep

What Containers are running ?

$docker ps

docker compose

docker-03-dockerize-a-node-app.md

Links

• https://stackoverflow.com/questions/35774714/how-to-cache-the-run-npm-install-instruction-when-docker-build-a-dockerfile
• 2014 - probably not relevant in 2018 http://bitjudo.com/blog/2014/03/13/building-efficient-dockerfiles-node-dot-js/

docker-04-dockerize-a-react-app.md

Dockerize a Create React App in 2018

Moved https://gist.github.com/johnoscott/df26d4e106c3aa9cc53cf1a8fdf6b297