Linux/Docker/Docker-Compose

Basics

• https://docs.docker.com/compose/compose-file/
• Frequently used commands:

docker-compose build
docker-compose up
docker-compose up -d
docker-compose stop

Ubuntu testing

• build from Dockerfile
• keep running without task
• connect to bridge network "lan"

version: '3'
services:
  test123:
    build: .
    stdin_open: true

networks:
  default:
    external:
      name: lan

Volumes

version: '3'

services:
  web:
    build: .
    volumes:
      - /hostfilesystem:/containerfilesystem

Ports

• hostport: 8080
• containerport: 80

version: "3"

services:
  wordpress:
    image: wordpress
    ports:
      - "8080:80"

OpenVPN

• "cap_add" = add capabilities (here for changing network settings)

version: '3'

services:
  openvpn:
    build: .
    ports:
      - 1194:1194
    cap_add:
     - NET_ADMIN