Docker example

daemon.json

# /etc/docker/daemon.json
{
  "data-root": "/home/docker/docker_cache",
  "insecure-registries":["192.168.59.10:5500"]
}

Docker setup notes

## Steps to install docker on brand new machine

1. Install docker and docker-compose
* `apt-get install docker docker-compose`
* `yum install docker docker-compose`
2. Add certain user to docker group, `usermod -aG docker $USER`
3. Direct docker to save cache to a specific location, modify `daemon.json` following the `daemon.json` notes. 
4. If SElinux is enabled, issue this command to allow docker to access sepecified location `chcon -R -t svirt_sandbox_file_t /SOURCEDIR`

docker-compose.yml

version: "3"
services:

  proxy:
    build: ./proxy
    networks:
      - frontend
  db:
    image: postgres
    networks:
      - backend
  web:
    build: .
    command: python3 manage.py runserver 0.0.0.0:8000
    volumes:
      - .:/code
    ports:
      - "8000:8000"
    depends_on:
      - db
    networks:
      - frontend
      - backend

networks:
  frontend:
    # Use a custom driver
    driver: custom-driver-1
  backend:
    # Use a custom driver which takes special options
    driver: custom-driver-2
    driver_opts:
      foo: "1"
      bar: "2"

Dockerfile

 FROM python:3
 ENV PYTHONUNBUFFERED 1
 RUN mkdir /code
 WORKDIR /code
 ADD requirements.txt /code/
 RUN pip install -r requirements.txt
 ADD . /code/