docker-compose.yml

# tell docker what version of the docker-compose.yml were using
version: '3'

# define the network
networks:
  web-network:

# start the services section
services:
  # define the name of our service
  # corresponds to the "--name" parameter
  docker-nginx:
    # define the directory where the build should happened,
    # i.e. where the Dockerfile of the service is located
    # all paths are relative to the location of docker-compose.yml
    build:
      context: ./.docker/nginx
    # defines the port mapping
    # corresponds to the "-p" flag
    ports:
      - "80:80"
    # reserve a tty - otherwise the container shuts down immediately
    # corresponds to the "-i" flag
    tty: true
    # mount the app directory of the host to /var/www in the container
    # corresponds to the "-v" option
    volumes:
      - ./src:/var/www
      - ./.docker/nginx/conf.d:/etc/nginx/conf.d
    # connect to the network
    # corresponds to the "--network" option
    networks:
      - web-network

  docker-php-fpm:
    build:
      context: ./.docker/php-fpm
    tty: true
    volumes:
      - ./src:/var/www
    networks:
      - web-network

  docker-db:
      image: postgres:10.1
      restart: always
      environment:
          - POSTGRES_DB=${DB_NAME}
          - POSTGRES_USER=${DB_USER}
          - POSTGRES_PASSWORD=${DB_PASSWORD}
      ports:
          - 5432:5432
      volumes:
          - ./.docker/postgres/:/docker-entrypoint-initdb.d/
      networks:
          - web-network