docker-compose.yml

version: '3'

services:
  app:
    build: .
    user: root
    image: opillinois-api-app
    depends_on:
      - postgres
    links:
      - postgres
    volumes:
      - .:/usr/src/oneplace-illinois-api
      - /usr/src/oneplace-illinois-api/node_modules
    ports:
      #- '80:80'
      - '3000:3000' # for alternative local dev
    networks:
      - default
    env_file:
      - .env.docker # postgres env data & app's PORT
    environment:
      # https://docs.docker.com/docker-for-mac/networking/#use-cases-and-workarounds
      # POSTGRES_HOST -- host.docker.internal (Docker figures out host for us) and avoid using 127.0.0.1 (localhost)
      # POSTGRES_HOST: host.docker.internal
      #POSTGRES_HOST: 172.17.0.1 # host.docker.internal doesn't work on older Docker or just doesn't work.
      POSTGRES_HOST: postgres
    # Run multiple commands
    # *** use 'sh' since alpine doesn't support 'bash' ***
    # 'npm i papaparse' because node throws error 'papaparse uninstalled' (even after npm ci). Idk why...
    command: sh -c "
        npm i papaparse
        && npm run parse-cis
        && npm start
      "

  postgres:
    image: postgres:13.3-alpine
    restart: unless-stopped
    volumes:
      - db-data:/var/lib/postgresql/data # persistent data
    ports:
      # change to "5435:5432" if the server's port 5435 is already being used (by another docker or local Postgres)
      # then, make sure Sequelize connects to Postgres on port: 5435 (inside docker, Postgres runs on 5432)
      # ** change at config/config.js -> postgres.sequelize_port: 5432 **
      - "5432:5432"
    networks:
      - default
    env_file:
      - .env.docker # set up postgres (see .env.docker.example)

volumes:
  db-data: