docker-compose-prod.yml

version: '3.7'
services:
  frontend:
    image: jy95/sourcecode-front
    restart: always
    depends_on:
      - api
    ports:
      - "80:3000"
      - "443:3000"
    environment:
      API_SERVER: "http://api:3000"
      CDN_SERVER: "http://api:3000/files"
  api:
    image: jy95/sourcecode_api
    # To create the db the first time (as it is the raw postgres image) (also work when restart, thanks to volume)
    command: >
      sh -c "if ! npx sequelize db:migrate:status; then
                if [ ! -z $$DATABASE_SCHEMA ]; then
                  npm run createSchema
                fi
                npm run migrate
             fi
             npm run start"
    restart: always
    ports:
      - "8080:3000"
    depends_on:
      - db
    environment:
      NODE_ENV: production
      # To have understandable logs in docker logs
      DEBUG: sourcecode_api:error_handler
      DATABASE_URL: "postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-jy95}@db:5432/${POSTGRES_DB:-sourcecode}"
      DATABASE_SCHEMA: exercises_library
      # use a env file if you want to use other values that default ones
      # https://docs.docker.com/compose/environment-variables/#the-env_file-configuration-option
    volumes:
      # For the CDN part of this advanced prototype
      - ./sourcecode-api/files:/api/files
  db:
    image: postgres:12-alpine
    restart: always
    ports:
      - "5432:5432"
    environment:
      # use a env file for that part later
      # https://docs.docker.com/compose/environment-variables/#the-env_file-configuration-option
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: jy95
      POSTGRES_DB: sourcecode
      POSTGRES_PORT: 5432
    volumes:
      # the default value is "/var/lib/postgresql/data"
      # (https://github.com/docker-library/docs/blob/master/postgres/README.md#pgdata)
      # We must create the folder "/tmp/db_data" on the host with the required permisssions
      - ./sourcecode-db:/var/lib/postgresql/data