docker-compose.yml

# I will use this file only in the proudction for deployment
# I might not use it whatsoever if I don't find a good place to host it lol

# To summaize: Create a DB (postgres image) service -> Create Migrations on the Database (if any, but yet an important step just in case the migration has changed or something) -> Pick the configurations from Dockerfile and run the server on the specified port

version: "3"
services:
  server:
    build:
      #make use of Dockerfile
      context: .
      args:
        NPM_LOG_LEVEL: notice
    ports:
      - "${PORT}:4000"
    environment:
      DATABASE_URL: "${DATABASE_URL}"
    depends_on:
      - migration

  migration:
    build:
      context: .
      args:
        NPM_LOG_LEVEL: notice
    command: npm run db:init
    working_dir: /app/server
    environment:
      DATABASE_URL: "${DATABASE_URL}"
    depends_on:
      db:
        condition: service_healthy

  #Same service as docker-compose.db.yaml - docker-compose.db.yml is for someone who doesn't want to use this docker-compose.yaml for building
  db:
    image: postgres:12
    environment:
      POSTGRES_USER: ${POSTGRESQL_USER}
      POSTGRES_PASSWORD: ${POSTGRESQL_PASSWORD}
      ports: ${POSTGRESQL_PORT}:5432
    volumes:
      - postgres:/var/lib/postgresql/data
    healthcheck:
      test:
        [
          "CMD",
          "pg_isready",
          "-q",
          "-d",
          "${POSTGRESQL_DB_NAME}",
          "-U",
          "${POSTGRESQL_USER}",
        ]
      timeout: 45s
      interval: 10s
      retries: 10
    
  cache:
    image: redis:alpine
    ports:
      - "${REDIS_PORT}:6379"
    command: ['--requirepass "secret"']

#for data to persist
volumes:
  postgres: ~