services:
  db:
    image: postgres:16-alpine
    container_name: go-link-shortener-db # name whatever you want
    environment:
      POSTGRES_USER: ${DB_USER:-urlapp} # define here or env. Default is urlapp
      POSTGRES_PASSWORD: ${DB_PASSWORD:?DEFINE_ME_IN_ENV} # define here or env. No default, you must set this.
      POSTGRES_DB: ${DB_NAME:-urlshortener} # define here or env. Default is urlshortener
      LANG: en_US.UTF-8
      LC_CTYPE: en_US.UTF-8
      LC_COLLATE: en_US.UTF-8
      PGTZ: 'America/New_York' # define timezone here. Default is America/New_York
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: [ "CMD", "pg_isready", "-U", "${DB_USER}", "-d", "${DB_NAME}", "-p", "5432" ]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 20s
    networks:
      - app-network

  app:
    deploy:
      resources:
        limits:
          memory: 512M # can remove or change, it sets the memory limit for the container
    image: jerrent/go-link-shortener:latest
    container_name: go-link-shortener # name whatever you want
    environment:
      DB_HOST: db
      DB_PORT: ${DB_PORT:-5432} # define here or env. Default is 5432
      DB_USER: ${DB_USER:-urlapp} # define here or env. Default is urlapp
      DB_PASSWORD: ${DB_PASSWORD:?DEFINE_ME_IN_ENV} # define here or env. No default, you must set this.
      DB_NAME: ${DB_NAME:-urlshortener} # define here or env. Default is urlshortener
      DB_SSLMODE: disable
      ROOT_USER_KEY: ${ROOT_USER_KEY:?DEFINE_ME_IN_ENV} # define here or env. No default, you must set this. You can use `openssl rand -base64 32` to generate one if you need to.
      LOG_LEVEL: ${LOG_LEVEL:-info} # define here or env. Default is info
      PUBLIC_SITE_URL: ${PUBLIC_SITE_URL:-http://localhost:8080} # define here or env. Default is http://localhost:8080
      ENABLE_DOCS: ${ENABLE_DOCS:-true} # define here or env. Default is true
      SERVER_PORT: ${SERVER_PORT:-8080} # define here or env. Default is 8080
    depends_on:
      db:
        condition: service_healthy
    networks:
      - app-network
    ports:
      - "${SERVER_PORT:-8080}:${SERVER_PORT:-8080}" # define here or env. Default is 8080
    restart: unless-stopped

networks:
  app-network:
    driver: bridge

volumes:
  postgres_data: