services:
  gs_postgres:
    image: postgres:14-alpine
    container_name: gs_postgres
    shm_size: '4gb'
    environment:
      POSTGRES_USER: ${DATABASE_USERNAME}
      POSTGRES_PASSWORD: ${DATABASE_PASSWORD}
      POSTGRES_DB: ${DATABASE_NAME}
      TZ: Europe/Paris
    healthcheck:
      test: 'PGPASSWORD="${DATABASE_PASSWORD}" psql --host ${DATABASE_HOST} --username ${DATABASE_USERNAME} --dbname ${DATABASE_NAME} -c "select 1" ; [ "0" -eq "$$?" ]; echo $$?'
      interval: 30s
      timeout: 10s
      retries: 3
    volumes:
      - gs_postgres-master:/var/lib/postgresql/data:z
      - ./.db/init:/docker-entrypoint-initdb.d
    ports:
      - ${DATABASE_PORT}:5432 # DB