services/postgres/docker-compose.yml

version: "3.8"

volumes:
  postgres:
    name: ${POSTGRES_VOLUME_NAME:-postgres}

services:
  postgres:
    container_name: ${POSTGRES_CONTAINER_NAME:-postgres}
    image: ${POSTGRES_IMAGE:-postgres:13.3-alpine}
    restart: always
    environment:
      POSTGRES_USER: ${POSTGRES_USER:?err}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?err}
      POSTGRES_DB: ${POSTGRES_DB:?err}
    volumes:
      - postgres:/var/lib/postgresql/data
      - /etc/timezone:/etc/timezone:ro
      - /etc/localtime:/etc/localtime:ro