version: '3'

volumes:
  aact_pg_database: #This is to hold the database, making it easy to purge if needed.

networks:
  pharmaceutical_research: #because it helps to have a way to link specifically to this. 
    external: true

services:
  aact_db:
    image: postgres:14-alpine
    networks:
      - pharmaceutical_research
    container_name: aact_db
    #restart: always #restart after crashes
    environment:
      POSTGRES_USER: root
      POSTGRES_PASSWORD: root
      POSTGRES_DB: aact_db
    ports:
      - "5432:5432" #host:container
    volumes: #host:container is the format.
      # this is persistant storage for the database  
      - aact_pg_database:/var/lib/postgresql/
      # this is the database dump to restore from
      - ./aact_downloads/postgres_data.dmp:/mnt/host_data/postgres_data.dmp
      # this is the folder containing entrypoint info.
      - ./docker-entrypoint-initdb.d/:/docker-entrypoint-initdb.d/