docker compose psql

docker-compose.yml

version: "3.3"

services:
  db:
    container_name: db_container
    image: postgres:14-alpine3.16
    restart: unless-stopped
    volumes:
      - db_vol:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=${DB_USER:-postgres}
      - POSTGRES_PASSWORD=${DB_PASS:?error:DB_PASS not set}
      - POSTGRES_DB=${DB_NAME:-postgres}
    ports:
      - "5432:5432"


volumes:
  db_vol:
    driver: local