docker-projects/postgres/compose.yml

name: postgres15

services:
  psql15:
    container_name: postgres15
    image: postgres:15
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: example
    volumes:
      - ./data:/var/lib/postgresql/data
      - ./dev/docker_psql_init:/docker-entrypoint-initdb.d
    ports:
      - 5432:5432
    networks:
      - proxy

networks:
  proxy:
    external: true