postgres docker compose

postgres-docker.yml

version: '3.8'

services:
  db:
    image: postgres:17
    restart: always
    shm_size: 128mb
    container_name: postgres_db
    environment: 
      POSTGRES_USERNAME: user
      POSTGRES_PASSWORD: password 
    volumes:
      - db_data:/var/lib/postgresql/data
    ports:
      - "5432:5432" 

  adminer:
    image: adminer
    container_name: adminer
    ports:
      - "8080:8080" 

volumes:
  db_data:

networks:
  postgres_network: