secrets:
    postgres_password:
        environment: POSTGRES_PASSWORD
    postgres_user:
        environment: POSTGRES_USER
services:
    postgres:
        image: postgres:18
        container_name: postgres
        user: "1002"
        restart: always
        shm_size: 1024mb
        environment:
            POSTGRES_USER_FILE: /run/secrets/postgres_user
            POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
        secrets: ['postgres_password', 'postgres_user']
        ports: ['5432:5432']
        volumes: ['./data:/var/lib/postgresql']