version: "3.4"
services:
    postgres:
        container_name: postgres
        image: postgres:${POSTGRES_VERSION:-latest}
        restart: unless-stopped
        ports:
            - ${POSTGRES_HOST_IP_ADDRESS:-127.0.0.1}:${POSTGRES_HOST_PORT:-5432}:5432
        volumes:
            - pgdata:/var/lib/postgresql/data
        environment:
            POSTGRES_USER: ${POSTGRES_ADMIN_USER:-sysadmin}
            POSTGRES_PASSWORD: ${POSTGRES_ADMIN_PASSWORD:-password}

volumes:
    pgdata: