docker.yaml

version: '3'
services:
        testdb_postgres:
                image: postgres:12
                restart: always
                ports:
                        - 5432:5432
                environment:
                        POSTGRES_USER: user
                        POSTGRES_PASSWORD: password
                        POSTGRES_DB: test_data
                container_name: testdb_postgres
                volumes:
                        - /tmp:/tmp