version: "3.8" services: postgres: image: postgres:15 container_name: postgres-dev environment: POSTGRES_DB: system POSTGRES_USER: postgres POSTGRES_PASSWORD: password ports: - "5432:5432" volumes: - postgres_data:/var/lib/postgresql/data restart: unless-stopped postgres-test: image: postgres:15 container_name: postgres-test environment: POSTGRES_DB: system_test POSTGRES_USER: postgres POSTGRES_PASSWORD: password ports: - "5433:5432" tmpfs: - /var/lib/postgresql/data restart: unless-stopped volumes: postgres_data: