version: '3.8' services: app: build: context: .. dockerfile: .devcontainer/Dockerfile volumes: - ../..:/workspaces:cached # Overrides default command so things don't shut down after the process ends. command: sleep infinity # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function. network_mode: service:db # Use "forwardPorts" in **devcontainer.json** to forward an app port locally. # (Adding the "ports" property to this file will not forward from a Codespace.) db: image: postgres:latest restart: unless-stopped volumes: - postgres-data:/var/lib/postgresql/data environment: POSTGRES_USER: postgres POSTGRES_DB: postgres POSTGRES_PASSWORD: postgres # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally. # (Adding the "ports" property to this file will not forward from a Codespace.) volumes: postgres-data: