# sample comes from https://github.com/docker/awesome-compose services: frontend: image: excalidraw:v0.1.0-86046ea ports: - 80:80 storage: image: excalidraw-storage-backend:v0.1.0-86046ea restart: always environment: # docs https://github.com/alswl/excalidraw-storage-backend#environement-variables - PORT=8081 ports: - 8081:8081 room: image: excalidraw-room:v0.1.0-86046ea ports: - 8082:80