docker-compose.yaml

version: "3.2"

services:
  #------------------------------------------------------------------------
  # Cloudstate proxy provides to the services implemented in "user-function"
  # - state management
  # - entrypoint for external access
  # Each proxy is paired to a "user-function" and both should be within a same network namespace
  #------------------------------------------------------------------------
  cloudstate-proxy-chatui:
    image: cloudstateio/cloudstate-proxy-dev-mode:0.5.1
    environment:
      USER_FUNCTION_PORT: 8080
    ports: ["9003:9000"] # map the container (Cloudstate proxy) port 9000 to port 9003 on the host


  #------------------------------------------------------------------------
  # The "user-function" are Cloudstate-aware services
  # which implement the business logic of the Chat application
  #------------------------------------------------------------------------
  chatui-userfunc:
    image: lightbend-docker-registry.bintray.io/cloudstate-samples/chat-ui:latest

    # use the same network stack than the container of the Cloudstate proxy
    # Similar to a deployment on Kubernetes where
    # the user container and its CS-Proxy sidecar are deployed in a same pod
    network_mode: service:cloudstate-proxy-chatui 

    environment:
      # enable additional logs
      DEBUG: cloudstate*