version: '3' services: backend: image: 4gray/iptvnator-backend:latest ports: - "7333:3000" environment: - CLIENT_URL=http://localhost:4333 frontend: image: 4gray/iptvnator:latest ports: - "4333:80" #this one should match with the port in CLIENT_URL env environment: - BACKEND_PORT=7333 # this one should match with the exposed port of the backend service