deploy: support localhost-only demo bind

compose/.env.demo.example

@@ -10,9 +10,11 @@ DB_PORT=5433
 # Backend
 JWT_SECRET=demo_jwt_secret_not_for_production
 BACKEND_PORT=3001
+BACKEND_BIND_HOST=0.0.0.0
 
 # Frontend
 FRONTEND_PORT=4322
+FRONTEND_BIND_HOST=0.0.0.0
 API_BASE=http://localhost:3001
 INTERNAL_API_BASE=http://backend:3000
 

compose/demo.vps.override.yml

@@ -2,11 +2,3 @@ services:
   postgres:
     ports:
       - "127.0.0.1:${DB_PORT:-5433}:5432"
-
-  backend:
-    ports:
-      - "127.0.0.1:${BACKEND_PORT:-3001}:3000"
-
-  frontend:
-    ports:
-      - "127.0.0.1:${FRONTEND_PORT:-4322}:4321"

compose/demo.yml

@@ -28,7 +28,7 @@ services:
     container_name: likwid-demo-backend
     restart: unless-stopped
     ports:
-      - "${BACKEND_PORT:-3001}:3000"
+      - "${BACKEND_BIND_HOST:-0.0.0.0}:${BACKEND_PORT:-3001}:3000"
     environment:
       DATABASE_URL: postgres://${POSTGRES_USER:-likwid_demo}:${POSTGRES_PASSWORD:-demo_secret_change_me}@postgres:5432/${POSTGRES_DB:-likwid_demo}
       JWT_SECRET: ${JWT_SECRET:-demo_jwt_secret_not_for_production}
@@ -49,7 +49,7 @@ services:
     container_name: likwid-demo-frontend
     restart: unless-stopped
     ports:
-      - "${FRONTEND_PORT:-4322}:4321"
+      - "${FRONTEND_BIND_HOST:-0.0.0.0}:${FRONTEND_PORT:-4322}:4321"
     environment:
       INTERNAL_API_BASE: http://backend:3000
       API_BASE: ${API_BASE:-http://localhost:3001}