add relay

docker-compose.yml

@@ -42,6 +42,7 @@ services:
     depends_on:
      - backend
      - frontend
+     - relay
     restart: always
 
   # The MongoDB database for the VILLASweb backend
@@ -60,12 +61,19 @@ services:
     command: node /etc/villas/node/demo.conf
     volumes:
       - ./etc/node:/etc/villas/node
+      - ./data:/data
     ports:
       - "8081:80"
       - "12000-12010:12000-12010/udp"
       - "12000-12010:12000-12010/tcp"
     restart: always
 
+  # A relay for websocket nodes
+  relay:
+    image: villas/node
+    restart: always
+    command: relay
+
   # Web Interface for MongoDB
   mongo-express:
     image: mongo-express

etc/nginx/villas.conf

@@ -61,6 +61,10 @@ server {
     proxy_pass http://node/api;
   }
 
+  location /ws/relay/ {
+    proxy_pass http://relay:8088/;
+  }
+
   location /ws/ {
     proxy_pass http://node/;
   }