working ha

nginx.conf

@@ -0,0 +1,48 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    upstream phoenix_backend {
+        least_conn;
+        server phoenix1:4000 max_fails=3 fail_timeout=30s;
+        server phoenix2:4000 max_fails=3 fail_timeout=30s;
+        server phoenix3:4000 max_fails=3 fail_timeout=30s;
+    }
+
+    # Map to track which backend server a WebSocket connection should use
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        '' close;
+    }
+
+    server {
+        listen 4000;
+        server_name localhost;
+
+        # WebSocket configuration
+        location /socket {
+            proxy_pass http://phoenix_backend;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            
+            # WebSocket timeout settings
+            proxy_read_timeout 86400;
+            proxy_send_timeout 86400;
+        }
+
+        # HTTP fallback for health checks
+        location / {
+            proxy_pass http://phoenix_backend;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+    }
+}