add reference ssl echo server using websockets and nginx reverse proxy to terminate ssl

test/compatibility/python/websockets/nginx.conf

@@ -0,0 +1,36 @@
+
+error_log stderr warn;
+
+daemon off;
+
+events {
+    worker_connections 32;
+}
+
+http {
+
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        '' close;
+    }
+
+    upstream websocket {
+        server localhost:8766;
+    }
+
+    server {
+        listen 8765 ssl;
+
+        ssl_certificate     trusted-client-crt.pem;
+        ssl_certificate_key trusted-client-key.pem;
+        ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;
+        ssl_ciphers         HIGH:!aNULL:!MD5;
+
+        location / {
+            proxy_pass http://websocket;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+        }
+    }
+}