Made proxy container with templated config

proxy/nginx.tmpl

@@ -0,0 +1,23 @@
+events {
+  worker_connections 1024;
+}
+
+http {
+
+  server {
+    listen {{ .Env.PORT }};
+
+    location / {
+      proxy_pass http://transmission:{{ .Env.TRANSMISSION_PORT }};
+      proxy_set_header Host $http_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;
+      
+      # HTTP 1.1 support
+      proxy_http_version 1.1;
+      proxy_set_header Connection "";
+    }
+  }
+
+}