Add an nginx proxy service with consul template with the objective of
consolidating all the voltha web UIs on a single port on the host.
This update includes the first UI, portainer. Additional UIs will be
added in subsequent updates. The configuration files are currently
mounted into the container. This is temporary to simplify the
development and addition of other UIs to the proxy configuration. Once
all UIs have been added, the configuration will be copied into the
container.

Change-Id: I218c486b56a627995981489602ab44ae0edf0930
diff --git a/nginx_config/fastcgi.conf.default b/nginx_config/fastcgi.conf.default
new file mode 100644
index 0000000..091738c
--- /dev/null
+++ b/nginx_config/fastcgi.conf.default
@@ -0,0 +1,26 @@
+
+fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
+fastcgi_param  QUERY_STRING       $query_string;
+fastcgi_param  REQUEST_METHOD     $request_method;
+fastcgi_param  CONTENT_TYPE       $content_type;
+fastcgi_param  CONTENT_LENGTH     $content_length;
+
+fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
+fastcgi_param  REQUEST_URI        $request_uri;
+fastcgi_param  DOCUMENT_URI       $document_uri;
+fastcgi_param  DOCUMENT_ROOT      $document_root;
+fastcgi_param  SERVER_PROTOCOL    $server_protocol;
+fastcgi_param  REQUEST_SCHEME     $scheme;
+fastcgi_param  HTTPS              $https if_not_empty;
+
+fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
+fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;
+
+fastcgi_param  REMOTE_ADDR        $remote_addr;
+fastcgi_param  REMOTE_PORT        $remote_port;
+fastcgi_param  SERVER_ADDR        $server_addr;
+fastcgi_param  SERVER_PORT        $server_port;
+fastcgi_param  SERVER_NAME        $server_name;
+
+# PHP only, required if PHP was built with --enable-force-cgi-redirect
+fastcgi_param  REDIRECT_STATUS    200;