nginx_proxy: Provide option to add configuration parameters to root level of generated nginx conf

nginx_proxy/DOCS.md

@@ -64,7 +64,7 @@ Value for the [`Strict-Transport-Security`][hsts] HTTP header to send. If empty,
 
 ### Option `customize.active` (required)
 
-If true, additional NGINX configuration files for the default server and additional servers are read from files in the `/share` directory specified by the `default` and `servers` variables.
+If true, additional NGINX configuration files for the default server and additional servers are read from files in the `/share` directory specified by the `default`, `servers`, and `root_blocks` variables.
 
 ### Option `customize.default` (required)
 
@@ -74,6 +74,10 @@ The filename of the NGINX configuration for the default server, found in the `/s
 
 The filename(s) of the NGINX configuration for the additional servers, found in the `/share` directory.
 
+### Option `customize.root_conf` (required)
+
+The filename of the NGINX configuration for additional parameters to place in the root level of the configuration file, found in the `/share` directory.
+
 ### Option `cloudflare` (optional)
 
 If enabled, configure Nginx with a list of IP addresses directly from Cloudflare that will be used for `set_real_ip_from` directive Nginx config.

nginx_proxy/config.yaml

@@ -24,6 +24,7 @@ options:
     active: false
     default: nginx_proxy_default*.conf
     servers: nginx_proxy/*.conf
+    root_conf: nginx_root_conf*.conf
   real_ip_from: []
 ports:
   443/tcp: 443

nginx_proxy/rootfs/etc/nginx/nginx.conf.gtpl

@@ -10,6 +10,10 @@ events {
     worker_connections 1024;
 }
 
+{{- if .options.customize.active }}
+include /share/{{ .options.customize.root_conf }};
+{{- end }}
+
 http {
     map_hash_bucket_size 128;