Refactor NGINX configuration of Home Assistant Add-on (#4312)

docker/ha-addon-rootfs/etc/nginx/nginx.conf

@@ -2,7 +2,6 @@ daemon off;
 user root;
 pid /var/run/nginx.pid;
 worker_processes 1;
-# Hass.io addon log
 error_log /proc/1/fd/1 error;
 events {
     worker_connections 1024;
@@ -10,24 +9,22 @@ events {
 
 http {
     include /etc/nginx/includes/mime.types;
-    access_log stdout;
-    default_type application/octet-stream;
-    gzip on;
-    keepalive_timeout 65;
-    sendfile on;
-    server_tokens off;
+
+    access_log              off;
+    default_type            application/octet-stream;
+    gzip                    on;
+    keepalive_timeout       65;
+    sendfile                on;
+    server_tokens           off;
+
+    tcp_nodelay             on;
+    tcp_nopush              on;
 
     map $http_upgrade $connection_upgrade {
         default upgrade;
         ''      close;
     }
 
-    # Use Hass.io supervisor as resolver
-    resolver 172.30.32.2;
-
-    upstream esphome {
-        server unix:/var/run/esphome.sock;
-    }
-
+    include /etc/nginx/includes/upstream.conf;
     include /etc/nginx/servers/*.conf;
 }