adding node exporter, loki, and promtail

loki/rootfs/etc/nginx/nginx.conf

@@ -0,0 +1,52 @@
+# Run nginx in foreground.
+daemon off;
+
+# Set user
+user abc;
+
+# Pid storage location.
+pid /var/run/nginx.pid;
+
+# Set number of worker processes.
+worker_processes 1;
+
+# Enables the use of JIT for regular expressions to speed-up their processing.
+pcre_jit on;
+
+# Write error log to the add-on log.
+error_log /proc/1/fd/1 error;
+
+# Load dynamic modules.
+include /etc/nginx/modules/*.conf;
+
+# Max num of simultaneous connections by a worker process.
+events {
+    worker_connections 512;
+}
+
+http {
+    include /etc/nginx/includes/mime.types;
+
+    log_format homeassistant '[$time_local] $status '
+                             '$http_x_forwarded_for($remote_addr) '
+                             '$request ($http_user_agent)';
+
+    access_log              off;
+    client_max_body_size    4G;
+    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;
+    }
+
+    include /etc/nginx/includes/upstream.conf;
+
+    include /etc/nginx/servers/*.conf;
+}