enable basic auth

abra.sh

@@ -1,4 +1,4 @@
 export PROMTAIL_YML_VERSION=v2
 export NODE_EXPORTER_ENTRYPOINT_VERSION=v1
-export NGINX_CONFIG_VERSION=v9
-export HTPASSWD_CONFIG_VERSION=v1
+export NGINX_CONFIG_VERSION=v11
+export HTPASSWD_CONFIG_VERSION=v2

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: nginx:1.20.0
+    image: nginx:1.20.0-alpine
     networks:
       - proxy
       - internal

nginx.conf.tmpl

@@ -1,4 +1,4 @@
-user www-data;
+#user www-data;
 
 events {
   worker_connections 768;
@@ -13,14 +13,20 @@ http {
     resolver 127.0.0.11;
 
     location ~ ^/node_exporter(.*)$ {
+        auth_basic "admin";
+        auth_basic_user_file /etc/nginx/conf.d/.htpasswd;
         proxy_pass http://{{ env "STACK_NAME" }}_node_exporter:9100$1;
     }
 
     location ~ ^/cadvisor(.*)$ {
+        auth_basic "admin";
+        auth_basic_user_file /etc/nginx/conf.d/.htpasswd;
         proxy_pass http://{{ env "STACK_NAME" }}_cadvisor:8080$1;
     }
 
     location ~ ^/promtail(.*)$ {
+        auth_basic "admin";
+        auth_basic_user_file /etc/nginx/conf.d/.htpasswd;
         proxy_pass http://{{ env "STACK_NAME" }}_promtail:9080$1;
     }
   }