Add configuration for CoreDNS and update host variables for lab environment

terraform/modules/apps/nginx-reverse-proxy/resources/nginx/conf.d/default.conf.tpl

@@ -21,13 +21,21 @@ location = /auth {
 %{ endif }
 %{ for l in locations ~}
     location ${l.path} {
+%{ if l.resolver == "" ~}
+%{ if resolver != "" ~}
+        resolver ${resolver};
+%{ endif ~}
+%{ else ~}
+        resolver ${l.resolver};
+%{ endif ~}
 %{ if l.private ~}
-        auth_request /auth;
+        auth_request /auth<;
 %{ endif ~}
 %{ if l.rewrite != "" ~}
         rewrite ${l.rewrite};
 %{ endif ~}
-        proxy_pass %{ if l.upstream != "" ~}${l.upstream}%{ else ~}${upstream}%{ endif ~};
+        set $upstream "%{ if l.upstream != "" ~}${l.upstream}%{ else ~}${upstream}%{ endif ~}"; 
+        proxy_pass $upstream;
         proxy_http_version 1.1;
 %{ for k,v in l.headers ~}        
         proxy_set_header ${k} ${v};

terraform/modules/apps/nginx-reverse-proxy/resources/nginx/nginx.conf

@@ -3,7 +3,6 @@ worker_processes  auto;
 error_log  /var/log/nginx/error.log notice;
 pid        /tmp/nginx.pid;
 
-
 events {
     worker_connections  1024;
 }
@@ -32,5 +31,15 @@ http {
 
     keepalive_timeout  65;
 
+    server {
+        listen       8888;
+        server_name  _;
+        location /health {
+            access_log off;
+            return 200 "OK";
+        }
+    }
+
     include /etc/nginx/conf.d/*.conf;
-}
+}
+