refactor(NGINX): update letsencrypt integration

- actually create letsencrypt challenge directory
- point default server-blocks to proper LE directory
- fix access and error logging for LE requests
- update server-block configuration comment headers

build/sites/05-nonsecured.conf

@@ -1,24 +1,26 @@
-### UNsecured test page
+#
+# Default server block with LetsEncrypt support
+#
 
 server {
     listen 80;
     server_name default_server;
 
     location / {
-        try_files $uri $uri/ =404;        
+        try_files $uri $uri/ =404;
     }
 
     # process Let's Encrypt challenges
     location ^~ /.well-known/acme-challenge {
         # log requests for security reasons
-        access_log /var/log/nginx/LetsEncrypt_access.log main;
-        error_log /var/log/nginx/LetsEncrypt_error.log warn;
+        access_log /var/log/nginx/access.log main;
+        error_log /var/log/nginx/error.log warn;
 
         default_type text/plain;
-        root /LEChallenge;
+        root /usr/share/nginx/letsencrypt;
         autoindex on;
     }
 
     # error pages
     include /etc/nginx/errorpages.conf;
-}
+}

build/sites/05-secured.conf.disabled

@@ -1,4 +1,6 @@
-### UNsecured test page
+#
+# Default SECURED server block with LetsEncrypt support
+#
 
 server {
     listen 80;
@@ -8,15 +10,15 @@ server {
     location / {
         return 301 https://$host:<HTTPS_PORT>$request_uri;
     }
-    
+
     # process Let's Encrypt challenges
     location ^~ /.well-known/acme-challenge {
         # log requests for security reasons
-        access_log /var/log/nginx/LetsEncrypt_access.log main;
-        error_log /var/log/nginx/LetsEncrypt_error.log warn;
+        access_log /var/log/nginx/access.log main;
+        error_log /var/log/nginx/error.log warn;
 
         default_type text/plain;
-        root /LEChallenge;
+        root /usr/share/nginx/letsencrypt;
         autoindex on;
     }
 
@@ -32,9 +34,9 @@ server {
     include /etc/nginx/ssl_certs.conf;
 
     location / {
-        try_files $uri $uri/ =404;        
+        try_files $uri $uri/ =404;
     }
 
     # error pages
     include /etc/nginx/errorpages.conf;
-}
+}