updated gliders config to use maintenance page if .maintenance file is found

gliders.nginx.conf

@@ -34,11 +34,20 @@ server {
     rewrite ^/app\.php/?(.*)$ /$1 permanent;
 
     location / {
-        limit_req zone=gliders burst=5;
-        index app.php;
+    	limit_req zone=gliders burst=5;
+        set $index_file app.php;
+     	if (-f $document_root/.maintenance) {
+            return 503;
+        }
+        index $index_file;
         try_files $uri @rewriteapp;
     }
 
+    error_page 503 @maintenance;
+    location @maintenance {
+        rewrite ^(.*)$ /maintenance.html break;
+    }
+
     location ~ ^/(images|fonts|css|js) {
         access_log off;
         error_log off;
@@ -99,70 +108,17 @@ server {
 
     location / {
         limit_req zone=gliders burst=5;
-        index app_dev.php;
+        set $index_file app.php;
+     	if (-f $document_root/.maintenance) {
+            return 503;
+        }
+        index $index_file;
         try_files $uri @rewriteapp;
     }
 
-    location ~ ^/(images|fonts|css|js) {
-        access_log off;
-        error_log off;
-        try_files $uri =404;
-        expires 1y;
-        add_header Cache-Control "public";
-    }
-
-    location ~ ^/images/vehicles/(?<vehicle_type>[a-zA-Z0-9]+)_(?<vehicle_name>[a-zA-Z0-9]+)\.(png|jpg)$ {
-        access_log off;
-        error_log off;
-        try_files $uri images/vehicles/$vehicle_type.png =404;
-    }
-
-    location /static/logs {
-        alias /var/gliders/logs;
-    }
-
-    location /var/gliders/logs {
-        alias /var/gliders/logs;
-    }
-
-    location /static {
-        alias /var/gliders/static;
-    }
-
-    location @rewriteapp {
-        rewrite ^(.*)$ /app_dev.php/$1 last;
-    }
-
-    # pass the PHP scripts to FastCGI server from upstream phpfcgi
-    location ~ ^/(app|app_dev|config)\.php(/|$) {
-        fastcgi_pass phpfcgi;
-        include fastcgi_params;
-        fastcgi_split_path_info ^(.+\.php)(/.*)$;
-        fastcgi_param  SCRIPT_FILENAME $symfony_root_dev/web$fastcgi_script_name;
-        fastcgi_param  HTTPS off;
-    }
-}
-
-server {
-    listen 8000;
-
-    root $symfony_root_dev/web;
-
-    error_log /var/log/nginx/dev.gliders.error.log;
-    access_log /var/log/nginx/dev.gliders.access.log;
-
-    # Enable compression. Very helpful when we're getting stuff like
-    # large amounts of vehicle tracks in JSON form!
-    gzip on;
-    gzip_types text/plain application/xml text/html text/css application/json application/x-javascript text/xml text/javascript;
-
-    # strip app.php/ prefix if it is present
-    rewrite ^/app_dev\.php/?(.*)$ /$1 permanent;
-
-    location / {
-    	limit_req zone=gliders burst=5;
-        index app_dev.php;
-        try_files $uri @rewriteapp;
+    error_page 503 @maintenance;
+    location @maintenance {
+        rewrite ^(.*)$ /maintenance.html break;
     }
 
     location ~ ^/(images|fonts|css|js) {