feat(): add custom error pages support

README.md

@@ -134,6 +134,16 @@ docker exec -ti flarum extension remove some/extension
 docker exec -ti flarum extension list
 ```
 
+### Custom error pages
+
+To use custom error pages, add your .html files in `/mnt/docker/flarum/assets/errors` folder :
+
+```
+mkdir -p /mnt/docker/flarum/assets/errors
+touch 403.html 404.html 500.html 503.html
+chown -R 991:991 /mnt/docker/flarum
+```
+
 ### Screenshot
 
 #### Installation

nginx.conf

@@ -58,46 +58,77 @@ http {
     root /flarum/app;
     index index.php;
     charset utf-8;
+
     client_max_body_size 50M;
+    fastcgi_buffers 64 4K;
 
-    location / {
-      try_files $uri $uri/ /index.php?$query_string;
-    }
+    error_page 403 /403.html;
+    error_page 404 /404.html;
+    error_page 500 /500.html;
+    error_page 503 /503.html;
 
-    location /api {
-      try_files $uri $uri/ /api.php?$query_string;
-    }
+    location = /403.html { root /flarum/app/vendor/flarum/core/error; }
+    location = /404.html { root /flarum/app/vendor/flarum/core/error; }
+    location = /500.html { root /flarum/app/vendor/flarum/core/error; }
+    location = /503.html { root /flarum/app/vendor/flarum/core/error; }
 
-    location /admin {
-      try_files $uri $uri/ /admin.php?$query_string;
-    }
+    location / { try_files $uri $uri/ /index.php?$query_string; }
+    location /api { try_files $uri $uri/ /api.php?$query_string; }
+    location /admin { try_files $uri $uri/ /admin.php?$query_string; }
 
-    location /flarum {
+    # Access path list
+    # --------------------------------------
+    location ~ /\. {
       deny all;
       return 404;
     }
 
-    location ~ /\.ht {
-        deny all;
+    location ~* ^/(Procfile|storage|Vagrantfile|config\.php|LICENSE|vendor|flarum|scripts) {
+      deny all;
+      return 404;
     }
 
-    location ~* \.html$ {
+    location ~* composer(.*?) {
+      deny all;
+      return 404;
+    }
+
+    location ~* (.*?)\.md {
+      deny all;
+      return 404;
+    }
+
+    # Assets cache control
+    # --------------------------------------
+    location ~* \.(?:html|xml|json)$ {
       expires -1;
     }
 
-    location ~* \.(css|js|gif|jpe?g|png)$ {
-      expires 1M;
+    location ~* \.(?:css|js)$ {
+      expires 7d;
       add_header Pragma public;
       add_header Cache-Control "public, must-revalidate, proxy-revalidate";
     }
 
+    location ~* \.(?:gif|jpe?g|png|ico|otf|eot|svg|ttf|woff|woff2)$ {
+      expires 30d;
+      add_header Pragma public;
+      add_header Cache-Control "public, must-revalidate, proxy-revalidate";
+    }
+
+    # PHP Backend
+    # --------------------------------------
     location ~* \.php$ {
-      fastcgi_split_path_info ^(.+.php)(/.+)$;
-      fastcgi_pass unix:/tmp/php-fpm.sock;
+      try_files $uri =404;
       include fastcgi_params;
+      fastcgi_split_path_info ^(.+\.php)(/.*)$;
       fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+      fastcgi_param PATH_INFO $fastcgi_path_info;
       fastcgi_param HTTP_PROXY "";
       fastcgi_index index.php;
+      fastcgi_pass unix:/tmp/php-fpm.sock;
+      fastcgi_intercept_errors on;
+      fastcgi_request_buffering off;
     }
 
   }

run.sh

@@ -28,6 +28,11 @@ chown -R $UID:$GID /flarum /etc/nginx /etc/php7 /var/log /var/lib/nginx /tmp /et
 
 cd /flarum/app
 
+if [ -d 'assets/errors' ]; then
+  rm -rf vendor/flarum/core/error/*
+  ln -s /flarum/app/assets/errors/* vendor/flarum/core/error
+fi
+
 # if no installation was performed before
 if [ -e 'assets/rev-manifest.json' ]; then