fix(nginx): redirect error_page to index.html

Signed-off-by: ZheNing Hu <adlternative@gmail.com>

Author: adlternative

docker/nginx.conf

@@ -23,11 +23,13 @@ http {
   server {
         listen 80;
         server_name localhost;
-
         root /usr/share/nginx/html;
         index index.html;
 
+        error_page 404 =200 /index.html;
+
          location / {
+            allow all;
         }
 
         location ~ ^/(?<username>[^/]+)/(?<reponame>[^/]+)/(info/refs|git-upload-pack|git-receive-pack)$ {