feat: add files path to nginx proxy config (#29)

Resolves the issue of files not being available in the frontend, e.g. DALL-E generated images.

Co-authored-by: Boris Polonsky <[email protected]>

charts/dify/templates/config.tpl

@@ -323,6 +323,11 @@ server {
       include proxy.conf;
     }
 
+    location /files {
+      proxy_pass http://{{ template "dify.api.fullname" .}}:{{ .Values.api.service.port }};
+      include proxy.conf;
+    }
+
     location / {
       proxy_pass http://{{ template "dify.web.fullname" .}}:{{ .Values.web.service.port }};
       include proxy.conf;