Another try

nginx-development.conf

@@ -49,6 +49,8 @@ server {
         sub_filter_types *;
         proxy_pass http://192.168.62.15:8000/;
         proxy_set_header Accept-Encoding "";
+        sub_filter_types text/html;
+        sub_filter "http:192.168.62.15:8000" "https://data-reloaded-dev.datalab.erasme.org/wordpress";
         # proxy_set_header  X-Real-IP  $remote_addr;
         # proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
         #proxy_set_header Host $http_host;