Fix nginx config for HedgeDoc

host_vars/gabriel.c3heaven.de

@@ -92,6 +92,7 @@ nginx_https_sites:
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
         proxy_set_header Host $host;
         proxy_http_version 1.1;
         proxy_pass http://127.0.0.1:3000;