nginx: fix gitea proxy headers

roles/nginx/tasks/main.yml

@@ -38,12 +38,18 @@
           ssl_ciphers         HIGH:!aNULL:!MD5;
       - listen: "443 ssl http2"
         server_name: "git.{{ domain }}"
-        client_max_body_size: "100M"
+        client_max_body_size: "512M"
         extra_parameters: |
           listen [::]:443 ssl http2;
           location / {
             add_header Permissions-Policy interest-cohort=();
             proxy_pass http://localhost:{{ giteaPort }};
+            proxy_set_header Connection $http_connection;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
           }
           ssl_certificate     /etc/letsencrypt/live/{{ domain }}/fullchain.pem;
           ssl_certificate_key /etc/letsencrypt/live/{{ domain }}/privkey.pem;