[tw5] TiddlyServer Missing ETag on Nginx Reverse Proxy

[oha...@gmail.com]

Hi all,

I'm at the end of my rope here, trying to fix this. I am running an 
instance of TiddlyServer on my Raspberry Pi running behind an Nginx reverse 
proxy and SSL from Let's Encrypt. Some combination of all of these factors 
causes the Etag header to be missing on the responses, and my server cannot 
save because of it. Viewing the localhost works fine. 

I came across this old thread with similar issues 
https://groups.google.com/u/1/g/tiddlywiki/c/8HB0R_ADYac/m/axe_o1IgBAAJ but 
saw no answers in there.

Any help at all would be greatly appreciated. You can find my TiddlyServer 
setup in the original issue here 
https://github.com/Arlen22/TiddlyServer/issues/97 and my Nginx config is as 
follows:

server {
  server_name mydomain.com www.mydomain.com;

  error_log /var/log/nginx/mydomain.com.log;
  access_log /var/log/nginx/mydomain.com.access.log combined;

  location / {
    proxy_pass http://192.168.0.109:8080/;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
  }

    listen [::]:443 ssl ipv6only=on;
    listen 443 ssl;

    ssl_certificate /etc/letsencrypt/live/mydomain.com/fullchain.pem; # 
managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/mydomain.com/privkey.pem; # 
managed by Certbot
    ssl_trusted_certificate /etc/letsencrypt/live/mydomain.com/chain.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot



}server {
    if ($host = mydomain.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    if ($host = www.mydomain.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


  listen 80;
  listen [::]:80;
  server_name mydomain.com www.mydomain.com;
    return 404; # managed by Certbot
}

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