Nginx Gzip Compression Not Working
When Nginx's gzip compression doesn't seem to apply — response sizes stay the same, and the expected Content-Encoding: gzip header is missing — it's usually...
Category
Nginx
Fixes for reverse proxy errors, SSL configuration, and caching issues in Nginx.
Nginx Location Block Priority, Why the Wrong One Matches
When a request gets handled by an unexpected location block despite a seemingly more specific one existing in the config, the cause is almost always a...
Nginx Serving Wrong Site for the Domain (Default Server Block Issue)
When Nginx serves the wrong site for a domain — showing a different project's content, or a generic default page, instead of what you configured — the cause is...
Nginx "Worker_connections Exceeded" Error Fix
Hitting Nginx's worker_connections limit means each worker process has reached the maximum number of simultaneous connections it's configured to handle — this...
Nginx 502 Bad Gateway With Docker Container
A 502 Bad Gateway from Nginx in a Docker setup almost always means Nginx successfully received the request but couldn't get a valid response from the upstream...
Nginx Reverse Proxy Not Passing Headers Correctly
When headers your backend expects (like the real client IP, the original Host, or Authorization tokens) don't arrive correctly through an Nginx reverse proxy,...
Nginx Serving Old Cached Version After Deploy
When visitors keep seeing an outdated version of your site after a deploy, the new files usually did make it to the server correctly — the problem is one of...
Nginx SSL Certificate Not Renewing Automatically
When an SSL certificate managed by Let's Encrypt (via Certbot) fails to renew automatically, it's almost always because the scheduled renewal job either isn't...
Nginx "Too Many Redirects" Loop Fix
A redirect loop happens when Nginx (or your application behind it) keeps sending the browser back to a URL it just came from, usually because Nginx and the...