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Latest Troubleshooting Guides

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Cloudflare Origin Certificate Setup Checklist

If you're setting up a Cloudflare origin certificate to encrypt traffic between Cloudflare an...

Troubleshooting

Fix Nginx 502 Bad Gateway Docker Permission Denied

When running Nginx as a reverse proxy in a Docker environment, a 502 Bad Gateway error often poin...

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Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...

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Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

Troubleshooting

Cloudflare DNS Not Propagating After SSL Certificate Change

You changed an SSL certificate in Cloudflare, but DNS changes aren't showing up. This is a co...

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How to Fix Node Engine Version Requirement Errors

When you run npm install or yarn install and see an error like en...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.