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Latest Troubleshooting Guides

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Troubleshooting

Fix Nginx 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...

Troubleshooting

Fix Docker Compose 'port 8080 already allocated' Error

When running docker-compose up, you may see an error like Error: Port 8080 is ...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix VSCode Permission Denied in Docker Containers
                                
When using Visual Studio Code's Remote – Containers extension or attaching to a running Docke...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fixing Nginx Permission Denied Due to SELinux Context
                                
You've configured nginx, but when you try to access your site, you see a 403 Forbidden<...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix ERR_CERT_AUTHORITY_INVALID on Localhost
                                
When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Docker Compose Environment Variable from Shell Not Working: Fixes
                                
You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...



        
            
                
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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.