Common Nginx Errors and Fixes
1 min read
- Authors
- Name
- Vijaykumar Rajendran
- @vijayrajendran_
Table of Contents
Common Nginx Errors
502 Bad Gateway
Cause: Backend server down or unreachable
Fix:
# Check backend
curl http://backend:3000
# Check upstream
sudo nginx -t
504 Gateway Timeout
Cause: Backend too slow
Fix:
proxy_read_timeout 60s;
proxy_connect_timeout 60s;
403 Forbidden
Cause: Permission issues
Fix:
# Check file permissions
ls -la /var/www/html
# Check SELinux
getenforce
Fixed!