How do I roll back Nginx config?
Restore the backup: sudo cp /etc/nginx/sites-available/devtinder.bak /etc/nginx/sites-available/devtinder. Test with nginx -t. Reload with systemctl reload nginx (or restart if Nginx is down). Verify with curl and systemctl status.
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Back up the current config (cp with timestamp), edit the config, test with nginx -t, reload with systemctl reload nginx, verify with systemctl status and curl. If something breaks, restore the backup and reload. Use an automated script for the process.
Yes. Keep Nginx config files in your project repo or a separate config repo. This gives you version history, easy rollback (git checkout), team collaboration, and documentation of all changes. Copy to /etc/nginx during deployment.
Restore the backup config (cp backup file back), run nginx -t to verify the old config, then systemctl restart nginx. If the backup also fails, check nginx -t output for syntax errors. As a last resort, use the default config (sudo cp /etc/nginx/sites-available/default /etc/nginx/sites-enabled/).
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