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PHP · Module 10 of 10

Deployment and best practices

Ship and maintain PHP applications.

📖 Key ideas

  1. Deploy on shared hosting, VPS (Nginx + PHP-FPM) or containers.
  2. Turn off display_errors in production; log errors.
  3. Enable OPcache for speed.
  4. Keep PHP and packages updated (composer update carefully).
  5. Back up databases and code regularly.
💡 Real-life example: Going live is opening a shop: lights on (OPcache), back door locked (no error display), regular stock checks (backups).
PHP-FPMFastCGI process manager
OPcacheBytecode cache for speed
display_errorsShows errors to users
composer.lockLocks package versions