Learn SYMFONY with Real Code Examples

Use HTTP caching and Symfony Cache component

Optimize Doctrine queries and use indexes

Profile and remove unnecessary service instantiations

Enable OPcache for PHP

Use Symfony Messenger for asynchronous tasks

Use built-in security component for authentication

Sanitize user input and validate forms

Use CSRF protection for forms

Secure sensitive configuration in `.env`

Apply HTTPS and secure headers

Symfony profiler for request metrics

Logging via Monolog

Error tracking with Sentry or similar tools

Performance monitoring with Blackfire

Analytics integration via APIs

Follow PSR standards for PHP

Use automated testing and CI/CD

Leverage code reviews and static analysis tools

Use modular, reusable services and bundles

Maintain consistent naming and directory conventions