PHP Application employing DDD and onion architecture

TODO

• php 8.1
• https://github.com/qossmic/deptrac
• graphql
• opentelemetry
• domain <> logic <> api
• symfony fw vs no symfony -> probably slim
• DI without symfony fw -> php-di
• deserializing / validation
• php value objects & php entities
• Authentication
• Github Actions
• env config (switching between dev/prod)
• CLI commands
• Logging
• Serializing

Security

• CORS
• samesite cookies

Code quality

• psalm
• phpstan
• php cs

Testing

• phpunit
• infection testing
• integration testing
• e2e testing
• api spec testing
  • https://github.com/thephpleague/openapi-psr7-validator
• gherkin/behat?
  • https://github.com/ciaranmcnulty/behat-psr7extension
  • https://github.com/malukenho/kawaii-gherkin
  • https://github.com/Behat/MinkExtension
  • https://github.com/imbo/behat-api-extension

Performance

• doctrine Change tracking policy: explicit
• DI compilation
• DI define autowired classes for compilation (automagically?)
• opcache
• php preloading
• nginx (or caddy?) + php performance config
• doctrine caching
• caching
• performance testing (speed + capacity)
  • idea: create benchmark and calculate performance relative to that,
    for reproducible results on different systems

Sources

Repos

• https://github.com/ferrius/ddd-cqrs-example
• https://github.com/Roave/BetterReflection/tree/5.0.x/test
• https://github.com/ShittySoft/symfony-live-berlin-2018-doctrine-tutorial
• https://github.com/pelshoff/technically-ddd
• https://github.com/odan/slim4-skeleton
• https://github.com/marcosh/tickets
• https://github.com/dddinphp/last-wishes
• https://dev.to/ludofleury/domain-driven-design-with-php-and-symfony-1bl6
• https://github.com/CodelyTV/php-ddd-example

Other

• https://dddeurope.com/

Books

• https://leanpub.com/cleanphp
• https://leanpub.com/ddd-in-php
• https://leanpub.com/cqrs-by-example/
• https://www.amazon.com/exec/obidos/ASIN/0321125215/domainlanguag-20
• https://www.bol.com/nl/nl/f/domain-driven-design-distilled/9200000050289699/

Interesting projects (taken from https://speakerdeck.com/ramsey/cool-tools-for-php-development-mergephp-january-2022)

• https://dephpend.com/
• https://dredd.org/en/latest/
• https://lando.dev/
• https://github.com/carlosas/phpat
• https://github.com/nunomaduro/phpinsights
• https://phpmd.org/
• https://github.com/php-parallel-lint/PHP-Parallel-Lint
• https://phpqa.io/
• https://github.com/PHPCompatibility/PHPCompatibility
• https://prettier.io/
• https://github.com/ramsey/composer-repl