Migrating to Symfony 4

This talk goes through the process of migrating your existing Symfony 2/3 application to Symfony 4 using the new Flex-style directory structure.

Transcript

1. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de Migrating to Symfony 4 1 from Symfony 2 & 3
2. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 2 Denis Brumann Software Developer Berlin, Germany
3. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 3 https://symfony.com/doc/current/contributing/community/releases.html
4. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 4 https://symfony.com/roadmap Symfony Version End of Support End Of Security Fixes 2.8 (LTS) November 2018 November 2019 3.4 (LTS) November 2020 November 2021 4.0 July 2018 January 2019
5. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 5 Flex is not your only option
6. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 6
7. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 7 https://symfony.com/blog/new-in-symfony-3-3-persisted-deprecation-logs
8. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 8 Step 1: Add symfony/flex as a dependency from Symfony 3.4
9. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 9 Step 2: Remove the symfony/symfony package
10. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 10 Step 3: Make sure symfony/symfony is not kept
11. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 11 optionally: stay with Symfony 3.4 first
12. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 12 Step 4: Manually require your Symfony dependencies
13. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 13 Step 5: Copy & adjust your configuration
14. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 14 Symfony 3 Symfony 4
15. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 14 Symfony 3 Symfony 4
16. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 14 Symfony 3 Symfony 4
17. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 15
18. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
19. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
20. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
21. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
22. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
23. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
24. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 16
25. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 17 Step 6a: Move src/AppBundle/* to src/* Step 6b: Move namespace AppBundle\ to App\ Step 6c: Update autoload-section in composer.json
26. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 18 Step 7: Move templates, translations & assets
27. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 19 Step 8: Create public/index.php
28. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 20 Step 9: Create bin/console
29. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 21 https://symfony.com/doc/current/setup/flex.html#upgrade-to-flex https://symfony.com/doc/current/setup/upgrade_major.html
30. Denis Brumann
 @dbrumann
 denis.brumann@sensiolabs.de 22 Questions?