  * Enable ESI in the <fg=green>config/packages/framework.yaml</> file.

  * Add the Contao routes to your <fg=green>config/routing.yaml</> file and
    make sure they are loaded at the very end.

  * Edit your <fg=green>config/security.yaml</> file and include all the
    necessary providers, firewalls and access control sections.

Documentation: https://docs.contao.org/dev/
