Empty webapp complete

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.env

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+# In all environments, the following files are loaded if they exist,
+# the latter taking precedence over the former:
+#
+#  * .env                contains default values for the environment variables needed by the app
+#  * .env.local          uncommitted file with local overrides
+#  * .env.$APP_ENV       committed environment-specific defaults
+#  * .env.$APP_ENV.local uncommitted environment-specific overrides
+#
+# Real environment variables win over .env files.
+#
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE NOR IN ANY OTHER COMMITTED FILES.
+# https://symfony.com/doc/current/configuration/secrets.html
+#
+# Run "composer dump-env prod" to compile .env files for production use (requires symfony/flex >=1.2).
+# https://symfony.com/doc/current/best_practices.html#use-environment-variables-for-infrastructure-configuration
+
+###> symfony/framework-bundle ###
+APP_ENV=dev
+APP_SECRET=
+APP_SHARE_DIR=var/share
+###< symfony/framework-bundle ###
+
+###> symfony/routing ###
+# Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
+# See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
+DEFAULT_URI=http://localhost
+###< symfony/routing ###
+
+###> doctrine/doctrine-bundle ###
+# Format described at https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
+# IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
+#
+# DATABASE_URL="sqlite:///%kernel.project_dir%/var/data_%kernel.environment%.db"
+DATABASE_URL="mysql://app:!ChangeMe!@mysql:3306/app?serverVersion=8.4&charset=utf8mb4"
+###< doctrine/doctrine-bundle ###
+
+###> symfony/messenger ###
+MESSENGER_TRANSPORT_DSN=amqp://guest:guest@rabbitmq:5672/%2f/messages
+###< symfony/messenger ###
+
+###> symfony/mailer ###
+MAILER_DSN=null://null
+###< symfony/mailer ###