[#INFRA-142] Revoir le système de déploiement (#11)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
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## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [ ] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

Co-authored-by: gitea-actions <gitea-actions@local>
Reviewed-on: #11
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

deploy/docker/.env.example

@@ -0,0 +1,25 @@
+# Symfony
+APP_ENV=prod
+APP_DEBUG=0
+APP_SECRET=change-me
+
+# Database (use host.docker.internal to reach bare-metal PostgreSQL)
+DATABASE_URL="postgresql://sirh_user:password@host.docker.internal:5432/sirh?serverVersion=16&charset=utf8"
+
+# JWT
+JWT_SECRET_KEY=%kernel.project_dir%/config/jwt/private.pem
+JWT_PUBLIC_KEY=%kernel.project_dir%/config/jwt/public.pem
+JWT_PASSPHRASE=change-me
+JWT_COOKIE_SECURE=1
+JWT_COOKIE_SAMESITE=lax
+JWT_TOKEN_TTL=86400
+JWT_COOKIE_TTL=86400
+
+# CORS
+CORS_ALLOW_ORIGIN='^https?://sirh\.malio-dev\.fr$'
+
+# App
+DEFAULT_URI=https://sirh.malio-dev.fr
+APP_SHARE_DIR=var/share
+RTT_START_DATE=2026-02-23
+HOLIDAY_URL="https://calendrier.api.gouv.fr/jours-feries/"