Update Docker configuration for Prisma migrations: Comment out migrations volume in docker-compose.yml for production use, and add checks in Dockerfile to verify the presence of migrations during build and entrypoint execution.

docker-compose.yml

@@ -44,7 +44,9 @@ services:
     volumes:
       # Persist uploaded images (avatars and backgrounds)
       - ${UPLOADS_PATH:-./public/uploads}:/app/public/uploads
-      - ./prisma/migrations:/app/prisma/migrations
+      # Migrations: décommenter uniquement en développement local pour modifier les migrations sans rebuild
+      # En production, les migrations sont incluses dans l'image Docker
+      # - ./prisma/migrations:/app/prisma/migrations
     depends_on:
       got-postgres:
         condition: service_healthy