Update Dockerfile

Adicionado comando para migração

Author: marcelomizuno

backend/Dockerfile

@@ -40,4 +40,5 @@ COPY ./app /app/app
 RUN --mount=type=cache,target=/root/.cache/uv \
     uv sync
 
-CMD ["fastapi", "run", "--workers", "4", "app/main.py"]
+# Run migrations before starting the server
+CMD ["sh", "-c", "alembic upgrade head && uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-8000}"]