diff --git a/Dockerfile b/Dockerfile
index 0e29e35..307ca85 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,15 @@ FROM python:3.10-slim
 
 WORKDIR /app
 
-COPY requirements.txt .
-
-RUN pip install --no-cache-dir -r requirements.txt
-
+# Copia os fontes primeiro
 COPY . .
 
+# Instala pipreqs temporariamente
+RUN pip install pipreqs && \
+    pipreqs ./api/src --force && \
+    pip install --no-cache-dir -r requirements.txt && \
+    pip uninstall -y pipreqs
+
 EXPOSE 8000
 
 CMD ["uvicorn", "api.src.main:app", "--host", "0.0.0.0", "--port", "8000"]