diff --git a/fix_3.py b/fix_3.py
new file mode 100644
index 0000000..269fb45
--- /dev/null
+++ b/fix_3.py
@@ -0,0 +1,11 @@
+# lightning_memory/Dockerfile
+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["python", "lightning_memory/server.py"]
\ No newline at end of file