diff --git a/z1/backend/Dockerfile b/z1/backend/Dockerfile
new file mode 100644
index 0000000..cde667b
--- /dev/null
+++ b/z1/backend/Dockerfile
@@ -0,0 +1,12 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app.py .
+
+EXPOSE 5000
+
+CMD ["python", "app.py"]
\ No newline at end of file