diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1e4e542
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,7 @@
+FROM python:3.11-slim
+WORKDIR /app
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+COPY . .
+EXPOSE ${PORT:-8000}
+CMD ["sh", "-c", "python3 area_of_rectangle.py"]
\ No newline at end of file