diff --git a/Dockerfile b/Dockerfile
index 57b52e1..38e9e66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,5 +9,6 @@ RUN pip install -r requirements.txt
 COPY . .
 
 ENV PYTHONUNBUFFERED=1
+EXPOSE 1239
 
 ENTRYPOINT ["fastapi", "run", "main.py", "--port", "1239"]