diff --git a/Dockerfile b/Dockerfile
index 301f987c..20ae4f56 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,6 +23,8 @@ WORKDIR /usr/local/memos
 
 COPY --from=backend /backend-build/memos /usr/local/memos/
 
+EXPOSE 5230
+
 # Directory to store the data, which can be referenced as the mounting point.
 RUN mkdir -p /var/opt/memos