diff --git a/Dockerfile b/Dockerfile
index 17456d84..f9cf5728 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,6 @@ ENV DITTO_DOMAIN=${DITTO_DOMAIN}
 ENV DITTO_UPLOADER_CONFIG=${DITTO_UPLOADER_CONFIG}
 ENV PORT 5000
 
-EXPOSE 5000
 WORKDIR /app
 RUN mkdir -p data
 COPY . .