diff --git a/Dockerfile b/Dockerfile
index d56556b..f226df7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -54,6 +54,9 @@ USER imnyang
 # Copy only the compiled binary from the build stage.
 COPY --from=build /bin/server /app/
 
+RUN chown -R imnyang:imnyang /app
+RUN chmod -R 755 /app
+
 RUN mkdir -p /app/uploads
 
 # Rocket: listen on all interfaces inside the container.