diff --git a/Dockerfile b/Dockerfile
index 07bec57..18b25cf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,5 +24,7 @@ COPY --from=builder /app/README.md /README.md
 
 EXPOSE 8181
 
+VOLUME ["/app"]
+
 # Run
-CMD ["/blackhole", "--config", "/app/config.json"]
\ No newline at end of file
+CMD ["/blackhole", "--config", "/app/config.json"]