diff --git a/Dockerfile b/Dockerfile
index 60d5bbf..721648b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,7 @@
+# This dockerfile is meant to be used in publish-docker.yml workflow which reuses artifacts created by release.yml
+# This way we can avoid rebuilding the CLI specifically for docker
+
 FROM alpine:3.20
 
-COPY ./railway /usr/bin/railway
-RUN test -f /usr/bin/railway
+# binary should be retrieved by download-artifact action by this point
+COPY --chmod=755 ./railway /usr/bin/railway