diff --git a/Dockerfile b/Dockerfile
index e2b19a64..9959d7be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,7 @@ WORKDIR /opt
 
 USER app
 RUN [ "make", "ws_install" ]
+RUN [ "rm", "-rf", "build" ]
 
 FROM alpine:3.11 as runtime
 
@@ -26,6 +27,9 @@ COPY --chown=app:app --from=build /usr/local/bin/ws /usr/local/bin/ws
 RUN chmod +x /usr/local/bin/ws
 RUN ldd /usr/local/bin/ws
 
+# Copy source code for gcc
+COPY --chown=app:app --from=build /opt /opt
+
 # Now run in usermode
 USER app
 WORKDIR /home/app