diff --git a/.github/actions/build-image/Dockerfile b/.github/actions/build-image/Dockerfile
index 840733e..9894eba 100644
--- a/.github/actions/build-image/Dockerfile
+++ b/.github/actions/build-image/Dockerfile
@@ -9,4 +9,5 @@ RUN chmod +x cup
 
 FROM scratch
 COPY --from=builder /cup /cup
+EXPOSE 8000
 ENTRYPOINT ["/cup"]
\ No newline at end of file