Merge pull request #8 from IBM/FixWheelReleaseWithBuildx

Fix wheel release with buildx

Dockerfile

@@ -49,7 +49,8 @@ ARG RELEASE_DRY_RUN
 COPY ./test /src/test
 COPY ./ci/run-tests.sh /src/ci/run-tests.sh
 RUN true && \
-    ([ "$RELEASE_DRY_RUN" != "true" ] && sleep 90 || true) && \
+    ([ "$RELEASE_DRY_RUN" != "true" ] && sleep 30 || true) && \
+    pip cache purge && \
     pip install alchemy-config==${RELEASE_VERSION} && \
     ./ci/run-tests.sh && \
     true

ci/release.sh

@@ -6,6 +6,11 @@ cd $(dirname ${BASH_SOURCE[0]})/..
 # Get the tag for this release
 tag=$(echo $REF | cut -d'/' -f3-)
 
+# We explicitly don't want to run with buildkit so that the docker builds happen
+# in a linear fashion since our `release_test` stages intentionally don't
+# inherit from the stages where the publication happens.
+export DOCKER_BUILDKIT=0
+
 # Build the docker phase that will release and then test it
 docker build . \
     --target=release_test \