tar xf the data-test/chart too

Signed-off-by: Maël Valais <mael@vls.dev>

Author: maelvls

Dockerfile

@@ -8,7 +8,21 @@
 
 FROM gcr.io/cloud-marketplace-tools/k8s/deployer_helm/onbuild
 
-COPY data-test/ /data-test/
+# The schema,yaml and chart/ have already been added thanks to the
+# "onbuild" Dockerfile:
+# https://github.com/GoogleCloudPlatform/marketplace-k8s-app-tools/blob/4335f9/marketplace/deployer_helm_base/onbuild/Dockerfile#L4-L12
+#
+# Since the deployer image must only contain compressed charts, i.e.,
+# chart/chart.tar.gz (which is created by the "onbuild" Docker image), and
+# a data-test/chart/chart.tar.gz. That is why we need to tar the chart in
+# data-test.
+COPY data-test/schema.yaml /data-test/schema.yaml
+COPY data-test/chart /tmp/data-test/chart.tmp
+RUN cd /tmp/data-test \
+        && mv chart.tmp/* chart \
+        && tar -czvf /tmp/data-test/chart.tar.gz chart \
+        && mv chart.tar.gz /data-test/chart/
+
 
 # If you wonder what magic is this, take a look at:
 # https://github.com/GoogleCloudPlatform/marketplace-k8s-app-tools/blob/4335f9/marketplace/deployer_helm_base/onbuild/Dockerfile#L16-L20