Multistage

Author: devopsmariocom

Dockerfile

@@ -1,13 +1,17 @@
-FROM alpine:3.12.0
+FROM alpine:3.12.0 as fetcher
 
 ARG KAPP_VERSION=v0.33.0
 
-ENV KUBECONFIG=./tmp/kube_config.yml
-
-WORKDIR /workdir
-
 ADD https://github.com/k14s/kapp/releases/download/${KAPP_VERSION}/kapp-linux-amd64 /usr/local/bin/kapp
 
 RUN chmod +x /usr/local/bin/kapp
 
+FROM alpine:3.12.0
+
+ENV KUBECONFIG=./tmp/kube_config.yml
+
+WORKDIR /workdir
+
 ENTRYPOINT [ "/usr/local/bin/kapp" ]
+
+COPY --from=fetcher /usr/local/bin/kapp /usr/local/bin/kapp