ARG BASE_IMAGE=google/cloud-sdk:latest
FROM $BASE_IMAGE

RUN apk add -U --no-cache openssl

# download and install kubectl
ARG KUBECTL_VERSION
RUN curl -L https://storage.googleapis.com/kubernetes-release/release/$KUBECTL_VERSION/bin/linux/amd64/kubectl -o /usr/bin/kubectl \
	&& chmod +x /usr/bin/kubectl

ARG HELM_VERSION
RUN curl -LO https://storage.googleapis.com/kubernetes-helm/helm-$HELM_VERSION-linux-amd64.tar.gz \
  && tar xfvz helm-$HELM_VERSION-linux-amd64.tar.gz \
	&& mv linux-amd64/helm /usr/bin/helm \
	&& rm -rf linux-amd64 #\
	&& rm helm-$HELM_VERSION-linux-amd64.tar.gz