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