Dockerfile

# circleci-kubectl-helm docker build file

# based on circleci/buildpack-deps:stretch
FROM circleci/buildpack-deps:stretch

MAINTAINER Julian Weber <julianweberdev@gmail.com>

# Arguments for image building
ARG K8S_VERSION
ARG HELM_VERSION
ARG HELM3_VERSION

# BUILD ENV
ENV HELM_FILENAME=helm-${HELM_VERSION}-linux-amd64.tar.gz
ENV HELM3_FILENAME=helm-${HELM3_VERSION}-linux-amd64.tar.gz
ENV BUILD_PATH=/home/circleci
WORKDIR $BUILD_PATH

# install dependencies
# install kubectl
# display kubectl version
# install helm
# display helm version
# install helm3
# display helm3 version
# install helm3 plugins
RUN sudo apt-get install ca-certificates curl gettext tar gzip \
    && wget "https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/amd64/kubectl" && sudo mv kubectl /usr/local/bin/kubectl && sudo chmod +x /usr/local/bin/kubectl\
    && kubectl version ||true\
    && wget "https://storage.googleapis.com/kubernetes-helm/${HELM_FILENAME}" && tar xfz "$HELM_FILENAME" && sudo mv linux-amd64/helm /usr/local/bin/helm && sudo chmod +x /usr/local/bin/helm && rm -rf $HELM_FILENAME && rm -rf linux-amd64/ \
    && helm version ||true \
    && wget "https://get.helm.sh/${HELM3_FILENAME}" && tar xfz "$HELM3_FILENAME" && sudo mv linux-amd64/helm /usr/local/bin/helm3 && sudo chmod +x /usr/local/bin/helm3 && rm -rf $HELM3_FILENAME && rm -rf linux-amd64/ \
    && helm3 version |true \
    && helm3 plugin install "https://github.com/helm/helm-2to3" \
    && helm3 plugin install "https://github.com/databus23/helm-diff"

# install heroku cli
RUN curl https://cli-assets.heroku.com/install-ubuntu.sh | sh

CMD ["/bin/sh"]