docker-tools/static-helm.scratch.Dockerfile at main · Tob1as/docker-tools · GitHub

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# build: docker build --no-cache --progress=plain --target binary --build-arg HELM_VERSION=3.19.0 -t tobi312/tools:static-helm -f static-helm.scratch.Dockerfile .
ARG HELM_VERSION
FROM golang:alpine AS static-helm

ARG HELM_VERSION
ARG HELM_DIFF_VERSION

# helm https://github.com/helm/helm

SHELL ["/bin/ash", "-euxo", "pipefail", "-c"]

RUN \
    #apk add --no-cache git ; \
    OS="$(go env GOOS)" ; \
    ARCH="$(go env GOARCH)" ; \
    TARGETARCH="${ARCH}" ; \
    \
    # https://github.com/helm/helm
    HELM_VERSION=${HELM_VERSION:-$(wget -qO- https://api.github.com/repos/helm/helm/releases/latest | grep 'tag_name' | cut -d\" -f4)} ; \
    HELM_VERSION=$(echo ${HELM_VERSION} | sed 's/^v//') ; \
    echo ">> HELM_VERSION=${HELM_VERSION}" ; \
    wget -qO- "https://get.helm.sh/helm-v${HELM_VERSION}-${OS}-${TARGETARCH}.tar.gz" | tar -xz --strip-components=1 -C /usr/local/bin/ ${OS}-${TARGETARCH}/helm ; \
    chmod +x /usr/local/bin/helm ; \
    echo ">> HELM_VERSION (check): $(helm version)" ; \
    echo ">> helm Help:" ; \
    helm --help ; \
    \
    # helm plugins directory
    mkdir -p ~/.local/share/helm/plugins ; \
    \
    # https://github.com/databus23/helm-diff
    if [ "$ARCH" != "riscv64" ]; then \
        if [ "$ARCH" = "arm" ]; then TARGETARCH="${TARGETARCH}v7" ; fi ; \
        HELM_DIFF_VERSION=${HELM_DIFF_VERSION:-$(wget -qO- https://api.github.com/repos/databus23/helm-diff/releases/latest | grep 'tag_name' | cut -d\" -f4)} ; \
        HELM_DIFF_VERSION=$(echo ${HELM_DIFF_VERSION} | sed 's/^v//') ; \
        echo ">> HELM_DIFF_VERSION=${HELM_DIFF_VERSION}" ; \
        mkdir -p ~/.local/share/helm/plugins/helm-diff ; \
        wget -qO- "https://github.com/databus23/helm-diff/releases/download/v${HELM_DIFF_VERSION}/helm-diff-${OS}-${TARGETARCH}.tgz" | tar -xz --strip-components=1 -C ~/.local/share/helm/plugins/helm-diff ; \
        echo ">> HELM_DIFF_VERSION (check): $(helm diff version)" ; \
        echo ">> helm diff Help:" ; \
        helm diff --help ; \
    else \
        echo "unknown arch: $ARCH" ; \
    fi

FROM scratch AS binary

ARG HELM_VERSION
ARG HELM_DIFF_VERSION
ARG VCS_REF
ARG BUILD_DATE

LABEL org.opencontainers.image.title="helm" \
      org.opencontainers.image.authors="Helm Community, Tobias Hargesheimer <docker@ison.ws>" \
      org.opencontainers.image.version="${HELM_VERSION}" \
      org.opencontainers.image.created="${BUILD_DATE}" \
      org.opencontainers.image.revision="${VCS_REF}" \
      org.opencontainers.image.description="Static helm - The Kubernetes Package Manager" \
      org.opencontainers.image.documentation="https://helm.sh/docs/intro/install/#from-the-binary-releases" \
      org.opencontainers.image.licenses="Apache-2.0" \
      org.opencontainers.image.base.name="scratch" \
      org.opencontainers.image.url="https://github.com/Tob1as/docker-tools" \
      org.opencontainers.image.source="https://github.com/helm/helm"

COPY --from=static-helm /usr/local/bin/helm /usr/local/bin/helm
COPY --from=static-helm /root/.local/share/helm/plugins /root/.local/share/helm/plugins

RUN ["helm", "version"]
#RUN ["helm", "diff", "version"]

ENTRYPOINT ["helm"]
#CMD ["version"]
#CMD ["--help"]