FROM alpine:3.24

RUN apk --no-cache add \

bash \

curl \

git \

libc6-compat \

openssh-client \

py3-pip \

py3-wheel \

python3 \

yamllint

ARG yamale_version=6.1.0

LABEL yamale-version=$yamale_version

RUN pip install --break-system-packages "yamale==$yamale_version"

ARG TARGETPLATFORM

ARG kubectl_version=v1.37.1

LABEL kubectl-version=$kubectl_version

RUN targetArch=$(echo $TARGETPLATFORM | cut -f2 -d '/') \

&& if [ ${targetArch} = "amd64" ]; then \

HELM_ARCH="linux/amd64"; \

elif [ ${targetArch} = "arm64" ]; then \

HELM_ARCH="linux/arm64"; \

fi \

&& curl -LO "dl.k8s.io/$kubectl_version/bin/$HELM_ARCH/kubectl" \

&& chmod +x kubectl \

&& mv kubectl /usr/local/bin/

ARG helm_version=v3.22.0

LABEL helm-version=$helm_version

RUN targetArch=$(echo $TARGETPLATFORM | cut -f2 -d '/') \

&& if [ ${targetArch} = "amd64" ]; then \

HELM_ARCH="linux-amd64"; \

elif [ ${targetArch} = "arm64" ]; then \

HELM_ARCH="linux-arm64"; \

fi \

&& curl -LO "https://get.helm.sh/helm-$helm_version-$HELM_ARCH.tar.gz" \

&& mkdir -p "/usr/local/helm-$helm_version" \

&& tar -xzf "helm-$helm_version-$HELM_ARCH.tar.gz" -C "/usr/local/helm-$helm_version" \

&& ln -s "/usr/local/helm-$helm_version/$HELM_ARCH/helm" /usr/local/bin/helm \

&& rm -f "helm-$helm_version-$HELM_ARCH.tar.gz"

COPY ./etc/chart_schema.yaml /etc/ct/chart_schema.yaml

COPY ./etc/lintconf.yaml /etc/ct/lintconf.yaml

ARG TARGETPLATFORM

COPY $TARGETPLATFORM/ct /usr/local/bin/ct

RUN ct --help