-RUN curl https://get.helm.sh/helm-v2.17.0-linux-amd64.tar.gz --output helm-v2.17.0.tar.gz \
- && tar -zxvf helm-v2.17.0.tar.gz \
- && mv linux-amd64/helm /usr/local/bin/helm \
- && rm -r linux-amd64/
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
+ DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+ apt-transport-https=2.4.* \
+ gnupg2=2.2.* \
+ openssh-client=1:8.* \
+ && rm -rf /var/lib/apt/lists/*
+
+# https://kubernetes.io/releases/
+RUN curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg \
+ && echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /' | tee /etc/apt/sources.list.d/kubernetes.list \
+ && apt-get update && apt-get install -y kubectl=1.30.1-1.1