fixup! Update Dockerfiles for arm64

Dockerfile.debian

@@ -13,7 +13,7 @@ RUN apt-get update \
 ARG TARGETARCH
 ARG HELM_VERSION="v3.7.2"
 ARG HELM_LOCATION="https://get.helm.sh"
-ARG HELM_FILENAME="helm-${HELM_VERSION}-linux-amd64.tar.gz"
+ARG HELM_FILENAME="helm-${HELM_VERSION}-linux-${TARGETARCH}.tar.gz"
 
 RUN set -x && \
     wget ${HELM_LOCATION}/${HELM_FILENAME}.sha256sum && \
@@ -22,19 +22,19 @@ RUN set -x && \
     echo "Verifying ${HELM_FILENAME}..." && \
     sha256sum "${HELM_FILENAME}" | grep -q "${HELM_SHA256}" && \
     echo "Extracting ${HELM_FILENAME}..." && \
-    tar zxvf "${HELM_FILENAME}" && mv /linux-amd64/helm /usr/local/bin/ && \
-    rm ${HELM_FILENAME} && rm -r /linux-amd64
+    tar zxvf "${HELM_FILENAME}" && mv /linux-${TARGETARCH}/helm /usr/local/bin/ && \
+    rm ${HELM_FILENAME} && rm -r /linux-${TARGETARCH}
 
 # using the install documentation found at https://kubernetes.io/docs/tasks/tools/install-kubectl/
 # for now but in a future version of alpine (in the testing version at the time of writing)
 # we should be able to install using apk add.
-# the sha256 sum can be found at https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl.sha256
+# the sha256 sum can be found at https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/${TARGETARCH}/kubectl.sha256
 # maybe a good idea to automate in the future?
 ENV KUBECTL_VERSION="v1.21.4"
 RUN set -x && \
     curl --retry 5 --retry-connrefused -LO "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/${TARGETARCH}/kubectl.sha256" && \
     KUBECTL_SHA256=$(cat kubectl.sha256) && \
-    wget "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" && \
+    wget "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/${TARGETARCH}/kubectl" && \
     sha256sum kubectl | grep ${KUBECTL_SHA256} && \
     chmod +x kubectl && \
     mv kubectl /usr/local/bin/kubectl
@@ -43,10 +43,10 @@ ENV KUSTOMIZE_VERSION="v3.8.8"
 RUN set -x && \
     curl --retry 5 --retry-connrefused -LO https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/${KUSTOMIZE_VERSION}/checksums.txt && \
     KUSTOMIZE_SHA256=$(grep kustomize_${KUSTOMIZE_VERSION}_linux_${TARGETARCH}.tar.gz checksums.txt | awk '{print $1}') && \
-    curl --retry 5 --retry-connrefused -LO https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz && \
-    sha256sum kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz | grep ${KUSTOMIZE_SHA256} && \
-    tar zxf kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz && \
-    rm kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz && \
+    curl --retry 5 --retry-connrefused -LO https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_linux_${TARGETARCH}.tar.gz && \
+    sha256sum kustomize_${KUSTOMIZE_VERSION}_linux_${TARGETARCH}.tar.gz | grep ${KUSTOMIZE_SHA256} && \
+    tar zxf kustomize_${KUSTOMIZE_VERSION}_linux_${TARGETARCH}.tar.gz && \
+    rm kustomize_${KUSTOMIZE_VERSION}_linux_${TARGETARCH}.tar.gz && \
     mv kustomize /usr/local/bin/kustomize
 
 RUN helm plugin install https://github.com/databus23/helm-diff --version v3.2.0 && \