Added helm-docs to image

Author: erhhung

Dockerfile

@@ -490,6 +490,14 @@ echo "::group::Install Kubernetes tools"
     tar -xz -C /usr/local/bin --no-same-owner --strip 1 linux-${ARCH}/helm
   helm version
 
+  # install helm-docs: https://github.com/norwoodj/helm-docs#installation
+  REL="https://github.com/norwoodj/helm-docs/releases/latest"
+  VER=$(curl -Is $REL | sed -En 's/^location:.+\/tag\/v(.+)\r$/\1/p')
+  arch=$(uname -m | sed -e 's/aarch64/arm64/') # must be x86_64 or arm64
+  curl -fsSL $REL/download/helm-docs_${VER}_Linux_${arch}.tar.gz | \
+    tar -xz -C /usr/local/bin --no-same-owner helm-docs
+  helm-docs --version
+
   # install Helm plugins
   helm plugin install https://github.com/databus23/helm-diff
   helm diff version

README.md

@@ -23,9 +23,10 @@ Includes the following components:
   - [kube-score](https://github.com/zegl/kube-score)
 - [kind](https://kind.sigs.k8s.io/) and [vCluster](https://www.vcluster.com/)
 - [Helm](https://helm.sh/)
-  - [Helmfile](https://github.com/helmfile/helmfile)
+  - [helm-docs](https://github.com/norwoodj/helm-docs)
   - [helm-diff](https://github.com/databus23/helm-diff)
   - [helm-ssm](https://github.com/codacy/helm-ssm)
+  - [Helmfile](https://github.com/helmfile/helmfile)
 - [Argo CD](https://argo-cd.readthedocs.io/en/stable/)
 
 As well as the following utilities:

scripts/versions.sh

@@ -54,6 +54,7 @@ setver go $(v=(`go version`); echo ${v[2]#go})
 setver gzip $(v=(`gzip --version | head -1`); echo ${v[-1]})
 setver helm $(v=`helm version --short`; v=${v#v}; echo ${v%+*})
 setver helm-diff $(helm diff version)
+setver helm-docs $(v=(`helm-docs --version`); echo ${v[-1]})
 setver helm-ssm $(v=(`helm plugin list | grep ssm`); echo ${v[1]})
 setver helmfile $(helmfile version -o short)
 setver jo $(jo -V | jq -r .version)