allow multiple kustomize versions

.github/workflows/release.yaml

@@ -244,15 +244,29 @@ jobs:
     steps:
       - name: checkout repository
         uses: actions/checkout@v2
-      - name: release kustomize
+      - name: release kustomize v3
         uses: docker/build-push-action@v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: automationcloud/kustomize
           path: ./kustomize
-          tags: latest
+          tags: latest,kustomize-v3.9.3
           tag_with_sha: true
+          build-args: |
+            KUSTOMIZE_VERSION=v3.9.3
+      - name: release kustomize v5
+        uses: docker/build-push-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+          repository: automationcloud/kustomize
+          path: ./kustomize
+          tags: kustomize-v5.1.1
+          tag_with_sha: true
+          build-args: |
+            KUSTOMIZE_VERSION=v5.1.1
+
       - name: Notify Slack
         if: ${{ success() }}
         uses: docker://automationcloud/slack-docker-build-success:latest

kustomize/Dockerfile

@@ -1,7 +1,8 @@
 FROM alpine:3
 RUN apk add --update --no-cache bash ca-certificates curl git jq openssh
 RUN ["bin/sh", "-c", "mkdir -p ./src"]
-RUN curl --retry 30 --retry-max-time 120 -s -S -L https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v3.9.3/kustomize_v3.9.3_linux_amd64.tar.gz | tar -xz -C /usr/bin 
+ARG KUSTOMIZE_VERSION
+RUN curl --retry 30 --retry-max-time 120 -s -S -L https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz | tar -xz -C /usr/bin 
 RUN chmod +x /usr/bin/kustomize
 COPY ["./src", "/src/"]
 RUN chmod +x /src/entrypoint.sh