feat: add release workflow for kustomize oci image

.github/workflows/dis-apim-kustomize-release.yml

@@ -0,0 +1,86 @@
+name: Build kustomize oci artifact for Dis APIM Operator
+
+env:
+  ARTIFACT_NAME: kustomize/dis-apim-operator
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'services/dis-apim-operator/config/**'
+      - '.github/workflows/dis-apim-kustomize-release.yml'
+    tags:
+      - 'kustomize-dis-apim-*'
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  latest:
+    name: Build latest from main
+    if: github.ref == 'refs/heads/main'
+    defaults:
+      run:
+        working-directory: ./services/dis-apim-operator/config
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup vars
+        id: vars
+        run: |
+          echo "reponame=${GITHUB_REPOSITORY,,}" >> ${GITHUB_OUTPUT}
+      - name: Setup flux
+        uses: fluxcd/flux2/action@3b42b200d376430f0e24d35f1a600447d92da531
+        with:
+          version: latest
+      - name: Build latest artifact
+        run: |
+          echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+          container_registry=ghcr.io/${{ steps.vars.outputs.reponame }}
+          artifact_name=${{ env.ARTIFACT_NAME }}
+          flux push artifact oci://${container_registry}/${artifact_name}:$(git rev-parse --short HEAD) \
+            --provider=generic \
+            --reproducible \
+            --path="." \
+            --source="$(git config --get remote.origin.url)" \
+            --revision="$(git branch --show-current)/$(git rev-parse HEAD)"
+          flux tag artifact oci://${container_registry}/${artifact_name}:$(git rev-parse --short HEAD) \
+            --provider=generic \
+            --tag latest
+  release:
+    name: Build release from tag
+    if: startsWith(github.ref, 'refs/tags/kustomize-dis-apim-')
+    defaults:
+      run:
+        working-directory: ./services/dis-apim-operator/config
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup flux
+        uses: fluxcd/flux2/action@3b42b200d376430f0e24d35f1a600447d92da531
+        with:
+          version: latest
+      - name: Setup vars
+        id: vars
+        run: |
+          tag=${GITHUB_REF/refs\/tags\/kustomize-dis-apim-/}
+          echo "reponame=${GITHUB_REPOSITORY,,}" >> ${GITHUB_OUTPUT}
+          echo "tag=${tag}" >> $GITHUB_OUTPUT
+      - name: Build release artifact
+        run: |
+          echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+          container_registry=ghcr.io/${{ steps.vars.outputs.reponame }}
+          artifact_name=${{ env.ARTIFACT_NAME }}
+          flux push artifact oci://${container_registry}/${artifact_name}:$(git rev-parse --short HEAD) \
+              --provider=generic \
+              --reproducible \
+              --path="." \
+              --source="$(git config --get remote.origin.url)" \
+              --revision="$(git branch --show-current)/$(git rev-parse HEAD)"
+          flux tag artifact oci://${container_registry}/${artifact_name}:$(git rev-parse --short HEAD) \
+              --provider=generic \
+              --tag ${{ steps.vars.outputs.tag }}