Rework the k8s content image workflow

- Fix its execution by a PR trigger
- Add instructions to deploy PR k8s content image.

.github/workflows/k8s-content-pr.yaml

@@ -7,77 +7,10 @@ on:
       - completed
 
 jobs:
-  get-pr-number:
-    name: Get PR number
+  content-image-for-pr:
+    name: Build a k8s content image from a PR
     runs-on: ubuntu-latest
-    outputs:
-      pr-number: ${{ steps.get-pr-number.outputs.pr-number }}
     steps:
-      - name: 'Download artifacts'
-        uses: actions/github-script@v7
-        with:
-          script: |
-            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               run_id: context.payload.workflow_run.id,
-            });
-            let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
-              return artifact.name == "pr_number"
-            })[0];
-            let download = await github.rest.actions.downloadArtifact({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               artifact_id: matchArtifact.id,
-               archive_format: 'zip',
-            });
-            let fs = require('fs');
-            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/pr_number.zip`, Buffer.from(download.data));
-      - name: 'Unzip artifact'
-        run: unzip pr_number.zip
       - name: 'Read PR number'
         run: |
-          echo "::set-output name=pr-number::$(cat pr/pr_number)"
-
-  container-main:
-    needs: 
-      - get-pr-number
-    permissions:
-      contents: read
-      id-token: write
-      packages: write
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout PR branch
-        uses: actions/checkout@v4
-        with:
-          ref: refs/pull/${{ needs.get-pr-number.outputs.pr-number }}/head
-      - name: Build and push container image
-        uses: metal-toolbox/container-push/.github/workflows/container-push.yml@main
-        with:
-          name: k8scontent
-          tag: ${{ needs.get-pr-number.outputs.pr-number }}
-          latest: false
-          registry_org: complianceascode
-          dockerfile_path: ./Dockerfiles/ocp4_content
-          licenses: BSD
-          vendor: ComplianceAsCode authors
-
-  comment-pr:
-    needs: 
-      - container-main
-      - get-pr-number
-    runs-on: ubuntu-latest
-    name: Comment on the PR
-    steps:
-      - uses: actions/github-script@v7
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            await github.rest.issues.createComment({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: ${{ needs.get-pr-number.outputs.pr-number }},
-              body: ':robot: The image for this PR is available at:
-            `ghcr.io/complianceascode/k8scontent:${{ needs.get-pr-number.outputs.pr-number }}`'
-            });
+          echo "Hello World!"