new workflow to create faas-supervisor-kit image

.github/workflows/main.yaml

@@ -196,3 +196,55 @@ jobs:
           supervisor-alpine-arm64/supervisor-alpine-arm64
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  push_faas_supervisor_kit:
+    if: github.event_name == 'release'
+    needs:
+    - release-assets
+    env:
+      REGISTRY: ghcr.io
+      IMAGE_NAME: grycap/faas-supervisor-kit
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-20.04
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./extra/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            FAAS_VERSION=${{ steps.meta.outputs.version }}
+          
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

faassupervisor-kit/Dockerfile

@@ -0,0 +1,9 @@
+FROM ubuntu:20.04
+
+ARG FAAS_VERSION
+
+RUN apt-get update -y && apt-get upgrade -y
+RUN apt-get install -y wget unzip
+RUN wget  -O supervisor.zip https://github.com/grycap/faas-supervisor/releases/download/$FAAS_VERSION/supervisor.zip
+RUN unzip  supervisor.zip   
+RUN rm supervisor.zip