Add workflows to create releases and build Docker images

.github/workflows/build-push-attest-docker.yml

@@ -0,0 +1,60 @@
+name: Publish Docker Image
+
+on:
+  workflow_call:
+    inputs:
+      release:
+        required: true
+        type: string
+
+jobs:
+  publish:
+    name: Publish Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.release }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern=v{{version}},value=${{ inputs.release }}
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: |
+            ghcr.io/${{ github.repository }}:latest
+            ghcr.io/${{ github.repository }}:${{ inputs.release }}
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ghcr.io/${{ github.repository }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

.github/workflows/create-release.yml

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+name: Create Release
+on:
+  workflow_call:
+
+jobs:
+  create_release:
+    name: Create Release
+    runs-on: ubuntu-latest
+    outputs:
+      new_tag: ${{ steps.tag_version.outputs.new_tag }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Bump version and push tag
+        id: tag_version
+        uses: mathieudutour/github-tag-action@v6.2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          default_bump: minor
+
+      - name: Create a GitHub release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: ${{ steps.tag_version.outputs.new_tag }}
+          name: ${{ steps.tag_version.outputs.new_tag }}
+          body: ${{ steps.tag_version.outputs.changelog }}
+          generateReleaseNotes: true