From 56c8c63b4423a08f625468b3bcee2b94a216990b Mon Sep 17 00:00:00 2001
From: Alberto Donato <alberto.donato@gmail.com>
Date: Mon, 16 Dec 2024 18:11:00 +0100
Subject: [PATCH] docker action

---
 .github/workflows/docker-image.yaml | 63 +++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 .github/workflows/docker-image.yaml

diff --git a/.github/workflows/docker-image.yaml b/.github/workflows/docker-image.yaml
new file mode 100644
index 0000000..8e34db9
--- /dev/null
+++ b/.github/workflows/docker-image.yaml
@@ -0,0 +1,63 @@
+name: Docker image
+
+on:
+  push:
+    branches:
+      - main
+      - docker-action # XXX
+  pull_request:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=schedule
+            type=semver,pattern={{version}}
+            type=ref,event=branch
+            type=ref,event=tag
+            type=ref,event=pr
+            type=sha,prefix=sha-
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v2
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true