From 9a8c24e70cc4d812a12d1d82e71e1111f7465d1f Mon Sep 17 00:00:00 2001
From: Daniel Pupius <dan@pupi.us>
Date: Mon, 9 Sep 2024 14:16:51 -0700
Subject: [PATCH] Github action that publishes docker image

---
 .dockerignore                               |  1 +
 .github/workflows/publish-docker-image.yaml | 50 +++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 .github/workflows/publish-docker-image.yaml

diff --git a/.dockerignore b/.dockerignore
index c1a2d10..67a7b35 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -6,6 +6,7 @@
 **/.env
 **/.envrc
 **/.git
+**/.github
 **/.gitignore
 **/.project
 **/.settings
diff --git a/.github/workflows/publish-docker-image.yaml b/.github/workflows/publish-docker-image.yaml
new file mode 100644
index 0000000..a72dc20
--- /dev/null
+++ b/.github/workflows/publish-docker-image.yaml
@@ -0,0 +1,50 @@
+name: Publish a Docker image
+on:
+  push:
+    branches: ["release"]
+
+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@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        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@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - 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