From d5ff56014ff0bf6138668a1be7a46f839ded91af Mon Sep 17 00:00:00 2001
From: Leonard Techel <git@barnslig.eu>
Date: Fri, 10 Dec 2021 21:54:58 +0100
Subject: [PATCH] ci: Add workflow that builds and publishes a docker image
 after release

---
 .github/workflows/build-and-push-image.yml | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 .github/workflows/build-and-push-image.yml

diff --git a/.github/workflows/build-and-push-image.yml b/.github/workflows/build-and-push-image.yml
new file mode 100644
index 0000000..02cc8b0
--- /dev/null
+++ b/.github/workflows/build-and-push-image.yml
@@ -0,0 +1,41 @@
+name: Create and publish a Docker image
+
+on:
+  release:
+    types: [published]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}