ci: docker build

.github/FUNDING.yml

@@ -1,3 +1,2 @@
-patreon: vas3k
 ko_fi: vas3k
-custom: ['https://vas3k.com/donate/', 'https://paypal.me/vas3kcom']
+custom: ["https://vas3k.com/donate/", "https://paypal.me/vas3kcom"]

.github/workflows/docker-release.yml

@@ -0,0 +1,72 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  build-and-push:
+    name: Build and Push to GHCR
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - 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: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Get release
+        id: get_release
+        uses: bruceadams/get-release@v1.3.2
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
+      - name: Attach image to release
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const fs = require('fs');
+            const release_id = '${{ steps.get_release.outputs.id }}';
+            const tag_name = '${{ github.ref_name }}';
+            const image_name = 'ghcr.io/${{ github.repository }}:${{ github.ref_name }}';
+
+            await github.rest.repos.updateRelease({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              release_id: release_id,
+              body: `Docker image: \`${image_name}\`\n\nAlso available as \`ghcr.io/${{ github.repository }}:latest\``
+            });
+
+            console.log(`Updated release ${release_id} with Docker image information`);