Start building and publishing docker images by GitHub Actions.

.github/workflows/docker-image.yml

@@ -0,0 +1,52 @@
+name: Docker Image CI
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-beta.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-alpha.[0-9]+'
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        uses: docker/metadata-action@v3
+        id: meta
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}},event=tag
+            type=semver,pattern={{major}}.{{minor}},event=tag
+            type=raw,latest,enable={{is_default_branch}}
+            type=raw,latest,event=pr
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: ${{ github.event_name == 'push' }}
+          platforms: linux/amd64, linux/arm64/v8
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}