ci: add docker build and push

.github/workflows/docker.yml

@@ -0,0 +1,27 @@
+name: Docker
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Log into GitHub Container Registry
+        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+        
+      - name: Get the package.json version
+        id: package-version
+        run: echo ::set-output name=version::$(jq -r .version package.json)
+      - name: Build the Docker image
+        run: docker build . --file Dockerfile --tag ghcr.io/${{ github.repository }}:${{ steps.package-version.outputs.version }}
+      - name: Tag the Docker image
+        run: docker tag ghcr.io/${{ github.repository }}:${{ steps.package-version.outputs.version }} ghcr.io/${{ github.repository }}:latest
+      - name: Push the Docker image
+        run: docker push ghcr.io/${{ github.repository }} --all-tags
+        
+