chore: github action to build docker

.github/workflows/publish-docker-image.yml

@@ -0,0 +1,62 @@
+name: Publish docker image
+
+on:
+  push:
+    branches:
+      - master
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME_SERVER: fkmtime/fkmtime-proxy-server
+  IMAGE_NAME_CLIENT: fkmtime/fkmtime-proxied-nginx
+
+jobs:
+  push:
+    name: Push to ghcr.io
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_SERVER }}
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v6
+        with:
+          context: ./
+          file: Dockerfile
+          target: proxy-server
+          push: true
+          platforms: linux/amd64, linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+      - name: Extract Docker metadata 2
+        id: meta2
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_CLIENT }}
+      - name: Build and push Docker image 2
+        id: build-and-push2
+        uses: docker/build-push-action@v6
+        with:
+          context: ./
+          file: Dockerfile
+          target: proxy-client
+          push: true
+          platforms: linux/amd64, linux/arm64
+          tags: ${{ steps.meta2.outputs.tags }}
+          labels: ${{ steps.meta2.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max