Add GitHub Actions workflow to build and push Docker image (GHCR & Docker Hub)

Author: fansichen421

.github/workflows/docker-publish.yml

@@ -0,0 +1,54 @@
+name: Build and publish Docker image
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    env:
+      DOCKERHUB_REPO: fansichen421/lightllm
+      GHCR_REPO: ghcr.io/${{ github.repository_owner }}/lightllm
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GHCR (using GITHUB_TOKEN)
+        if: ${{ secrets.GITHUB_TOKEN != '' }}
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Login to Docker Hub
+        if: ${{ secrets.DOCKERHUB_USERNAME != '' && secrets.DOCKERHUB_TOKEN != '' }}
+        uses: docker/login-action@v2
+        with:
+          registry: docker.io
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push multi-platform image
+        uses: docker/build-push-action@v4
+        with:
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ${{ env.DOCKERHUB_REPO }}:latest
+            ${{ env.DOCKERHUB_REPO }}:${{ github.sha }}
+            ${{ env.GHCR_REPO }}:latest
+            ${{ env.GHCR_REPO }}:${{ github.sha }}
+          cache-from: type=registry,ref=${{ env.DOCKERHUB_REPO }}:cache
+          cache-to: type=inline