Add quickstart builder action (#558)

add quickstart builder action

.github/workflows/build-quickstart-image.yml

@@ -0,0 +1,66 @@
+name: Build Quickstart Docker Image
+
+on:
+  push:
+    branches: [ "main" ]
+    tags: [ 'v*.*.*' ]
+    paths-ignore: [ "/docs" ]
+
+  pull_request:
+    branches: [ "main" ]
+    paths:
+    # Unless the Dockerfile itself has changed, testing whether a build passes
+    # on a PR doesn’t tell us much that faster CI/CD workflows don’t already.
+    - '.github/workflows/build-quickstart-image.yml'
+    - 'docker/quickstart/*'
+
+env:
+  IMAGE_NAME: plane/quickstart
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Depot
+        uses: depot/setup-action@v1
+
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log into registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha,enable=true,priority=100,prefix=sha-,suffix=,format=short
+            type=semver,pattern={{version}}
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: depot/build-push-action@v1
+        with:
+          context: "."
+          file: "docker/quickstart/Dockerfile"
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != 'drifting-in-space/plane' && 'linux/amd64' || 'linux/amd64,linux/arm64' }}
+          buildx-fallback: true
+          project: 58j0517pw2