Add GitHub Actions workflow for AWS ECR deployment

.github/workflows/build-push-ecr.yml

@@ -0,0 +1,62 @@
+name: Build and Push to AWS ECR
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, closed]
+  workflow_dispatch:
+
+env:
+  AWS_REGION: us-east-1
+  ECR_REPOSITORY: zerodev/passkey-server
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: arn:aws:iam::117243983517:role/zerodev-gha
+          role-session-name: GitHubActions-${{ github.run_id }}
+          aws-region: ${{ env.AWS_REGION }}
+
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v2
+        with:
+          registries: "352956043285"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}
+          tags: |
+            type=sha,prefix=${{ github.event.pull_request.head.ref }}-,enable={{is_not_default_branch}}
+            type=sha,prefix=,enable={{is_default_branch}}
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          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