Add release CI/CD

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: Release to GCP
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
+    env:
+      DOCKER_REGISTRY: us-docker.pkg.dev
+
+    steps:
+    - uses: 'actions/checkout@v4'
+
+    - name: Authenticate to GCP using Workload Identity Federation
+      uses: google-github-actions/auth@v2
+      with:
+        workload_identity_provider: '${{ secrets.WORKLOAD_IDENTITY_PROVIDER }}'
+        service_account: '${{ secrets.SERVICE_ACCOUNT }}'
+
+    - name: Build op-proposer
+      run: |
+        cd programs/proposer
+        cargo build --release
+
+    - name: Push to GCP
+      run: |
+        gcloud auth configure-docker $DOCKER_REGISTRY
+        docker build -f Dockerfile.op_proposer -t $$DOCKER_REGISTRY/${{ secrets.GCP_PROJECT_ID }}/op-succinct-proposer:${{ github.ref_name }} .
+        docker push $$DOCKER_REGISTRY/${{ secrets.GCP_PROJECT_ID }}/op-succinct-proposer:${{ github.ref_name }}
+      working-directory: proposer/op