ci: Add deploy script

.github/workflows/deploy.yml

@@ -0,0 +1,48 @@
+name: Deploy Staging Frontend
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18
+
+      - name: Check out repository code
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Build code
+        env:
+          CI: ""
+          REACT_APP_STAC_API: ${{ secrets.STAC_API }}
+        run: yarn build
+
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          role-to-assume: ${{ secrets.DEPLOY_ROLE_ARN }}
+          aws-region: us-west-2
+
+      - name: Sync with S3 bucket
+        env:
+          BUCKET: ${{ secrets.S3_BUCKET }}
+        run: |
+          aws s3 sync \
+            ./build "s3://${BUCKET}" \
+            --acl public-read \
+            --follow-symlinks \
+            --delete