ci(deploy): Add AWS deployment workflow

.github/workflows/deploy_backend_to_aws.yml

@@ -0,0 +1,39 @@
+name: 🚀 Deploy Web Backend to AWS
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        type: environment
+        default: 'authoring.lara.staging.concord.org'
+        description: CloudFormation stack to deploy to
+        required: true
+      version:
+        default: ''
+        type: string
+        description: >-
+          Application version to deploy (defaults to latest pre-release/release version depending on if stack is a
+          staging or production environment)
+
+env:
+  CONTAINER_IMAGE: ghcr.io/${{ github.repository }}
+  # To use GitHub CLI in a GitHub Actions workflow, set the GH_TOKEN environment variable.
+  GH_TOKEN: ${{ github.token }}
+
+jobs:
+  deploy:
+    name: 🚀 Deploy to '${{ inputs.environment }}'
+    runs-on: ubuntu-latest
+    environment:
+      name: ${{ inputs.environment }}
+      url: https://${{ inputs.environment }}
+    steps:
+      - name: 📥 Checkout project source
+        uses: actions/checkout@v4
+      - name: 🚀 Deploy Rails App
+        uses: concord-consortium/lara/.github/workflows/actions/deploy-rails-app-to-aws@v2
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ vars.AWS_REGION }}
+          cf-stack-name: ${{ vars.CF_STACK_NAME }}