diff --git a/.github/workflows/deploy-ecs.yml b/.github/workflows/deploy-ecs.yml
new file mode 100644
index 0000000000..05d93bba10
--- /dev/null
+++ b/.github/workflows/deploy-ecs.yml
@@ -0,0 +1,120 @@
+name: Deploy to AWS ECS 
+on:
+  push:
+    branches:
+      - staging-alt3 
+
+# used to configure IAM to trust Github's OIDC provider
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  set_environment:
+    name: Set environment for deployment 
+    description: Sets the environment for the deployment, which is the same as the branch name 
+    outputs:
+      current_env: ${{ steps.set_environment.outputs.current_env }}
+    runs-on: ubuntu-latest
+    steps:
+      - id: set_environment
+        run: echo "current_env=${{github.ref_name}}" >> $GITHUB_OUTPUT
+
+  deploy:
+    name: Deploy to ECS
+    needs: set_environment
+    runs-on: ubuntu-latest
+    environment: ${{ needs.set_environment.outputs.current_env }}
+    env:
+      IMAGE_TAG: github-actions-${{ github.sha }}-${{ github.run_id }}-${{github.run_attempt}}
+      CURRENT_ENV: ${{ needs.set_environment.outputs.current_env }} 
+    steps:
+      - name: Checkout branch source code into runner environment 
+        description: Required for the frontend build env vars 
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup secrets for datadog sourcemap deployment
+        run: |
+          echo "APP_VERSION=$(jq -r .version package.json)-$(echo ${GITHUB_REF##*/})-$(echo ${GITHUB_SHA} | cut -c1-8)" >> $GITHUB_ENV
+
+      - name: Inject frontend build env vars
+        env:
+          VITE_APP_DD_RUM_APP_ID: ${{ secrets.DD_RUM_APP_ID }}
+          VITE_APP_DD_RUM_CLIENT_TOKEN: ${{ secrets.DD_RUM_CLIENT_TOKEN }}
+          VITE_APP_DD_RUM_ENV: ${{ secrets.DD_ENV }}
+          VITE_APP_DD_SAMPLE_RATE: ${{ secrets.DD_SAMPLE_RATE }}
+          VITE_APP_GA_TRACKING_ID: ${{ secrets.GA_TRACKING_ID }}
+          VITE_APP_FORMSG_SDK_MODE: ${{ secrets.REACT_APP_FORMSG_SDK_MODE }}
+          VITE_APP_URL: ${{ secrets.APP_URL }}
+        run: |
+          sed -i -e "s|@VITE_APP_URL|${{secrets.APP_URL}}|g" -e "s/@VITE_APP_DD_RUM_APP_ID/$VITE_APP_DD_RUM_APP_ID/g" -e "s/@VITE_APP_DD_RUM_CLIENT_TOKEN/$VITE_APP_DD_RUM_CLIENT_TOKEN/g" -e "s/@VITE_APP_DD_RUM_ENV/$VITE_APP_DD_RUM_ENV/g" -e "s/@VITE_APP_VERSION/${{env.APP_VERSION}}/g" -e "s/@VITE_APP_DD_SAMPLE_RATE/$VITE_APP_DD_SAMPLE_RATE/g" frontend/datadog-chunk.ts
+          echo VITE_APP_VERSION=${{env.APP_VERSION}} > frontend/.env
+          echo VITE_APP_URL=$VITE_APP_URL > frontend/.env
+          echo VITE_APP_GA_TRACKING_ID=$VITE_APP_GA_TRACKING_ID >> frontend/.env
+          echo VITE_APP_FORMSG_SDK_MODE=$VITE_APP_FORMSG_SDK_MODE >> frontend/.env
+          echo VITE_APP_DD_RUM_CLIENT_TOKEN=$VITE_APP_DD_RUM_CLIENT_TOKEN >> frontend/.env
+          echo VITE_APP_DD_RUM_ENV=$VITE_APP_DD_RUM_ENV >> frontend/.env
+
+      - name: Configure AWS credentials
+        description: Configures the runner environment with AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        env: 
+          AWS_REGION: ${{ secrets.DEFAULT_AWS_REGION }}
+        with:
+          role-to-assume: ${{ secrets.AWS_CI_ROLE_TO_ASSUME }}
+          aws-region: ${{ env.AWS_REGION }}
+
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        env: 
+          DD_API_KEY: ${{ secrets.DD_API_KEY }}
+          DD_ENV: ${{ secrets.DD_ENV }}
+          ECR_REPOSITORY: ${{ secrets.ECR_REPO }}-${{ env.CURRENT_ENV }}
+        with:
+          context: .  
+          file: Dockerfile.production
+          push: true
+          tags: |
+            ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:${{ env.IMAGE_TAG }}
+            ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:latest
+          build-args: |
+            APP_VERSION=${{  env.APP_VERSION  }}
+            APP_URL=${{  secrets.APP_URL  }}
+            REPO_URL=${{  github.server_url  }}/${{  github.repository  }}
+          secrets: |
+            "dd_api_key=${{ secrets.DD_API_KEY }}"
+
+      - name: Fill in the new image ID in the Amazon ECS task definition
+        description: Create a new task definition file with the image to be deployed
+        id: task-def
+        env: 
+          ECS_TASK_DEFINITION: ecs-task-definition.json
+          CONTAINER_NAME: formsg-app
+        uses: aws-actions/amazon-ecs-render-task-definition@c804dfbdd57f713b6c079302a4c01db7017a36fc
+        with:
+          task-definition: ${{ env.ECS_TASK_DEFINITION }}
+          container-name: ${{ env.CONTAINER_NAME }}
+          image: ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:${{ env.IMAGE_TAG }}
+          environment-variables: |
+            ENV_TYPE=${{ contains(env.CURRENT_ENV, 'staging') && 'staging' || contains(env.CURRENT_ENV, 'prod') && 'prod' || contains(env.CURRENT_ENV, 'uat') && 'uat' || env.CURRENT_ENV }}
+            ENV_SITE_NAME=${{ env.CURRENT_ENV }} 
+
+      - name: Deploy Amazon ECS task definition
+        env:    # For ECS deployment 
+          ECS_SERVICE: ${{ sectets.ECS_SERVICE }} 
+          ECS_CLUSTER: ${{ secrets.ECS_CLUSTER }} 
+        uses: aws-actions/amazon-ecs-deploy-task-definition@df9643053eda01f169e64a0e60233aacca83799a
+        with:
+          task-definition: ${{ steps.task-def.outputs.task-definition }}
+          service: ${{ env.ECS_SERVICE }}
+          cluster: ${{ env.ECS_CLUSTER }}
+          wait-for-service-stability: true
\ No newline at end of file
diff --git a/ecs-task-definition.json b/ecs-task-definition.json
new file mode 100644
index 0000000000..f8164adcf0
--- /dev/null
+++ b/ecs-task-definition.json
@@ -0,0 +1,17 @@
+
+{ 
+  "containerDefinitions": [
+    {
+      "name": "formsg-app",
+      "essential": true,
+      "command": "/bin/sh -c \"./generate-env-from-ecs-params.sh && npm start\"",
+      "portMappings": [
+        { "containerPort": 3000 }
+      ]
+    }
+  ], 
+  "family": "formsg-app", 
+  "requiresCompatibilities": [
+    "FARGATE"
+  ] 
+}
\ No newline at end of file
diff --git a/generate-env-from-ecs-params.sh b/generate-env-from-ecs-params.sh
new file mode 100644
index 0000000000..72100fade9
--- /dev/null
+++ b/generate-env-from-ecs-params.sh
@@ -0,0 +1,31 @@
+TARGET_DIR=/etc/formsg
+ENV_TYPE=$ENV_TYPE
+ENV_SITE_NAME=$ENV_SITE_NAME
+
+# create target dir if not exist 
+echo "Checking if ${TARGET_DIR} exists..."
+if [ ! -d ${TARGET_DIR} ]; then
+    echo "Creating directory ${TARGET_DIR} ..."
+    mkdir -p ${TARGET_DIR}
+    if [ $? -ne 0 ]; then
+        echo 'ERROR: Directory creation failed!'
+        exit 1
+    fi
+else
+    echo "Directory ${TARGET_DIR} already exists!"
+fi
+
+echo "${ENV_TYPE}-general" > $TARGET_DIR/.env
+echo "${ENV_TYPE}-captcha" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-turnstile" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-ga" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-intranet" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-sms" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-ndi" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-verified-fields" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-webhook-verified-content" >> $TARGET_DIR/.env
+echo "${ENV_TYPE}-wogaa" >> $TARGET_DIR/.env
+echo "${ENV_SITE_NAME}-sgid" >> $TARGET_DIR/.env
+echo "${ENV_SITE_NAME}-payment" >> $TARGET_DIR/.env
+echo "${ENV_SITE_NAME}-cron-payment" >> $TARGET_DIR/.env
+echo "${ENV_SITE_NAME}-openai" >> $TARGET_DIR/.env