feat: add staging environment infrastructure including CI pipeline, c…

.github/workflows/staging.yml

@@ -0,0 +1,23 @@
+name: Staging Deployment
+on:
+  push:
+    branches:
+      - staging
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: |
+          cd listener
+          npm ci
+          npm run build
+      - run: |
+          cd dashboard
+          npm ci
+          npm run build
+      - run: |
+          bash scripts/health-check.sh http://localhost:3000/health

README.md

@@ -475,3 +475,9 @@ This project is licensed under the MIT License.
 NotifyChain is built to simplify event-driven blockchain development by bridging smart contract events with off-chain automation and notification systems.
 
 Built on [Stellar](https://www.stellar.org/) and [Soroban](https://soroban.stellar.org/).
+
+## Staging Environment Instructions
+To run the staging environment locally:
+1. Export environment variables: `export $(cat listener/.env.staging | xargs)`
+2. Build and run listener: `cd listener && npm ci && npm run build && npm start`
+3. Run health check: `./scripts/health-check.sh`

dashboard/.env.staging

@@ -0,0 +1,2 @@
+VITE_API_URL=http://localhost:3000
+VITE_ENV=staging

listener/.env.staging

@@ -0,0 +1,4 @@
+PORT=3000
+NODE_ENV=staging
+STELLAR_NETWORK=testnet
+RPC_URL=https://soroban-testnet.stellar.org

scripts/health-check.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+TARGET_URL=${1:-"http://localhost:3000/health"}
+STATUS=$(curl -s -o /dev/null -w "%{http_code}" "$TARGET_URL")
+if [ "$STATUS" -eq 200 ]; then
+  exit 0
+else
+  exit 1
+fi