Merge pull request #350 from Emins25/codex/bounty-167

ci: add backend build-test-deploy workflow

Author: Otaiki1

.github/workflows/backend.yml

@@ -0,0 +1,71 @@
+name: Backend CI/CD
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - "backend/**"
+      - ".github/workflows/backend.yml"
+  pull_request:
+    branches:
+      - main
+      - master
+    paths:
+      - "backend/**"
+      - ".github/workflows/backend.yml"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build-and-test:
+    name: Build and Test Backend
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: "pnpm"
+          cache-dependency-path: backend/pnpm-lock.yaml
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm run build
+
+      - name: Test
+        run: pnpm run test -- --ci
+
+  deploy:
+    name: Deploy Backend
+    needs: build-and-test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')
+
+    steps:
+      - name: Deploy to Railway (deploy hook)
+        if: ${{ secrets.RAILWAY_DEPLOY_HOOK_URL != '' }}
+        env:
+          RAILWAY_DEPLOY_HOOK_URL: ${{ secrets.RAILWAY_DEPLOY_HOOK_URL }}
+        run: curl -fsSL -X POST "$RAILWAY_DEPLOY_HOOK_URL"
+
+      - name: Skip deploy when hook is missing
+        if: ${{ secrets.RAILWAY_DEPLOY_HOOK_URL == '' }}
+        run: echo "No RAILWAY_DEPLOY_HOOK_URL configured. Skipping deploy."