Add CI Workflow for backend

.github/workflows/ci.yml

@@ -0,0 +1,129 @@
+name: CI for Express Backend Servers
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+
+env:
+  NODE_VERSION: "16"
+  COLLABORATION_SERVICE_URL: "http://localhost:8001/api"
+  MATCHING_SERVICE_URL: "http://localhost:8002/api"
+  QUESTION_SERVICE_URL: "http://localhost:8003/api"
+  USER_SERVICE_URL: "http://localhost:8004/api"
+
+jobs:
+  collaboration_service:
+    runs-on: ubuntu-latest
+    name: Collaboration Service
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Install dependencies
+        working-directory: ./collaboration-service
+        run: npm install
+
+      - name: Build the service
+        working-directory: ./collaboration-service
+        run: npm run build
+
+      - name: Start the service
+        working-directory: ./collaboration-service
+        run: |
+          nohup npm run start & sleep 5
+          curl --fail ${{ env.COLLABORATION_SERVICE_URL }} || exit 1
+
+      - name: Stop the service
+        run: pkill node
+
+  matching_service:
+    runs-on: ubuntu-latest
+    name: Matching Service
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Install dependencies
+        working-directory: ./matching-service
+        run: npm install
+
+      - name: Build the service
+        working-directory: ./matching-service
+        run: npm run build
+
+      - name: Start the service
+        working-directory: ./matching-service
+        run: |
+          nohup npm run start & sleep 5
+          curl --fail ${{ env.MATCHING_SERVICE_URL }} || exit 1
+
+      - name: Stop the service
+        run: pkill node
+
+  question_service:
+    runs-on: ubuntu-latest
+    name: Question Service
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Install dependencies
+        working-directory: ./question-service
+        run: npm install
+
+      - name: Build the service
+        working-directory: ./question-service
+        run: npm run build
+
+      - name: Start the service
+        working-directory: ./question-service
+        run: |
+          nohup npm run start & sleep 5
+          curl --fail ${{ env.QUESTION_SERVICE_URL }} || exit 1
+
+      - name: Stop the service
+        run: pkill node
+
+  user_service:
+    runs-on: ubuntu-latest
+    name: User Service
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Install dependencies
+        working-directory: ./user-service
+        run: npm install
+
+      - name: Start the service
+        working-directory: ./user-service
+        run: |
+          nohup npm run start & sleep 5
+          curl --fail ${{ env.USER_SERVICE_URL }} || exit 1
+
+      - name: Stop the service
+        run: pkill node