fix: update CI/CD workflow to use fixed Node.js version and improve Dockerfile structure

feat: add health check button to index.html for server status verification

Author: DilshanX09

.github/workflows/build.yml

@@ -23,9 +23,10 @@ jobs:
           --health-timeout 5s
           --health-retries 5
 
-    strategy:
-      matrix:
-        node-version: [22.x, 24.x]
+    # Uncomment the following lines to run tests on multiple Node.js versions
+    # strategy:
+    #   matrix:
+    #     node-version: [22.x, 24.x]
 
     steps:
       - name: Checkout code to runner
@@ -34,7 +35,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: "${{ matrix.node-version }}"
+          node-version: "22"
 
       - name: Install dependencies
         run: npm install

Dockerfile

@@ -5,19 +5,18 @@ WORKDIR /app
 
 # Set environment variables for the application
 ENV PORT=80
+ENV NODE_ENV=production
 
 # Copy package.json and Prisma schema files to the container
 COPY package*.json ./
-COPY prisma ./
+COPY prisma ./prisma/
 
-RUN npm install
+# Install dependencies and generate Prisma client
+RUN npm ci --only=production && npx prisma generate
 
 # Copy the rest of the application code
 COPY . .
 
-# Validate the Prisma schema and generate the Prisma client
-RUN npx prisma generate
-
 # Expose the application port
 EXPOSE 80
 

docs/diagrams/diagram.png

@@ -63,6 +63,10 @@ <h2>Welcome to the Express Server</h2>
     <p><span class="bold">DELETE</span> /api/users/:id - Delete a specific user by ID.</p>
     <p><span class="bold">GET</span> /health - Check the health status of the server.</p>
   </div>
+  <p style="width: 600px;font-size: 13px;padding-top: 20px;">
+    Click the button below to check the health of the server. It will redirect you to the /health endpoint where
+    you can see the server status and latest update information.
+  </p>
   <button onclick="window.location.href='/health'"
     style="background-color: #212121;color: #ffff; outline: none; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; margin-top: 20px;">
     Check server health