Hello DevOps

.github/workflows/ci.yml

@@ -0,0 +1,59 @@
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  lint:
+    name: Lint Code
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run linter
+        run: npm run lint
+
+  docker:
+    name: Build & Push Docker Image
+    runs-on: ubuntu-latest
+    needs: lint
+    permissions:
+      contents: read
+      packages: write   # needed for GHCR push
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }} ## {{ github.repository }} expands to <org>/<repo> automatically
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.gitignore

@@ -1 +1,56 @@
-.DS_Store
+.DS_Store
+# Node modules
+node_modules/
+
+# Logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Dependency directories
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# dotenv environment variables
+.env
+.env.test
+.env.local
+.env.*.local
+
+# Build directories
+dist/
+build/
+out/
+
+# Coverage
+coverage/
+
+# IDE/Editor
+.vscode/
+.idea/
+*.swp
+*.swo
+.DS_Store
+
+# Docker
+*.local
+docker-compose.override.yml

Dockerfile

@@ -0,0 +1,42 @@
+# Stage 1: Build (includes devDependencies like eslint)
+FROM node:22-alpine AS build
+
+WORKDIR /usr/src/app
+
+# Copy package.json and lock file first
+COPY package*.json ./
+
+# Install all deps (including dev)
+RUN npm install
+
+# Copy source code
+COPY . .
+
+# Run lint in build stage (optional safety net, CI already does this)
+RUN npm run lint
+
+
+# Stage 2: Production runtime
+FROM node:22-alpine AS runtime
+
+WORKDIR /usr/src/app
+
+# Only copy production dependencies
+COPY package*.json ./
+RUN npm install --production
+
+# Copy only necessary files from build stage
+COPY --from=build /usr/src/app ./
+
+# Run as non-root user (security best practice)
+RUN addgroup -S app && adduser -S app -G app
+USER app
+
+ENV NEW_RELIC_NO_CONFIG_FILE=true
+ENV NEW_RELIC_DISTRIBUTED_TRACING_ENABLED=true
+ENV NEW_RELIC_LOG=stdout
+# Expose app port
+EXPOSE 3000
+
+# Start the app
+CMD ["node", "index.js"]

eslint.config.mjs

@@ -0,0 +1,7 @@
+import globals from "globals";
+import { defineConfig } from "eslint/config";
+
+export default defineConfig([
+  { files: ["**/*.js"], languageOptions: { sourceType: "commonjs" } },
+  { files: ["**/*.{js,mjs,cjs}"], languageOptions: { globals: globals.browser } },
+]);

index.js

@@ -1,3 +1,4 @@
+require('newrelic');
 const http = require('http');
 const port = process.env.PORT || 3000;
 
@@ -7,6 +8,10 @@ const server = http.createServer((req, res) => {
   res.end(msg);
 });
 
-server.listen(port, () => {
-  console.log(`Server running on http://localhost:${port}/`);
+server.on('request', (req, res) => {
+  console.log(`${new Date().toISOString()} ${req.method} ${req.url}`);
+});
+
+server.listen(port, '0.0.0.0', () => {
+  console.log(`Server running on http://0.0.0.0:${port}/`);
 });