- Created Express application in backend/src/server.js
- Installed dependencies: express, cors, helmet, dotenv, express-validator
- Installed dev dependencies: nodemon, eslint, globals
- Configured middleware: CORS (frontend origin), Helmet (security), JSON parser
- Loaded environment configuration via dotenv
- Server listens on port from API_PORT env variable (default: 3001)
- Implemented error handling middleware for validation and server errors
- Created health check endpoint: GET /api/health returns status and timestamp
- Added npm scripts: dev (nodemon), start (production), lint
- Configured ESLint for Node.js/Express with CommonJS
- Created backend/.env with all required environment variables
All acceptance criteria met:
✅ Express application created in backend/src/server.js
✅ All required dependencies installed
✅ Middleware configured (CORS, Helmet, JSON parser)
✅ Environment configuration via dotenv
✅ Server listens on env port
✅ Error handling middleware implemented
✅ Health check endpoint working
✅ Package.json scripts: dev, start, lint
✅ ESLint configured for Node.js/Express
Tested and verified:
- ESLint passes with no errors
- Server starts successfully
- Health endpoint returns correct JSON
- Changed default port to 3001 (3000 occupied)
🤖 Generated with Claude Code (https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
