docs: describe the system that exists, not the one we started with
The README still opened on "Primary School Compass", a KS2 tool for Wandsworth and Merton served by FastAPI and vanilla JavaScript with Chart.js. Every layer of that sentence is now wrong: coverage is England-wide across KS2, KS4, all-through and post-16, Next.js owns the public UI, and school data comes from dbt-built `marts.*` rather than CSVs loaded at startup. The setup instructions walked a reader into a virtualenv and a CSV import that cannot build the current schema, so following the docs produced an empty database and a wrong mental model at the same time. Replace the narrative docs with two reference documents that were checked against the code: docs/ARCHITECTURE.md for request flow, data ownership, the backend/frontend module boundaries and the real publication sequence, and docs/DEVELOPMENT.md for the checks that actually run, including the container and CI version skew that makes "just run pytest" misleading. The env examples drifted the same way. ALLOWED_ORIGINS is a JSON array, not a comma-separated list; the frontend needs FASTAPI_URL, DATABASE_URL and PAYLOAD_SECRET, none of which were documented; and RATE_LIMIT_BURST, DEFAULT_PAGE_SIZE and MAX_PAGE_SIZE were presented as tuning controls the routes do not consult. Each is now stated as it behaves. MIGRATION_SUMMARY.md keeps its content but gains a banner, because it reads like setup instructions and is not. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016y2J6bs8gbuSJbH18w7Tan
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# Deployment Guide
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# Frontend deployment
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This guide covers deployment options for the SchoolCompare Next.js application.
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Next.js and Payload run in the same frontend container. The maintained deployment
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procedure is [docs/DEPLOY.md](../docs/DEPLOY.md), with the production and staging
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Portainer compose files at the repository root.
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## Deployment Options
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The frontend Dockerfile builds a standalone Next.js image. Runtime configuration
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supplies `FASTAPI_URL`, `DATABASE_URL` and `PAYLOAD_SECRET`; uploaded CMS media is
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persisted in a volume. Promote the built image through the repository's Gitea
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workflow after human staging approval.
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### Option 1: Vercel (Recommended for Next.js)
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Vercel is the easiest and most optimized platform for Next.js applications.
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#### Steps:
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1. **Install Vercel CLI**:
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```bash
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npm install -g vercel
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```
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2. **Login to Vercel**:
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```bash
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vercel login
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```
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3. **Deploy**:
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```bash
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vercel --prod
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```
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4. **Configure Environment Variables** in Vercel dashboard:
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- `NEXT_PUBLIC_API_URL`: Your FastAPI endpoint (e.g., `https://api.schoolcompare.co.uk/api`)
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- `FASTAPI_URL`: Same as above for server-side requests
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#### Benefits:
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- Automatic HTTPS
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- Global CDN
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- Zero-config deployment
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- Automatic preview deployments
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- Built-in analytics
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---
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### Option 2: Docker (Self-hosted)
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Deploy using Docker containers for full control.
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#### Prerequisites:
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- Docker 20+
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- Docker Compose 2+
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#### Steps:
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1. **Build Docker Image**:
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```bash
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docker build -t schoolcompare-nextjs:latest .
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```
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2. **Run with Docker Compose**:
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```bash
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# Create .env file with production variables
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echo "NEXT_PUBLIC_API_URL=https://api.schoolcompare.co.uk/api" > .env
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echo "FASTAPI_URL=http://backend:8000/api" >> .env
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# Start services
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docker-compose up -d
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```
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3. **Verify Deployment**:
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```bash
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curl http://localhost:3000
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```
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#### Environment Variables:
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- `NEXT_PUBLIC_API_URL`: Public API endpoint (client-side)
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- `FASTAPI_URL`: Internal API endpoint (server-side)
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- `NODE_ENV`: `production`
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---
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### Option 3: PM2 (Node.js Process Manager)
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Deploy directly on a Node.js server using PM2.
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#### Prerequisites:
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- Node.js 24+
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- PM2 (`npm install -g pm2`)
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#### Steps:
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1. **Build Application**:
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```bash
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npm run build
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```
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2. **Create PM2 Ecosystem File** (`ecosystem.config.js`):
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```javascript
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module.exports = {
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apps: [{
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name: 'schoolcompare-nextjs',
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script: 'npm',
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args: 'start',
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cwd: '/path/to/nextjs-app',
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instances: 'max',
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exec_mode: 'cluster',
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env: {
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NODE_ENV: 'production',
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PORT: 3000,
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NEXT_PUBLIC_API_URL: 'https://api.schoolcompare.co.uk/api',
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FASTAPI_URL: 'http://localhost:8000/api',
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},
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}],
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};
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```
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3. **Start with PM2**:
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```bash
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pm2 start ecosystem.config.js
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pm2 save
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pm2 startup
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```
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---
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### Option 4: Nginx Reverse Proxy
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Use Nginx as a reverse proxy in front of Next.js.
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#### Nginx Configuration:
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```nginx
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server {
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listen 80;
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server_name schoolcompare.co.uk;
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# Redirect to HTTPS
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return 301 https://$server_name$request_uri;
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}
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server {
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listen 443 ssl http2;
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server_name schoolcompare.co.uk;
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# SSL Configuration
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ssl_certificate /etc/ssl/certs/schoolcompare.crt;
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ssl_certificate_key /etc/ssl/private/schoolcompare.key;
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# Security Headers
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# frame-ancestors replaces X-Frame-Options so the analytics subdomain
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# (Umami heatmap/recorder) can embed the site in an iframe.
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add_header Content-Security-Policy "frame-ancestors 'self' https://analytics.schoolcompare.co.uk" always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header X-XSS-Protection "1; mode=block" always;
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# Proxy to Next.js
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location / {
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proxy_pass http://localhost:3000;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection 'upgrade';
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proxy_set_header Host $host;
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proxy_cache_bypass $http_upgrade;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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# Proxy to FastAPI
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location /api/ {
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proxy_pass http://localhost:8000;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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# Cache static files
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location /_next/static/ {
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proxy_pass http://localhost:3000;
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add_header Cache-Control "public, max-age=31536000, immutable";
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}
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}
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```
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---
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## Pre-Deployment Checklist
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- [ ] Run `npm run build` successfully
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- [ ] Run `npm test` - all tests pass
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- [ ] Environment variables configured
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- [ ] FastAPI backend accessible
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- [ ] Database migrations applied
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- [ ] SSL certificates configured (production)
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- [ ] Domain DNS configured
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- [ ] Monitoring/logging set up
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- [ ] Backup strategy in place
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---
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## Post-Deployment Verification
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1. **Health Check**:
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```bash
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curl https://schoolcompare.co.uk
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```
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2. **Test Routes**:
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- Home: `https://schoolcompare.co.uk/`
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- School Page: `https://schoolcompare.co.uk/school/100001`
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- Compare: `https://schoolcompare.co.uk/compare`
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- Rankings: `https://schoolcompare.co.uk/rankings`
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3. **Check SEO**:
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- Sitemap: `https://schoolcompare.co.uk/sitemap.xml`
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- Robots: `https://schoolcompare.co.uk/robots.txt`
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4. **Performance Audit**:
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- Run Lighthouse in Chrome DevTools
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- Target scores: 90+ for Performance, Accessibility, Best Practices, SEO
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---
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## Monitoring
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### Recommended Tools:
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- **Vercel Analytics** (if using Vercel)
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- **Sentry** for error tracking
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- **Google Analytics** for user analytics
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- **Uptime Robot** for uptime monitoring
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### Health Check Endpoint:
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The application automatically serves health data at the root route.
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---
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## Rollback Procedure
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### Vercel:
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```bash
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vercel rollback
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```
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### Docker:
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```bash
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docker-compose down
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docker-compose up -d --force-recreate
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```
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### PM2:
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```bash
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pm2 stop schoolcompare-nextjs
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# Restore previous build
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pm2 start schoolcompare-nextjs
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```
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---
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## Troubleshooting
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### Issue: API requests failing
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- **Solution**: Check `NEXT_PUBLIC_API_URL` and `FASTAPI_URL` environment variables
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- **Verify**: FastAPI backend is accessible from Next.js container/server
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### Issue: Build fails
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- **Solution**: Check Node.js version (requires 24+)
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- **Clear cache**: `rm -rf .next node_modules && npm install && npm run build`
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### Issue: Slow page loads
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- **Solution**: Enable caching in API calls
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- **Check**: Network latency to FastAPI backend
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- **Verify**: CDN is serving static assets
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---
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## Security Considerations
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- ✅ HTTPS enabled
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- ✅ Security headers configured (X-Frame-Options, CSP, etc.)
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- ✅ API keys in environment variables (never in code)
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- ✅ CORS properly configured
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- ✅ Rate limiting on API endpoints
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- ✅ Regular security updates
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- ✅ Dependency vulnerability scanning
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---
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## Support
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For deployment issues, contact the DevOps team or refer to:
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- [Next.js Deployment Docs](https://nextjs.org/docs/deployment)
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- [Vercel Documentation](https://vercel.com/docs)
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- [Docker Documentation](https://docs.docker.com/)
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Earlier Vercel and standalone deployment recipes have been retired from this file
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because they do not describe the current CMS, persistence and promotion setup.
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See [development](../docs/DEVELOPMENT.md) for checks and
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[publishing](docs/PUBLISHING.md) for CMS operations.
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