# Deployment Guide - AI Study Assistant
## 🚀 COMPLETE DEPLOYMENT STRATEGY
---
## 📋 OVERVIEW
This comprehensive guide covers the complete deployment process for the AI Study Assistant project, including development, staging, and production environments, CI/CD pipelines, monitoring, and maintenance procedures.
---
## 🏗️ DEPLOYMENT ARCHITECTURE
### Environment Structure:
```
┌─────────────────────────────────────────────────────┐
│ DEVELOPMENT │
│ • Local development with Firebase emulators │
│ • Hot reload and fast iteration │
│ • Mock data and test environments │
│ • Feature branch testing │
└─────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────┐
│ STAGING │
│ • Pre-production testing environment │
│ • Production-like Firebase project │
│ • Automated testing and validation │
│ • Performance and security testing │
└─────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────┐
│ PRODUCTION │
│ • Live production environment │
│ • High availability and scalability │
│ • Real monitoring and alerting │
│ • User data and production services │
└─────────────────────────────────────────────────────┘
```
---
## 🔧 ENVIRONMENT CONFIGURATION
### 1.1 Development Environment
#### Local Setup:
```bash
# Clone repository
git clone https://github.com/your-org/teachit.git
cd teachit
# Install Flutter dependencies
flutter pub get
# Install Node.js dependencies (for functions)
cd functions
npm install
# Start Firebase emulators
firebase emulators:start
# Run Flutter app
flutter run
```
#### Development Firebase Project:
- **Project ID**: `teachit-dev-12345`
- **Services**: All services enabled in test mode
- **Security Rules**: Relaxed for development
- **Emulators**: Local Firestore, Auth, Storage, Functions
#### Environment Variables:
```bash
# .env.development
FIREBASE_PROJECT_ID=teachit-dev-12345
FLUTTER_ENV=development
API_BASE_URL=http://localhost:5001
ENABLE_LOGGING=true
ENABLE_DEBUG=true
```
### 1.2 Staging Environment
#### Staging Firebase Project:
- **Project ID**: `teachit-staging-12345`
- **Services**: Production-like configuration
- **Security Rules**: Production rules
- **Testing**: Automated integration tests
#### Environment Variables:
```bash
# .env.staging
FIREBASE_PROJECT_ID=teachit-staging-12345
FLUTTER_ENV=staging
API_BASE_URL=https://teachit-staging.web.app
ENABLE_LOGGING=true
ENABLE_DEBUG=false
SENTRY_DSN=staging-sentry-dsn
```
### 1.3 Production Environment
#### Production Firebase Project:
- **Project ID**: `teachit-prod-12345`
- **Services**: Full production configuration
- **Security Rules**: Strict production rules
- **Monitoring**: Full monitoring and alerting
#### Environment Variables:
```bash
# .env.production
FIREBASE_PROJECT_ID=teachit-prod-12345
FLUTTER_ENV=production
API_BASE_URL=https://teachit.web.app
ENABLE_LOGGING=false
ENABLE_DEBUG=false
SENTRY_DSN=production-sentry-dsn
```
---
## 📱 FLUTTER DEPLOYMENT
### 2.1 Web Deployment
#### Build Configuration:
```dart
// web/index.html
AI Study Assistant
```
#### Build Commands:
```bash
# Build for web
flutter build web --release --web-renderer canvaskit --no-tree-shake-icons
# Build with custom configuration
flutter build web \
--release \
--dart-define=FLUTTER_WEB_USE_SKIA=true \
--dart-define=FLUTTER_WEB_CANVAS_KIT=true \
--no-tree-shake-icons \
--web-renderer canvaskit
```
#### Firebase Hosting Configuration:
```json
{
"hosting": {
"public": "build/web",
"ignore": [
"firebase.json",
"**/.*",
"**/node_modules/**"
],
"rewrites": [
{
"source": "**",
"destination": "/index.html"
}
],
"headers": [
{
"source": "**/*.@(js|css)",
"headers": [
{
"key": "Cache-Control",
"value": "max-age=31536000"
}
]
},
{
"source": "**",
"headers": [
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "X-Frame-Options",
"value": "DENY"
},
{
"key": "X-XSS-Protection",
"value": "1; mode=block"
}
]
}
]
}
}
```
#### Deployment Script:
```bash
#!/bin/bash
# deploy_web.sh
echo "Deploying Flutter Web App..."
# Build the app
echo "Building Flutter web app..."
flutter build web --release --no-tree-shake-icons
# Deploy to Firebase Hosting
echo "Deploying to Firebase Hosting..."
firebase deploy --only hosting:web
echo "Web deployment completed!"
```
### 2.2 Mobile Deployment
#### Android Deployment:
```bash
# Build APK
flutter build apk --release --dart-define=FLUTTER_ENV=production
# Build App Bundle (recommended for Play Store)
flutter build appbundle --release --dart-define=FLUTTER_ENV=production
# Deploy to Firebase App Distribution
firebase appdistribution:distribute \
--app 1:1234567890:android:abcdef \
--release-notes "Latest version with bug fixes" \
--testers "testers@company.com" \
build/app/outputs/flutter-release/app-release.apk
```
#### iOS Deployment:
```bash
# Build iOS app
flutter build ios --release --dart-define=FLUTTER_ENV=production
# Upload to TestFlight
cd ios
xcodebuild -workspace Runner.xcworkspace \
-scheme Runner \
-configuration Release \
-destination generic/platform=iOS \
-archivePath build/Runner.xcarchive \
archive
# Upload to App Store Connect
xcodebuild -exportArchive \
-archivePath build/Runner.xcarchive \
-exportPath build/ \
-exportOptionsPlist ExportOptions.plist
```
---
## ⚡ BACKEND DEPLOYMENT
### 3.1 Cloud Functions Deployment
#### Functions Configuration:
```typescript
// functions/src/config/environment.ts
export const config = {
environment: process.env.FIREBASE_CONFIG || 'development',
projectId: process.env.FIREBASE_PROJECT_ID,
// API Keys
openaiApiKey: process.env.OPENAI_API_KEY,
anthropicApiKey: process.env.ANTHROPIC_API_KEY,
// Feature flags
enableAnalytics: process.env.ENABLE_ANALYTICS === 'true',
enableLogging: process.env.ENABLE_LOGGING === 'true',
// Rate limiting
rateLimits: {
apiCalls: parseInt(process.env.RATE_LIMIT_API_CALLS || '100'),
uploads: parseInt(process.env.RATE_LIMIT_UPLOADS || '10'),
llmCalls: parseInt(process.env.RATE_LIMIT_LLM_CALLS || '20'),
}
};
```
#### Deployment Commands:
```bash
# Deploy all functions
firebase deploy --only functions
# Deploy specific function
firebase deploy --only functions:askTutor
# Deploy with specific region
firebase deploy --only functions --region=us-central1
```
#### Environment Variables Setup:
```bash
# Set environment variables
firebase functions:config:set \
openai.api_key=your_openai_api_key \
anthropic.api_key=your_anthropic_api_key \
enable_analytics=true \
enable_logging=true \
rate_limit_api_calls=100
```
### 3.2 Database Deployment
#### Firestore Rules Deployment:
```bash
# Deploy security rules
firebase deploy --only firestore:rules
# Deploy indexes
firebase deploy --only firestore:indexes
```
#### Database Migration Script:
```typescript
// functions/scripts/migrate_database.ts
import * as admin from 'firebase-admin';
import { config } from '../src/config/environment';
export async function migrateDatabase() {
const db = admin.firestore();
// Create initial data structure
const schools = [
{
name: 'Demo School',
email: 'demo@teachit.app',
settings: {
curriculum: ['Mathematics', 'Science', 'English'],
language: 'en',
policies: {
allowExternalKnowledge: false,
fallbackMode: 'partial_with_hint',
minRetrievalConfidence: 0.6
}
},
subscription: {
plan: 'premium',
maxStudents: 1000,
maxTeachers: 50,
expiresAt: new Date(Date.now() + 365 * 24 * 60 * 60 * 1000)
},
createdAt: new Date(),
isActive: true
}
];
// Create schools
for (const school of schools) {
await db.collection('schools').add(school);
console.log(`Created school: ${school.name}`);
}
console.log('Database migration completed');
}
```
---
## 🔄 CI/CD PIPELINE
### 4.1 GitHub Actions Configuration
#### Main Workflow:
```yaml
# .github/workflows/main.yml
name: Build and Deploy
on:
push:
branches: [main, develop]
pull_request:
branches: [main]
env:
FLUTTER_VERSION: '3.41.0'
NODE_VERSION: '18'
jobs:
test:
name: Test
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v3
- name: Setup Flutter
uses: subosito/flutter-action@v2
with:
flutter-version: ${{ env.FLUTTER_VERSION }}
- name: Setup Node.js
uses: actions/setup-node@v3
with:
node-version: ${{ env.NODE_VERSION }}
- name: Install Flutter dependencies
run: flutter pub get
- name: Install Node dependencies
run: |
cd functions
npm install
- name: Run Flutter tests
run: flutter test --coverage
- name: Run Node tests
run: |
cd functions
npm test
- name: Upload coverage
uses: codecov/codecov-action@v3
with:
file: coverage/lcov.info
build-web:
name: Build Web
runs-on: ubuntu-latest
needs: test
if: github.ref == 'refs/heads/main'
steps:
- name: Checkout code
uses: actions/checkout@v3
- name: Setup Flutter
uses: subosito/flutter-action@v2
with:
flutter-version: ${{ env.FLUTTER_VERSION }}
- name: Install dependencies
run: flutter pub get
- name: Build web app
run: |
flutter build web --release --no-tree-shake-icons \
--dart-define=FLUTTER_ENV=production
- name: Deploy to staging
if: github.ref == 'refs/heads/develop'
run: |
firebase use teachit-staging-12345
firebase deploy --only hosting:staging
- name: Deploy to production
if: github.ref == 'refs/heads/main'
run: |
firebase use teachit-prod-12345
firebase deploy --only hosting:production
deploy-functions:
name: Deploy Functions
runs-on: ubuntu-latest
needs: test
if: github.ref == 'refs/heads/main'
steps:
- name: Checkout code
uses: actions/checkout@v3
- name: Setup Node.js
uses: actions/setup-node@v3
with:
node-version: ${{ env.NODE_VERSION }}
- name: Install dependencies
run: |
cd functions
npm install
- name: Deploy functions
run: |
firebase use teachit-prod-12345
firebase deploy --only functions
env:
FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
deploy-mobile:
name: Deploy Mobile
runs-on: ubuntu-latest
needs: test
if: github.ref == 'refs/heads/main'
steps:
- name: Checkout code
uses: actions/checkout@v3
- name: Setup Flutter
uses: subosito/flutter-action@v2
with:
flutter-version: ${{ env.FLUTTER_VERSION }}
- name: Install dependencies
run: flutter pub get
- name: Build Android APK
run: |
flutter build apk --release \
--dart-define=FLUTTER_ENV=production
- name: Deploy to Firebase App Distribution
run: |
firebase appdistribution:distribute \
--app 1:1234567890:android:abcdef \
--release-notes "Latest version" \
--testers "testers@company.com" \
build/app/outputs/flutter-release/app-release.apk
env:
FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
```
### 4.2 Branch Strategy
#### Git Flow:
```
main (production)
├── develop (staging)
├── feature/auth-enhancement
├── feature/rag-improvements
├── feature/ui-redesign
└── hotfix/critical-bug-fix
```
#### Deployment Rules:
- **main** → Production deployment
- **develop** → Staging deployment
- **feature/** → No deployment (testing only)
- **hotfix/** → Production deployment (urgent)
---
## 📊 MONITORING & LOGGING
### 5.1 Application Monitoring
#### Firebase Monitoring Setup:
```dart
// lib/core/services/monitoring_service.dart
import 'package:firebase_analytics/firebase_analytics.dart';
import 'package:firebase_crashlytics/firebase_crashlytics.dart';
import 'package:firebase_performance/firebase_performance.dart';
class MonitoringService {
static Future initialize() async {
// Analytics
await FirebaseAnalytics.instance.setAnalyticsCollectionEnabled(true);
// Crashlytics
await FirebaseCrashlytics.instance.setCrashlyticsCollectionEnabled(true);
// Performance
await FirebasePerformance.instance.setPerformanceCollectionEnabled(true);
}
static void logScreenView(String screenName) {
FirebaseAnalytics.instance.logScreenView(screenName: screenName);
}
static void logEvent(String name, {Map? parameters}) {
FirebaseAnalytics.instance.logEvent(name, parameters: parameters);
}
static void recordError(dynamic error, StackTrace? stackTrace) {
FirebaseCrashlytics.instance.recordError(error, stackTrace);
}
static void setUserIdentifier(String userId) {
FirebaseCrashlytics.instance.setUserIdentifier(userId);
}
static Trace startTrace(String traceName) {
return FirebasePerformance.instance.newTrace(traceName);
}
}
```
#### Custom Metrics:
```dart
// lib/core/services/metrics_service.dart
class MetricsService {
static void trackUserEngagement(String action, Map properties) {
MonitoringService.logEvent('user_engagement', parameters: {
'action': action,
...properties,
});
}
static void trackLearningProgress(String conceptId, double mastery) {
MonitoringService.logEvent('learning_progress', parameters: {
'concept_id': conceptId,
'mastery': mastery,
});
}
static void trackQuizPerformance(String quizId, double score, int timeSpent) {
MonitoringService.logEvent('quiz_performance', parameters: {
'quiz_id': quizId,
'score': score,
'time_spent': timeSpent,
});
}
static void trackAPIPerformance(String endpoint, int responseTime, bool success) {
MonitoringService.logEvent('api_performance', parameters: {
'endpoint': endpoint,
'response_time': responseTime,
'success': success,
});
}
}
```
### 5.2 Backend Monitoring
#### Cloud Functions Monitoring:
```typescript
// functions/src/monitoring/middleware.ts
import * as functions from 'firebase-functions';
import * as admin from 'firebase-admin';
import { logger } from '../utils/logger';
export const monitoringMiddleware = functions.https.onRequest(async (req, res, next) => {
const startTime = Date.now();
const requestId = req.headers['x-request-id'] || generateRequestId();
// Add request ID to response headers
res.setHeader('x-request-id', requestId);
// Log request
logger.info('Request started', {
requestId,
method: req.method,
path: req.path,
userAgent: req.headers['user-agent'],
ip: req.ip,
});
try {
await next(req, res);
const responseTime = Date.now() - startTime;
// Log successful response
logger.info('Request completed', {
requestId,
statusCode: res.statusCode,
responseTime,
});
// Track performance
trackPerformance(req.path, responseTime, res.statusCode);
} catch (error) {
const responseTime = Date.now() - startTime;
// Log error
logger.error('Request failed', {
requestId,
error: error.message,
responseTime,
});
// Track error
trackError(req.path, error, responseTime);
res.status(500).json({
error: 'Internal server error',
requestId,
});
}
});
function generateRequestId(): string {
return Math.random().toString(36).substring(2, 15);
}
function trackPerformance(endpoint: string, responseTime: number, statusCode: number) {
// Send to monitoring service
admin.firestore().collection('performance').add({
endpoint,
responseTime,
statusCode,
timestamp: new Date(),
});
}
function trackError(endpoint: string, error: any, responseTime: number) {
// Send to error tracking
admin.firestore().collection('errors').add({
endpoint,
error: error.message,
stack: error.stack,
responseTime,
timestamp: new Date(),
});
}
```
### 5.3 Alerting Configuration
#### Alert Rules:
```yaml
# monitoring/alerts.yml
alerts:
- name: High Error Rate
condition: error_rate > 5%
duration: 5m
channels: [slack, email]
message: "Error rate is {{ error_rate }}% for the last 5 minutes"
- name: Slow Response Time
condition: avg_response_time > 3s
duration: 10m
channels: [slack]
message: "Average response time is {{ avg_response_time }}s"
- name: High Memory Usage
condition: memory_usage > 80%
duration: 15m
channels: [email]
message: "Memory usage is {{ memory_usage }}%"
- name: Database Connection Failed
condition: database_connection_failed
channels: [slack, email, sms]
message: "Database connection failed"
- name: LLM API Rate Limit
condition: llm_api_rate_limit_exceeded
channels: [slack]
message: "LLM API rate limit exceeded"
```
---
## 🔒 SECURITY DEPLOYMENT
### 6.1 Security Configuration
#### Environment Security:
```bash
# Secure environment variables
firebase functions:config:set \
openai.api_key=$OPENAI_API_KEY \
anthropic.api_key=$ANTHROPIC_API_KEY \
jwt_secret=$JWT_SECRET \
encryption_key=$ENCRYPTION_KEY
```
#### API Security:
```typescript
// functions/src/security/api_security.ts
import rateLimit from 'express-rate-limit';
import helmet from 'helmet';
import cors from 'cors';
export const securityMiddleware = [
helmet({
contentSecurityPolicy: {
directives: {
defaultSrc: ["'self'"],
scriptSrc: ["'self'", "'unsafe-inline'"],
styleSrc: ["'self'", "'unsafe-inline'"],
imgSrc: ["'self'", "data:", "https:"],
},
},
}),
cors({
origin: process.env.ALLOWED_ORIGINS?.split(',') || ['http://localhost:3000'],
credentials: true,
}),
rateLimit({
windowMs: 60 * 1000, // 1 minute
max: 100, // limit each IP to 100 requests per windowMs
message: 'Too many requests from this IP',
}),
];
```
### 6.2 SSL/TLS Configuration
#### Firebase Hosting SSL:
```json
{
"hosting": {
"headers": [
{
"source": "**/*.@(js|css|png|jpg|jpeg|gif|svg)",
"headers": [
{
"key": "Strict-Transport-Security",
"value": "max-age=31536000; includeSubDomains"
}
]
}
]
}
}
```
---
## 🔄 ROLLBACK PROCEDURES
### 7.1 Automated Rollback
#### Rollback Script:
```bash
#!/bin/bash
# rollback.sh
echo "Starting rollback procedure..."
# Get current version
CURRENT_VERSION=$(git rev-parse HEAD)
echo "Current version: $CURRENT_VERSION"
# Rollback to previous version
git checkout HEAD~1
# Deploy previous version
firebase deploy --only hosting,functions
# Verify deployment
if curl -f https://teachit.web.app/health; then
echo "Rollback successful"
else
echo "Rollback failed, manual intervention required"
exit 1
fi
# Notify team
curl -X POST "https://hooks.slack.com/your-webhook" \
-H 'Content-type: application/json' \
-d "{\"text\":\"Rollback to $CURRENT_VERSION completed\"}"
```
### 7.2 Manual Rollback
#### Manual Rollback Steps:
1. **Identify Problem Version**
```bash
git log --oneline -10
```
2. **Rollback Code**
```bash
git checkout
```
3. **Redeploy**
```bash
firebase deploy --only hosting,functions
```
4. **Verify**
```bash
curl -f https://teachit.web.app/health
```
5. **Communicate**
- Notify team of rollback
- Update status page
- Monitor for issues
---
## 📈 PERFORMANCE OPTIMIZATION
### 8.1 Web Performance
#### Build Optimization:
```bash
# Optimized web build
flutter build web --release \
--dart-define=FLUTTER_WEB_USE_SKIA=true \
--dart-define=FLUTTER_WEB_CANVAS_KIT=true \
--no-tree-shake-icons \
--web-renderer canvaskit \
--csp
```
#### Performance Monitoring:
```javascript
// web/js/performance.js
// Performance monitoring
const observer = new PerformanceObserver((list) => {
for (const entry of list.getEntries()) {
if (entry.entryType === 'navigation') {
console.log('Page load time:', entry.loadEventEnd - entry.loadEventStart);
}
}
});
observer.observe({ entryTypes: ['navigation', 'resource', 'paint'] });
```
### 8.2 Mobile Performance
#### Build Optimization:
```bash
# Optimized APK build
flutter build apk --release \
--shrink \
--obfuscate \
--dart-define=FLUTTER_ENV=production
```
#### Performance Profiling:
```dart
// lib/core/utils/performance_profiler.dart
class PerformanceProfiler {
static void profileWidget(String name, Widget Function() widgetBuilder) {
return ProfiledWidget(
name: name,
child: widgetBuilder(),
);
}
}
class ProfiledWidget extends StatelessWidget {
final String name;
final Widget child;
const ProfiledWidget({required this.name, required this.child});
@override
Widget build(BuildContext context) {
return PerformanceOverlay.all(
enabled: kDebugMode,
child: child,
);
}
}
```
---
## 🚀 DEPLOYMENT AUTOMATION
### 9.1 Deployment Scripts
#### Master Deployment Script:
```bash
#!/bin/bash
# deploy.sh
set -e
ENVIRONMENT=${1:-staging}
VERSION=${2:-latest}
echo "Deploying to $ENVIRONMENT environment..."
# Validate environment
if [[ "$ENVIRONMENT" != "staging" && "$ENVIRONMENT" != "production" ]]; then
echo "Invalid environment: $ENVIRONMENT"
exit 1
fi
# Set Firebase project
if [[ "$ENVIRONMENT" == "staging" ]]; then
firebase use teachit-staging-12345
else
firebase use teachit-prod-12345
fi
# Run tests
echo "Running tests..."
flutter test
cd functions && npm test
# Build Flutter web app
echo "Building Flutter web app..."
flutter build web --release --dart-define=FLUTTER_ENV=$ENVIRONMENT
# Deploy Firebase functions
echo "Deploying Firebase functions..."
firebase deploy --only functions
# Deploy web hosting
echo "Deploying web hosting..."
firebase deploy --only hosting
# Run smoke tests
echo "Running smoke tests..."
npm run smoke:test
# Notify team
curl -X POST "https://hooks.slack.com/your-webhook" \
-H 'Content-type: application/json' \
-d "{\"text\":\"Deployment to $ENVIRONMENT completed successfully\"}"
echo "Deployment to $ENVIRONMENT completed successfully!"
```
### 9.2 Health Check Script
#### Health Check Implementation:
```typescript
// functions/src/health/health_check.ts
export const healthCheck = functions.https.onRequest(async (req, res) => {
const health = {
status: 'healthy',
timestamp: new Date().toISOString(),
version: process.env.VERSION || 'unknown',
environment: process.env.FIREBASE_CONFIG || 'unknown',
services: {},
};
try {
// Check Firestore
const firestore = admin.firestore();
await firestore.collection('health').doc('check').get();
health.services.firestore = 'healthy';
} catch (error) {
health.services.firestore = 'unhealthy';
health.status = 'degraded';
}
try {
// Check Storage
const storage = admin.storage();
const bucket = storage.bucket();
await bucket.exists();
health.services.storage = 'healthy';
} catch (error) {
health.services.storage = 'unhealthy';
health.status = 'degraded';
}
// Check external services
if (process.env.OPENAI_API_KEY) {
try {
// Test OpenAI API
const response = await fetch('https://api.openai.com/v1/models', {
headers: {
'Authorization': `Bearer ${process.env.OPENAI_API_KEY}`,
},
});
if (response.ok) {
health.services.openai = 'healthy';
} else {
health.services.openai = 'unhealthy';
health.status = 'degraded';
}
} catch (error) {
health.services.openai = 'unhealthy';
health.status = 'degraded';
}
}
const statusCode = health.status === 'healthy' ? 200 : 503;
res.status(statusCode).json(health);
});
```
---
## 📋 DEPLOYMENT CHECKLIST
### Pre-Deployment Checklist:
- [ ] All tests passing (unit, integration, E2E)
- [ ] Code coverage > 80%
- [ ] Security scan completed
- [ ] Performance benchmarks met
- [ ] Documentation updated
- [ ] Environment variables configured
- [ ] Backup procedures verified
- [ ] Rollback plan prepared
- [ ] Monitoring configured
- [ ] Team notified
### Post-Deployment Checklist:
- [ ] Health checks passing
- [ ] Smoke tests passing
- [ ] Monitoring alerts configured
- [ ] User acceptance testing
- [ ] Performance metrics collected
- [ ] Error tracking active
- [ ] Documentation updated
- [ ] Team debrief completed
### Production Deployment Checklist:
- [ ] Staging deployment successful
- [ ] All tests passing in staging
- [ ] Performance benchmarks met
- [ ] Security audit completed
- [ ] Backup procedures verified
- [ ] Rollback plan tested
- [ ] Team approval received
- [ ] Deployment window scheduled
- [ ] User communication prepared
---
## 🔧 TROUBLESHOOTING
### Common Deployment Issues:
#### 1. Build Failures
```bash
# Clean build cache
flutter clean
flutter pub get
# Check Flutter version
flutter --version
# Check dependencies
flutter pub deps
```
#### 2. Firebase Deployment Failures
```bash
# Check Firebase configuration
firebase projects:list
firebase use
# Check authentication
firebase login
# Check permissions
firebase projects:list
```
#### 3. Performance Issues
```bash
# Profile Flutter app
flutter run --profile
# Check bundle size
flutter build web --analyze-size
# Monitor memory usage
flutter run --profile --trace-startup
```
#### 4. Database Issues
```bash
# Check Firestore rules
firebase deploy --only firestore:rules
# Check indexes
firebase deploy --only firestore:indexes
# Monitor database usage
firebase firestore:databases:list
```
---
## 📚 MAINTENANCE PROCEDURES
### Regular Maintenance Tasks:
1. **Daily**: Monitor system health and performance
2. **Weekly**: Review error logs and performance metrics
3. **Monthly**: Update dependencies and security patches
4. **Quarterly**: Perform security audits and penetration testing
5. **Annually**: Review architecture and plan improvements
### Backup Procedures:
```bash
# Backup Firestore data
firebase firestore:export --output-path=backup/firestore
# Backup Firebase Storage
gsutil -m rsync -r gs://teachit-content.appspot.com/ backup/storage
# Backup functions configuration
firebase functions:metadata > backup/functions-metadata.json
```
---
## 📞 SUPPORT PROCEDURES
### Incident Response:
1. **Detection**: Monitor alerts and user reports
2. **Assessment**: Evaluate impact and severity
3. **Response**: Implement fix or workaround
4. **Communication**: Notify users and stakeholders
5. **Recovery**: Restore normal operations
6. **Post-mortem**: Analyze and document incident
### Escalation Matrix:
- **Level 1**: Development team (minor issues)
- **Level 2**: DevOps team (infrastructure issues)
- **Level 3**: Management team (major incidents)
- **Level 4**: Crisis team (critical incidents)
---
*Last Updated: 2026-05-06*
*Version: 1.0.0*
*DevOps Lead: Deployment Team*