Backend Complete: Interface Refactoring & Service Container Enhancements
Repository Interface Optimization: - Created IBaseRepository.ts and IPaginatedRepository.ts - Refactored all 7 repository interfaces to extend base interfaces - Eliminated ~200 lines of redundant code (70% reduction) - Improved type safety and maintainability Dependency Injection Improvements: - Added EmailService and GameTokenService to DIContainer - Updated CreateUserCommandHandler constructor for DI - Updated RequestPasswordResetCommandHandler constructor for DI - Enhanced testability and service consistency Environment Configuration: - Created comprehensive .env.example with 40+ variables - Organized into 12 logical sections (Database, Security, Email, etc.) - Added security guidelines and best practices - Documented all backend environment requirements Documentation: - Added comprehensive codebase review - Created refactoring summary report - Added frontend implementation guide Impact: Improved code quality, reduced maintenance overhead, enhanced developer experience
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#!/bin/bash
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# SerpentRace Backend Production Deployment Script
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# This script handles the complete deployment process
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set -e # Exit on any error
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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log() {
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echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')] $1${NC}"
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}
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error() {
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echo -e "${RED}[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: $1${NC}"
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}
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warn() {
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echo -e "${YELLOW}[$(date +'%Y-%m-%d %H:%M:%S')] WARNING: $1${NC}"
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}
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info() {
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echo -e "${BLUE}[$(date +'%Y-%m-%d %H:%M:%S')] INFO: $1${NC}"
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}
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# Check if required environment variables are set
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check_env() {
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log "Checking environment variables..."
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required_vars=(
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"DB_HOST"
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"DB_PORT"
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"DB_USERNAME"
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"DB_PASSWORD"
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"DB_NAME"
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"JWT_SECRET"
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"REDIS_HOST"
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"REDIS_PORT"
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)
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missing_vars=()
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for var in "${required_vars[@]}"; do
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if [ -z "${!var}" ]; then
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missing_vars+=("$var")
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fi
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done
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if [ ${#missing_vars[@]} -ne 0 ]; then
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error "Missing required environment variables: ${missing_vars[*]}"
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error "Please set these variables before running the deployment"
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exit 1
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fi
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log "All required environment variables are set"
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}
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# Install dependencies
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install_dependencies() {
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log "Installing production dependencies..."
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npm ci --only=production
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log "Dependencies installed successfully"
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}
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# Run the comprehensive build process
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run_build() {
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log "Running production build..."
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npm run build:production
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log "Build completed successfully"
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}
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# Test database connectivity
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test_database() {
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log "Testing database connectivity..."
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# Use a simple TypeScript script to test connection
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cat > /tmp/test-db.ts << 'EOF'
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import { AppDataSource } from './src/Infrastructure/ormconfig';
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async function testConnection() {
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try {
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await AppDataSource.initialize();
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console.log('✅ Database connection successful');
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await AppDataSource.destroy();
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process.exit(0);
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} catch (error) {
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console.error('❌ Database connection failed:', error);
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process.exit(1);
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}
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}
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testConnection();
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EOF
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npx ts-node /tmp/test-db.ts || {
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error "Database connectivity test failed"
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exit 1
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}
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rm -f /tmp/test-db.ts
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log "Database connectivity test passed"
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}
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# Test Redis connectivity
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test_redis() {
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log "Testing Redis connectivity..."
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# Use a simple script to test Redis connection
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cat > /tmp/test-redis.ts << 'EOF'
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import { createClient } from 'redis';
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async function testRedis() {
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const client = createClient({
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socket: {
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host: process.env.REDIS_HOST || 'localhost',
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port: parseInt(process.env.REDIS_PORT || '6379')
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}
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});
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try {
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await client.connect();
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await client.ping();
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console.log('✅ Redis connection successful');
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await client.disconnect();
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process.exit(0);
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} catch (error) {
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console.error('❌ Redis connection failed:', error);
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process.exit(1);
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}
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}
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testRedis();
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EOF
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npx ts-node /tmp/test-redis.ts || {
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warn "Redis connectivity test failed - continuing anyway"
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}
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rm -f /tmp/test-redis.ts
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log "Redis connectivity test completed"
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}
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# Create required directories
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setup_directories() {
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log "Setting up required directories..."
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mkdir -p logs
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mkdir -p uploads
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log "Directories created"
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}
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# Start the application (for testing)
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start_app() {
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log "Starting application for validation..."
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# Start the app in background and test if it responds
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npm start &
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APP_PID=$!
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# Wait for app to start
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sleep 10
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# Test if the health endpoint responds
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if curl -f http://localhost:${PORT:-3000}/health > /dev/null 2>&1; then
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log "Application health check passed"
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kill $APP_PID
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wait $APP_PID 2>/dev/null
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else
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error "Application health check failed"
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kill $APP_PID 2>/dev/null || true
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wait $APP_PID 2>/dev/null || true
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exit 1
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fi
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}
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# Main deployment function
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deploy() {
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log "🚀 Starting SerpentRace Backend production deployment..."
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# Check environment
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check_env
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# Install dependencies
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install_dependencies
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# Run build process
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run_build
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# Setup directories
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setup_directories
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# Test connections
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test_database
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test_redis
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# Test application startup
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if [ "${SKIP_APP_TEST}" != "true" ]; then
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start_app
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else
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warn "Skipping application startup test"
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fi
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log "🎉 Deployment completed successfully!"
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info "You can now start the application with: npm start"
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}
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# Handle script arguments
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case "${1:-deploy}" in
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"deploy")
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deploy
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;;
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"build-only")
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log "Running build-only deployment..."
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check_env
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install_dependencies
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run_build
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setup_directories
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log "Build-only deployment completed"
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;;
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"test-connections")
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log "Testing connections only..."
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check_env
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test_database
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test_redis
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log "Connection tests completed"
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;;
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*)
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echo "Usage: $0 [deploy|build-only|test-connections]"
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echo " deploy - Full deployment (default)"
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echo " build-only - Only build, skip tests"
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echo " test-connections - Test database and Redis connections"
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exit 1
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;;
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esac
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