feat: implement trade flow logic and API endpoints (#88, #42)

Author: JerryIdoko

.env.example

@@ -1,9 +1,9 @@
 # Database Configuration
 DATABASE_URL="postgresql://postgres:password@localhost:5432/tradeflow?schema=public"
 
-# Alternative Database Configuration (for TypeORM)
-DB_HOST=localhost
-DB_PORT=5432
-DB_USERNAME=postgres
-DB_PASSWORD=password
-DB_DATABASE=tradeflow
+# Redis Configuration
+REDIS_URL="redis://localhost:6379"
+
+# Security Configuration
+JWT_SECRET="generate-a-safe-secret-key-here"
+ADMIN_PASSWORD="TradeFlow2026!"

config/redis.js

@@ -0,0 +1,23 @@
+/**
+ * Centralized Redis Client Connection
+ * Shared across API instances for rate limiting and price caching
+ */
+const Redis = require('ioredis');
+
+// In a real production deployment, this URL would come from environment
+const REDIS_URL = process.env.REDIS_URL || 'redis://localhost:6379';
+
+const redisClient = new Redis(REDIS_URL, {
+    maxRetriesPerRequest: null,
+    enableReadyCheck: true
+});
+
+redisClient.on('connect', () => {
+    console.log('🚀 Redis Connection Established - Synchronization Active');
+});
+
+redisClient.on('error', (err) => {
+    console.error('⚠️ Redis Connection Failed:', err.message);
+});
+
+module.exports = redisClient;