Initial commit: Meshkee CMS API

NestJS backend with Prisma, Docker Compose for Postgres/Redis, and deploy docs for the production VM.

src/redis/redis.constants.ts

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+export const REDIS_CLIENT = 'REDIS_CLIENT';

src/redis/redis.module.ts

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+import { Global, Module } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import Redis from 'ioredis';
+import { REDIS_CLIENT } from './redis.constants';
+import { RedisService } from './redis.service';
+
+@Global()
+@Module({
+  providers: [
+    {
+      provide: REDIS_CLIENT,
+      inject: [ConfigService],
+      useFactory: (config: ConfigService) => {
+        return new Redis(config.get<string>('REDIS_URL', 'redis://localhost:6379'));
+      },
+    },
+    RedisService,
+  ],
+  exports: [RedisService],
+})
+export class RedisModule {}

src/redis/redis.service.ts

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+import { Inject, Injectable } from '@nestjs/common';
+import Redis from 'ioredis';
+import { REDIS_CLIENT } from './redis.constants';
+
+@Injectable()
+export class RedisService {
+  constructor(@Inject(REDIS_CLIENT) private readonly redis: Redis) {}
+
+  get client(): Redis {
+    return this.redis;
+  }
+
+  async setOtp(cellNumber: string, code: string, ttlSeconds: number): Promise<void> {
+    await this.redis.set(`otp:${cellNumber}`, code, 'EX', ttlSeconds);
+  }
+
+  async getOtp(cellNumber: string): Promise<string | null> {
+    return this.redis.get(`otp:${cellNumber}`);
+  }
+
+  async deleteOtp(cellNumber: string): Promise<void> {
+    await this.redis.del(`otp:${cellNumber}`);
+  }
+}