feat(redis): add database index environment variable (#4092)

packages/core/src/infrastructure/redis/client.ts

@@ -15,6 +15,7 @@ export const createRedisClient = () =>
         ...defaultRedisOptions,
         host: redisEnv.HOST,
         port: redisEnv.PORT,
+        db: redisEnv.DATABASE_INDEX,
         tls: redisEnv.TLS_CA
           ? {
               ca: redisEnv.TLS_CA,

packages/core/src/infrastructure/redis/env.ts

@@ -12,6 +12,7 @@ export const redisEnv = createEnv({
     TLS_CA: z.string().optional(),
     USERNAME: z.string().optional(),
     PASSWORD: z.string().optional(),
+    DATABASE_INDEX: z.coerce.number().optional(),
   },
   runtimeEnv: runtimeEnvWithPrefix("REDIS_"),
 });