Added API for externalAPI, added env for clients

src/core/config/config.module.ts

@@ -0,0 +1,14 @@
+import { Module } from "@nestjs/common";
+import { ConfigModule } from "@nestjs/config";
+import { validate } from "./config.validation";
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+      expandVariables: true,
+      validate,
+    }),
+  ],
+})
+export class AppConfigModule {}