add config

src/config/config.provider.ts

@@ -0,0 +1,13 @@
+import * as Dotenv from 'dotenv';
+const dotenv: any = Dotenv.config().parsed;
+
+class Config {
+  public readonly port = dotenv.PORT;
+  getPort() {
+    return process.env.PORT;
+  }
+  //todo - check dotenv again if not loaded before emmiting err.
+  //works globally, loaded once
+}
+
+export default new Config();