feat: add next public envs to runtime

packages/api/src/openapi.ts

@@ -1,3 +1,4 @@
+import { env } from "next-runtime-env";
 import { generateOpenApiDocument } from "trpc-to-openapi";
 
 import { appRouter } from "./root";
@@ -6,7 +7,7 @@ export const openApiDocument = generateOpenApiDocument(appRouter, {
   title: "Kan API",
   description: "OpenAPI compliant REST API",
   version: "1.0.0",
-  baseUrl: `${process.env.NEXT_PUBLIC_BASE_URL}/api/v1`,
+  baseUrl: `${env("NEXT_PUBLIC_BASE_URL")}/api/v1`,
   docsUrl: "docs.kan.bn",
   tags: ["Auth", "Users", "Boards", "Lists", "Cards", "Labels", "Imports"],
 });