dev-demo: move port to env

Author: ivictbor

dev-demo/.env.sample

@@ -5,6 +5,7 @@ NODE_ENV=development
 OPENAI_API_KEY=1
 HEAVY_DEBUG=
 HEAVY_DEBUG_QUERY=
+PORT=3000
 
 DATABASE_FILE=./db.sqlite
 DATABASE_FILE_URL=file:${DATABASE_FILE}

dev-demo/index.ts

@@ -289,7 +289,7 @@ export const admin = new AdminForth({
 
 const app = express()
 app.use(express.json());
-const port = 30000;
+const port = process.env.PORT || 3000;
 
 (async () => {
     console.log('🅿️🅿️🅿️ 🅿️Bundling AdminForth...');