Moved metadata route and added static files (robots.txt)

routes/index.js

@@ -1,9 +1,10 @@
 const express = require("express")
-const router = express.Router()
 const metaService = require("../services/metaService")
+const router = express.Router({ mergeParams: true })
 
-router.get("/", (req, res) => {
-    return res.status(200).json(metaService.getServerMetadata())
+router.get(/.*/, async (req, res, next) => {
+    const file = metaService.serveStaticFile(req.originalUrl)
+    return res.status(200).sendFile(file)
 })
 
 module.exports = router

routes/metadata.js

@@ -0,0 +1,9 @@
+const express = require("express")
+const router = express.Router()
+const metaService = require("../services/metaService")
+
+router.get("/", (req, res) => {
+    return res.status(200).json(metaService.getServerMetadata())
+})
+
+module.exports = router

services/metaService.js

@@ -1,3 +1,7 @@
+const fs = require("node:fs")
+const path = require("node:path")
+const { DefaultError } = require("../errors/errors")
+
 function getServerMetadata() {
     return {
         name: process.env["INSTANCE_NAME"],
@@ -5,6 +9,15 @@ function getServerMetadata() {
     }
 }
 
+function serveStaticFile(filePath) {
+    const finalFilePath = path.join(process.cwd(), "data", "static", filePath)
+    if (fs.existsSync(finalFilePath)) {
+        return finalFilePath
+    }
+    throw new DefaultError(404, "File not found", "File moved/deleted or don't exists", "NotFoundException")
+}
+
 module.exports = {
+    serveStaticFile,
     getServerMetadata
 }