more bug fix, fix to run on fly.io

auth-service/routes/api.js

@@ -0,0 +1,23 @@
+const { createProxyMiddleware } = require("http-proxy-middleware");
+const api = require("express").Router();
+
+const ASSIGNMENT_SERVICE_URL = process.env.ASSIGNMENT_SERVICE_URL;
+
+// rerout to asisgnment url
+api.use((req, res, next) => {
+  console.log(`Proxying request to: ${ASSIGNMENT_SERVICE_URL} : original url : ${req.originalUrl}`);
+  next();
+});
+
+api.use(
+  '/',
+  createProxyMiddleware({
+    target: ASSIGNMENT_SERVICE_URL,
+    changeOrigin: true,
+    pathRewrite: {
+      '^/api': '', //  only remove /api
+    },
+  })
+);
+
+module.exports = api;