add simple express server for debugging prod instance code

Author: george

package-lock.json

@@ -11,7 +11,7 @@
   "sass": "src/scss/undernet.scss",
   "style": "dist/undernet.css",
   "scripts": {
-    "postinstall": "npm run build:dist",
+    "setup": "npm i && npm run build:dist",
     "watch": "webpack-dev-server --config webpack.dev.js --progress",
     "build": "npm run js:build && webpack --config webpack.prod.js",
     "test": "jest",
@@ -71,6 +71,8 @@
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-jsx-a11y": "^6.2.2",
     "eslint-plugin-react": "^7.14.2",
+    "express": "^4.17.1",
+    "express-static-gzip": "^2.0.5",
     "file-loader": "^4.0.0",
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "^3.2.0",

package.json

@@ -0,0 +1,23 @@
+// sanity check: `node server.js`
+
+const express = require("express")
+const path = require("path")
+const app = express()
+const PORT = process.env.PORT || 3000
+
+const expressStaticGzip = require("express-static-gzip")
+
+// app.use(express.static(path.join(__dirname, "build")))
+app.use("/", expressStaticGzip("build"))
+
+app.get("*", function(req, res) {
+  res.sendFile(path.join(__dirname, "/build/index.html"))
+})
+
+app.listen(PORT, error => {
+  return error
+    ? console.log(error)
+    : console.info(
+        `--> 🌎 Listening on port ${PORT}. Visit http://localhost:${PORT}/ in your browser.`
+      )
+})