Static files serving

chapter04/src/serve_statics_alt.js

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+/* @flow */
+"use strict";
+
+const express = require("express");
+const app = express();
+
+const path = require("path");
+
+const flagsPath = path.join(__dirname, "../flags");
+
+app.get("/uruguay", (req, res) =>
+    res.sendFile(`${flagsPath}/america/south/UY.png`)
+);
+
+app.get("/england", (req, res) =>
+    res.sendFile(`${flagsPath}/europe/GB.png`)
+);
+
+app.get("/license", (req, res) =>
+    res.sendFile(`${flagsPath}/license.txt`)
+);
+
+app.listen(8080, () =>
+    console.log(
+        "Mini Express static server ready at http://localhost:8080/!"
+    )
+);