add basic router and health

.babelrc

@@ -0,0 +1,4 @@
+{
+    "presets": ["@babel/env"],
+    "plugins": ["@babel/plugin-proposal-object-rest-spread"]
+  }

.eslistrc.js

@@ -0,0 +1,36 @@
+module.exports = {
+    "env": {
+      "es6": true,
+      "node": true
+    },
+    "extends": "airbnb-base",
+    "parserOptions": {
+      "ecmaVersion": 2021,
+      "sourceType": "module"
+    },
+    "rules": {
+      "indent": [
+        "error",
+        2
+      ],
+      "linebreak-style": [
+        "error",
+        "unix"
+      ],
+      "quotes": [
+        "error",
+        "double"
+      ],
+      "semi": [
+        "error",
+        "always"
+      ],
+      "no-unused-vars": [
+        "error", { "caughtErrors": "all" }
+      ],
+      "no-param-reassign": 0,
+      "max-len": 0,
+      "strict": 0,
+      "no-console": 0
+    }
+  };

package.json

@@ -4,7 +4,11 @@
   "description": "nodejs service",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "build": "npm run clean && npm run build-server",
+    "build-server": "./node_modules/.bin/babel src -d ./dist --copy-files --source-maps",
+    "clean": "./node_modules/.bin/rimraf ./dist && ./node_modules/.bin/mkdirp ./dist",
+    "start": "node ./dist/index.js",
+    "dev": "babel-watch src/index.js"
   },
   "repository": {
     "type": "git",
@@ -20,8 +24,24 @@
   },
   "homepage": "https://github.com/eatrisno/nodejs-service#readme",
   "dependencies": {
+    "body-parser": "^1.19.0",
     "core-js": "^3.15.2",
     "express": "^4.17.1",
+    "express-request-id": "^1.4.1",
     "regenerator-runtime": "^0.13.7"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.14.3",
+    "@babel/core": "^7.14.3",
+    "@babel/plugin-proposal-object-rest-spread": "^7.14.2",
+    "@babel/preset-env": "^7.14.2",
+    "@babel/register": "^7.13.16",
+    "babel-watch": "^7.4.1",
+    "eslint": "^7.30.0",
+    "eslint-config-airbnb-base": "^14.2.1",
+    "eslint-plugin-import": "^2.23.4",
+    "mkdirp": "^1.0.4",
+    "rimraf": "^3.0.2",
+    "source-map-support": "^0.5.19"
   }
 }

src/config.js

@@ -0,0 +1,19 @@
+"use strict";
+
+import pack from "../package.json";
+
+const env = process.env.NODE_ENV || "development";
+
+export default {
+  env,
+  isDev: env === "development",
+
+  port: "PORT" in process.env ? (Number(process.env.PORT) + ("NODE_APP_INSTANCE" in process.env ? Number(process.env.NODE_APP_INSTANCE) : 0)) : 8000,
+  host: process.env.HOST || (env === "development" ? "0.0.0.0" : "127.0.0.1"),
+
+  server: {
+    name: process.env.SERVER_NAME || pack.name,
+    version: process.env.SERVER_VERSION || pack.version,
+  },
+
+};

src/controllers/system.js

@@ -0,0 +1,26 @@
+"use strict";
+
+import config from "../config";
+
+function ok(req, res, next) {
+  res.status(200).json({ success: true });
+  return next();
+}
+
+function getHealth(req, res, next) {
+  const info = {
+    pid: process.pid,
+    name: config.server.name.toUpperCase(),
+    version: config.server.version,
+    port: config.port,
+    uptimeSec: process.uptime(),
+  };
+
+  res.status(200).json(info);
+  return next();
+}
+
+export default {
+  ok,
+  getHealth,
+};

src/routes/index.js

@@ -0,0 +1,11 @@
+"use strict";
+
+import express from "express";
+
+import systemRouter from "./system";
+
+const router = express.Router();
+
+router.use("", systemRouter);
+
+export default router;

src/routes/system.js

@@ -0,0 +1,11 @@
+"use strict";
+
+import express from "express";
+import systemCtrl from "../controllers/system";
+
+const router = express.Router();
+
+router.route("/ok").get(systemCtrl.ok);
+router.route("/health").get(systemCtrl.getHealth);
+
+export default router;

src/server.js

@@ -1,8 +1,47 @@
+"use strict";
+
+import bodyParser from "body-parser";
 import express from "express";
+import addRequestId from "express-request-id";
 
+import config from "./config";
 import router from "./routes/index";
 
+process.title = config.server.name;
+
 const server = express();
 
+server.use(addRequestId());
+server.use(bodyParser.json());
+server.use(bodyParser.urlencoded({ extended: true }));
+
+server.use("*", (req, res, next) => {
+  const data = req.method === "GET" ? req.query : req.body;
+
+  console.log("HTTP", req.method, req.baseUrl, data);
+
+  return next();
+});
+
+server.use("", router);
+
+async function init() {
+  console.log("Launching node app");
+
+  const serverInstance = server.listen(config.port, config.host, () => {
+    console.log(`${config.server.name.toUpperCase()} v${config.server.version} listening at ${config.host}:${config.port}`);
+  });
+
+  process.on("SIGINT", () => {
+    console.log("Stopping server");
 
+    serverInstance.close(() => {
+      console.log("Server stopped");
+      process.exit(0);
+    });
+  });
+}
 
+export default {
+  init,
+};