ab-livereload/build/livereload.js
Asif Bacchus dfa50ea6b5 feature: add healthcheck
- add express npm to allow creation of health endpoint
- create health end pt as callback to livereload server listening state
- configure healthcheck in container
- allows true 'stack' operation since other services can query status
2021-07-24 03:01:01 -06:00

62 lines
1.4 KiB
JavaScript

// implement node-livereload over an HTTPS connection
// healthcheck function
function healthcheck() {
const express = require('express');
const http = require('http');
const app = express();
const router = express.Router();
router.use((req, res, next) =>{
res.header('Access-Control-Allow-Methods', 'GET');
next();
});
router.get('/health', (req, res) =>{
res.status(200).send('Ok');
});
app.use('/api/v1', router);
const hServer = http.createServer(app);
hServer.listen(3000);
}
// load livereload module
const livereload = require('livereload');
// set createServer options
const fs = require('fs');
const options = {
port: process.env.LR_PORT,
exts: process.env.LR_EXTS,
exclusions: process.env.LR_EXCLUDE,
usePolling: true,
delay: process.env.LR_DELAY,
};
// set debugging output as per LR_DEBUG
if (process.env.LR_DEBUG === "true") {
options.debug = true
console.log("[Debug output ENABLED]");
}
// set HTTPS as per LR_HTTPS
if (process.env.LR_HTTPS === "true") {
options.https = {
cert: fs.readFileSync('/certs/fullchain.pem'),
key: fs.readFileSync('/certs/privkey.pem')
};
console.log("[HTTPS mode]");
}
else {
console.log("[HTTP mode]");
}
// start server
const lrServer = livereload.createServer(options, healthcheck);
lrServer.watch('/watch')
//#EOF