forked from open-telemetry/opentelemetry-js
/
app.ts
42 lines (36 loc) · 1018 Bytes
/
app.ts
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import * as express from 'express';
import axios from 'axios';
import { countAllRequests } from './monitoring';
const PORT: string = process.env.PORT || '8080';
const app = express();
app.use(countAllRequests());
app.get('/', (req, res) => {
axios
.get(`http://localhost:${PORT}/middle-tier`)
.then(() => axios.get(`http://localhost:${PORT}/middle-tier`))
.then((result) => {
res.send(result.data);
})
.catch((err) => {
console.error(err);
res.status(500).send();
});
});
app.get('/middle-tier', (req, res) => {
axios
.get(`http://localhost:${PORT}/backend`)
.then(() => axios.get(`http://localhost:${PORT}/backend`))
.then((result) => {
res.send(result.data);
})
.catch((err) => {
console.error(err);
res.status(500).send();
});
});
app.get('/backend', (req, res) => {
res.send('Hello from the backend');
});
app.listen(parseInt(PORT, 10), () => {
console.log(`Listening for requests on http://localhost:${PORT}`);
});