25 lines
687 B
JavaScript
25 lines
687 B
JavaScript
const os = require('os');
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const express = require('express');
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const app = express();
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const redis = require('redis');
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const redisClient = redis.createClient({
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host: 'redis',
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port: 6379
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});
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app.get('/', function(req, res) {
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redisClient.get('numVisits', function(err, numVisits) {
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numVisitsToDisplay = parseInt(numVisits) + 1;
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if (isNaN(numVisitsToDisplay)) {
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numVisitsToDisplay = 1;
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}
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res.send(os.hostname() +': Number of visits is: ' + numVisitsToDisplay);
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numVisits++;
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redisClient.set('numVisits', numVisits);
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});
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});
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app.listen(5000, function() {
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console.log('Web application is listening on port 5000');
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});
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