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next / express / next-routes
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Check if host and port is available.
Check if a TCP port is reachable. Returns connection time in milliseconds.
var tcp = require('tcp-connect');
tcp(google.com, 80, 1000)
.then(() => console.log('google.com is available'))
.catch(() => console.log('no luck this time'));Tests are best run in docker:
docker-compose run tcp-connect npm test