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connect-service-healthcheck

v3.0.0

Published

Connect middleware for adding healthchecks to services

Downloads

16

Readme

connect-service-healthcheck

NPM

Build Status

Adds healthcheck routes to your service.

  • / - checks if your web server is serving traffic
  • /detailed - checks if the web server can hit its dependencies
  • /memory - performs a memory dump
  • /version - returns the current version of the service

How to use

var express = require('express'),
  healthcheck = require('connect-service-healthcheck'),
  version = require('./version');

var app = express();
app.use(
  '/healthcheck',
  healthcheck({
    componentHealthchecks: function() {
      return {foo: BPromise.resolve('foo is good')};
    },
    memoryName: 'name',
    memoryPass: 'pass',
    version: version
  })
);

Configuration

The middleware expects an options object with four members:

  • componentHealthchecks (mandatory) - An object containing functions returning a promise that checks a dependent component
  • memoryName (mandatory) - a username necessary for performing a memory dump
  • memoryPass (mandatory) - a password necessary for performing a memory dump
  • version (optional) - an object containing version information