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geo-ip-service

v0.1.1

Published

GeoIP middleware to provide ip based info leveraging maxmind Geo City databases

Downloads

8

Readme

Geo IP lookup service

TLDR HTTP Middleware to look up geo information by IP. Using maxmind's binary database format.

Usually we run this as a microservice and expose to other services that want to dynamically fetch it, getting a blazing fast results due to cache usage, rather than installing it in every project which might need it.

Project

Instalation:

npm install --save geo-ip-service

Usage:

Package exports 3 modules

  • iplookup (an initialized Reader if you want to use it directly in your code by giving it an IPv4 or IPv6 address)
  • getMiddleware (a factory function if you want to mount it to your existing server application as a middleware, see examples/)
  • createServer (if you want to simply run it as individual http service, see example/native-http.js)

Updating using postinstall script:

  • if you provide it with a MAXMIND_LICENSE_KEY in env vars, a postinstall script will update the database with the latest one from maxmind servers. In case that headers from maxminds origin server [Last Modified] matches state on disk, it will skip download, so you don't get downloads happening on repeated npm installs