intercert

command module
Version: v0.0.2 Latest Latest
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Published: May 1, 2019 License: MIT Imports: 3 Imported by: 0

README

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Brings Let's Encrypt to LAN and other locked down environments.


This is a work in progress (unstable). Contributions are very welcome!

How it works

  1. A server instance is running somewhere in your network infrastructure, with network access to your DNS provider of choice and the ACME directory you'll want to use (Let's Encrypt most likely).
    The server is configured with the DNS names you control (e.g. somecompany.io and other.co).
  2. Clients are deployed on the machines where you need the certificates for your applications.
  3. Certificates magically appear on the client machine in the directory you've configured.

Deployment diagram

                                                                                        
                                             LAN                                        
  +------------------------------------------------------------------------------------+
  |                                                                                    |
  |                                                                                    |
  |                                                                                    |
  |                     Server 1                                                       |
  |  +--------------------------------------------+                                    |
  |  |                                            |                                    |
  |  | my-db.somecompany.io                       |                                    |
  |  |  app1.somecompany.io   intercert (client)  |                                    |
  |  |  app2.somecompany.io                       |          +-----------------------+ |
  |  +--------------------------------------------+----------|                       | |
  |                                                          |                       | |
  |                     Server N                             |   intercert (server)  | |
  |  +--------------------------------------------+----------|                       | |
  |  |                                            |          +-----------------------+ |
  |  | redis.somecompany.io                       |           /                   |    |
  |  |    intranet.other.co   intercert (client)  |          /                    |    |
  |  |                                            |         /                     |    |
  |  +--------------------------------------------+        /                      |    |
  |                                                       /                       |    |
  +------------------------------------------------------/------------------------|----+
                                      +------------------        +----------------|-+   
                                      |                 |        |                  |   
                                      |   DNS-provider  |        |   ACME provider  |   
                                      |                 |        |                  |   
                                      +-----------------+        +------------------+                                                   

Thanks

A huge thanks to these projects

  • certmagic - does the hard work for intercert
  • lego - the underpinning library for certmagic, and provides the DNS validation capability

Documentation

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