Public | Automated Build

Last pushed: a year ago
Short Description
A very small (16MB) OpenVPN server and client image with automated certificate management.
Full Description

Simple OpenVPN Server & Client

A very small (16MB) OpenVPN server and client image with automated certificate management.

Details

This is OpenVPN server and client for you without worrying about the complicated certificates and configurations. The main purpose is to setup network tunnels on top of a few subnets which are difficult to inter-connected. Let's get started in a very simple way:

On your server:

docker run -d --net=host --cap-add=NET_ADMIN easeway/openvpn

The purpose using --net=host is to create a VPN for your hosts. Similarly, if you want to create a VPN for a set of containers, remove '--net=host' and share this network namespace with other containers.

And on your client:

docker run -d --net=host --cap-add=NET_ADMIN easeway/openvpn SERVER-IP

By default, the OpenVPN server manages CA, and the client will ask server to issue certificate on the fly - that's how you don't need to bother certificates. Of course, this is insecure, because of the purpose.

There are a few environment variables you can use the override the default configuration:

  • VPN_PORT: the default listening port 1194.
  • VPN_SUBNET: the default is 10.8.0.0
  • VPN_NETMASK: the default is 255.255.255.0
  • VPN_ROUTES: a list of CIDR blocks to be routed by server
  • VPN_OPTIONS: other command-line arguments appended to openvpn.
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easeway
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