<commit_before># Dragonfly docker files

There are three docker repositories maintained in this repository, all based on ubuntu (switch branches to switch
your base ubuntu version). Dockers built here are available from https://docker.dragonfly.co.nz. The three dockers
are:

1. `dragonfly-base` - Based on ubuntu, with New Zealand localisation and a deployhub user <commit_msg>tweak the README<commit_after># Dragonfly docker files

There are some dragonfly dockers maintained in this repository, all based on ubuntu (switch branches to switch
your base ubuntu version). Dockers built here are available from https://docker.dragonfly.co.nz. The dockers
are:

1. `dragonfly-base` - Based on ubuntu, with New Zealand localisation and a deployhub user 
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