Running an IPv6-only host — redux

I have previously blogged about why you should consider IPv6 only hosting and setting up Apps on Kubernetes IPv6 to run my WordPress blog.

Kubernetes is not really designed for a single server (but is great for scaling and enterprise system), and although it was good experience learning how to set it up on IPv6, the overhead was too much and I eventually ended up with a crashed blog.

I'm still running IPv6 only, but with a much simpler set up.

This consists of docker, configured to run with IPv6, with docker-compose to run the different components and systems.

If you are planning on setting up your own server, read my notes on Securing your IPv6-only docker server before starting.

On my server there are currently three instances of WordPress for different websites, and 3 corresponding databases, as well as a Matrix Synapse server and plugins.

Read on for my notes on initial setup of the server with IPv6 and connectivity testing, including addressing schemes, docker configuration, IPv6 network address translation, and the Network Discovery Protocol Proxy Daemon.

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