I thought I'd add my experiences of using the container from DOliana /
LMS in Docker. In general it works well.
- I used to roll my own. But the automated pipeline that DOliana means
the container is always fresh. I like it. I'm not about to get
involved in the update in place discussion, but I can easily pull the
new image when there is an update, and it just works. :)
- You need to use the host based networking (or the default bridge)
for LMS. I struggled for a long time to work in a Docker isolated
network, but I assume LMS is doing some low level packet work that
simply isn't compatible. (This is the case even with a remote
library.)
- I'm one of those weird souls who uses Swarm. The need for host based
networking means load balanced ingress networking doesn't work. :(
- It runs well across my Swarm made of Raspberry Pi's and amd64
systems.
- If the container shifts nodes, plays can reconnect fine (obviously
the volume data needs to move too).
- My main pain at the moment is that in LMS remote libraries appear to
require an IP (rather than a hostname). I'm exploring keepalived to
provide a virtual/floating ip address that will point to the
node/container that is running LMS and not need to keep poking at the
players.
- If remote libraries allowed for the use of a hostname, I could use
DNS to failover. But never mind.
- If you set up a new player, you also need to have a locally running
container that the player does discovery of to at least once.
Otherwise you cannot use remote libraries. The setup routine insists
upon it.
- Because of the need for host networking, you might as well use
--network host and not worry about port forwarding. :) (Though I can't
in Swarm.) Then the average person doesn't need to worry what ports
are being used by what plugin, etc. Slightly more insecure, but no
less than a local installation.
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