Enable local driver for log rotation

[yanokwa]

Closes #231. For this PR, I verified that on the QA server...

• docker-compose logs service outputs logs
• sudo docker ps -qa | sudo xargs docker inspect --format='{{.LogPath}}' | sudo xargs ls -hl shows a reduction in log size
• docker inspect <container> shows max-file as a config

As detailed at https://docs.docker.com/config/containers/logging/local/#options, this defaults to a 20M file for each log and 5 maximum files (each compressed).

In a 3 month period, we expect 15MB for service and 640MB for nginx for a very active server, so the defaults for 100MB for service (because it's less stuff in docker-compose) and 600MB for nginx seem like good conservative defaults. We can dial the latter down if necessary.

This risk of this PR is that we are possibly throwing away old logs and someone might find that objectionable.

[yanokwa]

@issa-tseng, per your suggestion, I looked into what version we would need...

Support for the local driver was added to docker-compose in v1.28.3 (docker/compose#8082).

We recommend this DigitalOcean droplet which runs docker-compose v1.27.4, so we should add docs for v1.3 that people need to upgrade their docker-compose.

Instructions are at https://docs.docker.com/compose/install/ and I can confirm it works on the droplet.

sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

We use v1.29.2 on ODK Cloud and it works great.