on ubuntu `sudo -u` doesn't set homedirectory of the targeted user althought debian does. it requires the option `-H`. I think with this option it works in both case.
* First pass at a (swarm-compatible) docker image
Uses an existing traefik server as a https reverse proxy.
* Add example config for a Docker swarm deployment
* Point to traefik config for docker compose setup
* Clarify that traefik is needed for the example config
* Use node:8-stretch base image and don't install yarn
(The base image already contains yarn.)
* Initial commit for an Alpine Docker image
* Fix docker volume path
* Merge #213 and #225 and move files around
* Remove unnecessary dependencies from the alpine build
* Update Dockerfiles to match install path, config path, etc.
* Update the configuration in the example compose file
* Update the configuration in the example swarm file
* Remove the declared networks and volumes from the compose example, which are not strictly required
* Update attachment path in the documentation
* Display traefik as a suggestion and not a required dependency
* Update the Docker ignored files
* Fix typos reported in #225
* Move production Dockerfiles to a production directory
* Add the redis configuration settings
* Add Docker files to the dockerignore
* Make the signup limit configurable
