mxMeeple

I have a current workaround. I have downloaded and edited the main file and loaded into the container as a config. I removed only 1 line from the file: line...

TRAEFIK_FILTER is only used on the docker container/services checks, docker labels cant be grabbed by traefik poll, they might be overriding the docker filtered list (@tiredofit perhaps change their name...

This (seems) to be fixed for DOCKER_INFLUXDB_INIT_USERNAME and DOCKER_INFLUXDB_INIT_PASSWORD, having *_FILE versions to support secrets, in the [entrypoint.sh](https://github.com/influxdata/influxdata-docker/blob/master/influxdb/2.6/entrypoint.sh#L210) could we get a similar thing for DOCKER_INFLUXDB_INIT_ADMIN_TOKEN as well? currently using...

Started PR for this: #670