$  sudo docker-compose exec musicbrainz env | sort ; sudo docker-compose exec musicbrainz bash -c env | sort
DEBIAN_FRONTEND=teletype
HOME=/root
HOSTNAME=97a281f13db2
LANG=en_US.UTF-8
LANGUAGE=en_US:en
LC_ALL=en_US.UTF-8
MUSICBRAINZ_CATALYST_DEBUG=0
MUSICBRAINZ_DEVELOPMENT_SERVER=0
MUSICBRAINZ_SEARCH_SERVER=search:8983/solr
MUSICBRAINZ_STANDALONE_SERVER=0
MUSICBRAINZ_USE_PROXY=1
MUSICBRAINZ_WEB_SERVER_HOST=192.168.168.228
MUSICBRAINZ_WEB_SERVER_PORT=5000
NODE_ENV=production
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
POSTGRES_PASSWORD=musicbrainz
POSTGRES_USER=musicbrainz
TERM=xterm
DEBIAN_FRONTEND=teletype
HOME=/root
HOSTNAME=97a281f13db2
LANG=en_US.UTF-8
LANGUAGE=en_US:en
LC_ALL=en_US.UTF-8
MUSICBRAINZ_CATALYST_DEBUG=0
MUSICBRAINZ_DEVELOPMENT_SERVER=0
MUSICBRAINZ_SEARCH_SERVER=search:8983/solr
MUSICBRAINZ_STANDALONE_SERVER=0
MUSICBRAINZ_USE_PROXY=1
MUSICBRAINZ_WEB_SERVER_HOST=192.168.168.228
MUSICBRAINZ_WEB_SERVER_PORT=5000
NODE_ENV=production
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
POSTGRES_PASSWORD=musicbrainz
POSTGRES_USER=musicbrainz
PWD=/musicbrainz-server
SHLVL=1
TERM=xterm
_=/usr/bin/env