uppy/packages/@uppy/companion/env_example

NODE_ENV=dev
COMPANION_PORT=3020
COMPANION_DOMAIN=uppy.xxxx.com
COMPANION_SELF_ENDPOINT=uppy.xxxx.com

COMPANION_PROTOCOL=https
COMPANION_DATADIR=/mnt/uppy-server-data
COMPANION_SECRET=
COMPANION_SECRET_FILE=

COMPANION_DROPBOX_KEY="dropbox_key"
COMPANION_DROPBOX_SECRET="dropbox_secret"
COMPANION_DROPBOX_SECRET_FILE="path/to/dropbox/secret"

COMPANION_GOOGLE_KEY=
COMPANION_GOOGLE_SECRET=
COMPANION_GOOGLE_SECRET_FILE=

COMPANION_INSTAGRAM_KEY=
COMPANION_INSTAGRAM_SECRET=
COMPANION_INSTAGRAM_SECRET_FILE=

COMPANION_FACEBOOK_KEY=
COMPANION_FACEBOOK_SECRET=
COMPANION_FACEBOOK_SECRET_FILE=

COMPANION_AWS_KEY=
COMPANION_AWS_SECRET=
COMPANION_AWS_SECRET_FILE=
COMPANION_AWS_BUCKET=
COMPANION_AWS_ENDPOINT=
COMPANION_AWS_REGION=