More later:

Usage: depot [options] <package> [<package> ...]

-h --help show this help message and exit --version show program's version number and exit -s URI --storage=URI URI for storage provider, checks $DEPOT_STORAGE or local:// -c NAME --codename=NAME Debian distribution codename [default: lucid] --component=NAME Debian component name [default: main] -a ARCH --architecture=ARCH package architecture if not specified in package -k KEYID --gpg-key=KEYID GPG key ID to use for signing --no-sign do not sign this upload --no-public do not make cloud files public-readable

Example: depot -s s3://apt.example.com -c precise -k 6791B14F mypackage.deb