Docker container for Brother scanner scan key support
- $SCANNER_NAME: human-readable identifier
- $SCANNER_MODEL: model of scanner
- $SCANNER_IP_ADDRESS: IP address of scanner on LAN
- $COMPUTER_ID: identifier of device running brscan-skey (will be displayed on scanner)
- $NETWORK_INTERFACE: network interface of device running brscan-skey (use 'ip a', most likely eth0)