Proposal

Why

Provide a Podman container that runs CUPS and shares the Brother HL-4150CDN network printer as an AirPrint and IPP printer. Clients should be able to print without installing local printer drivers.

What Changes

Create a Containerfile for Podman (based on a Linux distro that supports CUPS and 32-bit binaries)
Extract and install Brother driver files (from assets/Brother HL-4150CDN/ - local .deb packages: hl4150cdnlpr and hl4150cdncupswrapper) needed for HL-4150CDN
Configure CUPS to run in the container and share the network printer
Enable mDNS/Avahi for AirPrint discovery
Provide minimal runtime configuration (ports 631, 5353/udp) and documentation for running with podman
Handle 32-bit dependencies required by Brother i386 binaries

Capabilities

New Capabilities

printserver/cups: Containerized CUPS print server with AirPrint/IPP sharing and Brother HL-4150CDN driver support

Modified Capabilities

None

Impact

New Containerfile (and possibly supporting files) in repository root
Uses Brother driver artifacts in assets/Brother HL-4150CDN/
Runtime ports: CUPS (631), mDNS (5353/udp) for AirPrint
Depends on Avahi/DBus, CUPS, and 32-bit compatibility libs for Brother binaries

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