haproxy:3.2-alpine vs traefik:v3

The short answer

• haproxy:3.2-alpine is 157 MB smaller unpacked on amd64 (39 MB vs 195 MB, 80% less).
• As a download, haproxy:3.2-alpine is 18 MB compressed against 55 MB for traefik:v3: 3.1× less to pull.
• haproxy:3.2-alpine has fewer known vulnerabilities: 0 (0 critical or high) against 5 (1 critical or high) in traefik:v3.
• 4 of traefik:v3's 5 findings have a fixed version available upstream.
• Alpine images use musl libc instead of glibc. Most software runs unchanged; prebuilt binaries linked against glibc (some Python wheels, Node native modules, vendor agents) may not.
• Packages detected: 24 in haproxy:3.2-alpine, 377 in traefik:v3.
• Filesystem layers: 6 vs 4.
• Platforms: only haproxy:3.2-alpine ships arm/v7, i386.