$ apk add --update binutils
(1/2) Installing binutils-libs (2.28-r2)
(2/2) Installing binutils (2.28-r2)
Executing busybox-1.26.2-r5.trigger
OK: 13 MiB in 14 packages

$ readelf
Usage: readelf  elf-file(s)
 Display information about the contents of ELF format files
 Options are:
  -a --all               Equivalent to: -h -l -S -s -r -d -V -A -I
  -h --file-header       Display the ELF file header
  -l --program-headers   Display the program headers