plashfile

--from
alpine:3.15

--run
apk add --no-cache curl gnupg python3 xz bash make gcc libc-dev fuse-overlayfs

--layer
--run

mkdir /opt/zpkg
cd /opt/zpkg
curl -Lf https://raw.githubusercontent.com/ihucos/plash/master/setup.sh | sh
curl -Lf https://github.com/ihucos/zpkg/archive/master.tar.gz | tar -xzC /opt/zpkg --strip-components=1

--write-script
/usr/local/bin/zpkg
#!/bin/sh
export PLASH_INIT_UNION_TASTE=fuse-overlayfs
exec /opt/zpkg/src/zpkg "$@"

--entrypoint
/usr/local/bin/zpkg