portage on debian?!

emerge--info

root@2c7ec00cedc7:/# emerge --info
Portage 3.0.18 (python 3.7.3-final-0, embedded, gcc-8, unavailable, 5.10.4-gentoo x86_64)
=================================================================
System uname: Linux-5.10.4-gentoo-x86_64-with-debian-10.9
Timestamp of repository gentoo: Mon, 05 Apr 2021 00:45:01 +0000
Head commit of repository gentoo: f3f73a67dccda8e0d848f92ee1682fa0749f5088
sh sh
ld GNU ld (GNU Binutils for Debian) 2.31.1
Repositories:

gentoo
    location: /usr/local/lib/python3.7/dist-packages/var/db/repos/gentoo
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-metamanifest: yes
    sync-rsync-extra-opts: 
    sync-rsync-verify-max-age: 24

ACCEPT_LICENSE="@FREE"
CFLAGS="-Os -pipe"
CONFIG_PROTECT="/etc"
CONFIG_PROTECT_MASK="/etc/env.d"
CXXFLAGS="-Os -pipe"
DISTDIR="/usr/local/lib/python3.7/dist-packages/var/cache/distfiles"
FCFLAGS="-Os -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-Os -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LDFLAGS=""
LINGUAS="en"
PKGDIR="/usr/local/lib/python3.7/dist-packages/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/usr/local/lib/python3.7/dist-packages/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/usr/local/lib/python3.7/dist-packages/var/tmp"
USE="kdrive minimal multicall zlib" INPUT_DEVICES="evdev" KERNEL="linux" USERLAND="GNU" VIDEO_CARDS="fbdev"
Unset:  ACCEPT_KEYWORDS, CBUILD, CC, CHOST, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, ENV_UNSET, INSTALL_MASK, LANG, LC_ALL, MAKEOPTS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS

root@2c7ec00cedc7:/# cat /etc/os-release 
PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"