Step 12/24 : RUN curl -L https://nixos.org/nix/install | sh
 ---> Running in 50a5de1d0171
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  4064  100  4064    0     0  16793      0 --:--:-- --:--:-- --:--:-- 16793
downloading Nix 2.11.1 binary tarball for x86_64-linux from 'https://releases.nixos.org/nix/nix-2.11.1/nix-2.11.1-x86_64-linux.tar.xz' to '/tmp/nix-binary-tarball-unpack.dbf0P6M61i'...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 19.4M  100 19.4M    0     0  4210k      0  0:00:04  0:00:04 --:--:-- 4426k
Note: a multi-user installation is possible. See https://nixos.org/manual/nix/stable/installation/installing-binary.html#multi-user-installation
warning: installing Nix as root is not supported by this script!
performing a single-user installation of Nix...
directory /nix does not exist; creating it by running 'mkdir -m 0755 /nix && chown root /nix' using sudo
/tmp/nix-binary-tarball-unpack.dbf0P6M61i/unpack/nix-2.11.1-x86_64-linux/install: 140: sudo: not found
/tmp/nix-binary-tarball-unpack.dbf0P6M61i/unpack/nix-2.11.1-x86_64-linux/install: please manually run 'mkdir -m 0755 /nix && chown root /nix' as root to create /nix
The command '/bin/sh -c curl -L https://nixos.org/nix/install | sh' returned a non-zero code: 1

¯\_(ツ)_/¯