raspberry pi4 8gb with docker . need support for create image or deploy all

[githubsharezone]

i try deploy on my raspberry pi 4 8gb

uname -a
Linux raspberrypi 5.10.92-v8+ #1514 SMP PREEMPT Mon Jan 17 17:39:38 GMT 2022 aarch64 GNU/Linux

with docker

root@raspberrypi:/openwrt# docker -v
Docker version 20.10.12, build e91ed57

but i dont undestand the procedure because i clone git and execute

/docker-build.sh $VERSION=21.02.1 $TARGET=aarch64_generi $DOCKER_USER=admin $DOCKER_PASS=admin

• cp '' ./build/Dockerfile
  cp: impossibile eseguire stat di '': File o directory non esistente

but nothing

i try with

root@raspberrypi:/openwrt# docker run --rm -it openwrtorg/aarch64_generic
Unable to find image 'openwrtorg/aarch64_generic:latest' locally
docker: Error response from daemon: pull access denied for openwrtorg/aarch64_generic, repository does not exist or may require 'docker login': denied: requested access to the resource is denied.
See 'docker run --help'.

but nothing

can help me