mac-physical-10:data teppotestaaja$ docker container prune
WARNING! This will remove all stopped containers.
Are you sure you want to continue? [y/N] y
Deleted Containers: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Total reclaimed space: 55.71GB
mac-physical-10:data teppotestaaja$ cd ~
mac-physical-10:~ teppotestaaja$ cd Documents/
mac-physical-10:Documents teppotestaaja$ ./build.sh
sed: -i may not be used with stdin
Sending build context to Docker daemon  1.962GB
Step 1/9 : FROM ubuntu:20.04
 ---> 74435f89ab78
Step 2/9 : RUN apt-get update     && DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends     curl file xz-utils locales git-core make cmake gcc g++ python3     vim less     && rm -rf /var/lib/apt/lists/*
 ---> Using cache
 ---> ba71c9e86fc2
Step 3/9 : RUN locale-gen en_US.UTF-8
 ---> Using cache
 ---> 6f32362d98e6
Step 4/9 : ENV LC_ALL en_US.UTF-8
 ---> Using cache
 ---> 3e65138b418e
Step 5/9 : COPY toolchain.sh toolchain.sh
 ---> Using cache
 ---> 951e50056135
Step 6/9 : RUN chmod +x toolchain.sh &&     ./toolchain.sh -d /opt/toolchain -y &&     rm toolchain.sh &&     chown -R 504:20 /opt/toolchain
 ---> Running in 58b02b06c0ca
Poky (Yocto Project Reference Distro) SDK installer version 3.1
===============================================================
You are about to install the SDK to "/opt/toolchain". Proceed [Y/n]? Y
Extracting SDK................................................................................................................................................................................................................................................................................................................................................................................................................................................................done
Setting it up...done
SDK has been successfully set up and is ready to be used.
Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g.
 $ . /opt/toolchain/environment-setup-aarch64-poky-linux
Removing intermediate container 58b02b06c0ca
 ---> 405929021e30
Step 7/9 : RUN grep "export PATH" /opt/toolchain/environment-setup-*  > /etc/profile.d/toolchain.sh
 ---> Running in dd4da45baea9
Removing intermediate container dd4da45baea9
 ---> 7a2b372192fb
Step 8/9 : USER qt
 ---> Running in f3796edf3e53
Removing intermediate container f3796edf3e53
 ---> 8ffa4ee39554
Step 9/9 : ENTRYPOINT ["/bin/bash", "-l"]
 ---> Running in 358e7c5f7f88
Removing intermediate container 358e7c5f7f88
 ---> 83e169f2ab27
Successfully built 83e169f2ab27
Successfully tagged b2qt-qemuarm64:6.0.0
mac-physical-10:Documents teppotestaaja$