HI
I am trying to build a multiarc docker image.
Therfore I have run an dind docker 19-03.
docker run --privileged --network bennis-runner-net --name dind --network-alias docker \
-e DOCKER_DRIVER=overlay2 -e DOCKER_TLS_CERTDIR=/certs -v $(pwd)/certs:/certs docker:19.03.5-dind --experimental
Then I build my own docker which is just a docker:19:03
FROM docker:19.03.5
RUN mkdir -p /etc/docker && echo ‘{“experimental”: true}’ > /etc/docker/daemon.json
RUN mkdir -p ~/.docker/cli-plugins &&
wget -O ~/.docker/cli-plugins/docker-buildx https://github.com/docker/buildx/releases/download/v0.3.1/buildx-v0.3.1.linux-amd64 &&
chmod a+x ~/.docker/cli-plugins/docker-buildx && \VOLUME /var/lib/docker
EXPOSE 2375 2376
then run
docker run -it --network bennis-runner-net --privileged -e DOCKER_HOST=tcp://docker:2376 -e DOCKER_TLS_VERIFY=1 -v /var/run/docker.sock:/var/run/docker.sock
-e DOCKER_CERT_PATH=/certs/client -v $(pwd)/…/certs/client:/certs/client -v $(pwd)/qemu-arm-static:/usr/local/bin/qemu-arm-static -e DOCKER_CLI_EXPERIMENTAL=enabled owndocker /bin/sh
I got buildx up and running inside my dind docker , but i can just use the driver docker
I want to use the driver docker-container. I have tried to enable the qemu–user-static and binfmt-support. I have tried to get it work but i just cant get it work.
When I want to create
docker buildx create --driver docker-container --name mybuilder
i get the following message
could not create a builder instance with TLS data loaded from environment. Please use `docker context create <context-name>` to create a context for current environment and then create a builder instance with `docker buildx create <context-name>`
So it cant use the binfmt. On my host system with the normal docker deamon it works fine. I got the arm support running.
Anyone an idea how to get it work?