I now pull an image so just so I can tag it and push it to my private Docker Registry to test this out. WARNING! Your password will be stored unencrypted in /root/.docker/config.json.Ĭonfigure a credential helper to remove this warning. I now login to my Docker private registry from inside the container. I run docker version to test the Docker install and Docker client to Docker daemon connection. I install Docker in the container so I can issue Docker commands from inside the container. # apt update -qq apt install -qq -y curl > /dev/null 2>&1Ģ packages can be upgraded. Need to install curl in the container so I can curl the Docker code and install Docker in the container. I did a volume mount of the Docker Node’s Unix socket so the container can talk to the Docker daemon on the node. The Docker daemon (engine) will not be running in the container, but the Docker CLI client will be available so I can run Docker commands to the Docker daemon installed on the Docker Node. □ $ docker container run -it -network=host -rm -volume /var/run/docker.sock:/var/run/docker.sock ubuntu:latest sh I’ll bring up a shell prompt in a container to demonstrate. I’ll show you how I did this and this should help you try and “debug” your problem. Would be good if you could provide more details and also put “echo” commands in your workflow to trace the steps being performed. The login might have worked but then that error could be from another user or process in your build process that did not do a docker login who is trying to access your private registry ( ). Error response from daemon: Get : unauthorized: authentication required opt/TeamCity/agent/docker_volumes:/var/lib/dockerĪlso I am assuming that this url is the private Docker Registry?Īlso, it’s not clear to me (and you should not assume) that this error: opt/TeamCity/agent/system:/opt/buildagent/system opt/TeamCity/agent/plugins:/opt/buildagent/plugins opt/TeamCity/agent/tools:/opt/buildagent/tools opt/TeamCity/agent/temp:/opt/buildagent/temp opt/TeamCity/agent/work:/opt/buildagent/work var/run/docker.sock:/var/run/docker.sock ![]() opt/TeamCity/agent/conf:/data/teamcity_agent/conf TEAMCITY_SERVER_MEM_OPTS=-Xmx4g -XX:ReservedCodeCacheSize=350m opt/TeamCity/data:/data/teamcity_server/datadir Error response from daemon: Get privateDockerRegistry: unauthorized: authentication required WARNING! Using -password via the CLI is insecure. But when it performs a command login we get an exception: We use docker push for put image in private repo. ![]() We have a teamcity server and teamcity agent as containers, in it we have a build which builds and publishes our project. Hello, I can’t login from container to private repository (local hub).
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