The first number represents the port on the host 'publishes') port 8080 of the current container to Other Docker tools to connect to the Docker daemon from the previous step.

Specifies the environment variables used by docker, docker-compose, and Jenkins container through the hostname docker. This makes the Docker daemon from the previous step available to this

Option, then the running Docker log for this container is output in the terminalĬonnects this container to the jenkins network defined in the earlier 'detached' mode) and outputs the container ID. ( Optional ) Runs the current container in the background If it is manually stopped, it is restarted only when Docker daemon restarts or the container itself is manually restarted. ( Optional ) Specifies the Docker container name for this instance ofĪlways restart the container if it stops. The storage driver for the Docker volume. This image can be downloaded before runningīy using the command: docker image pull docker:dind. Useful for executing docker commands on the host machine to control this ( Optional ) Exposes the Docker daemon port on the host machine. This will allow for other DockerĬontainers controlled by this Docker container’s Docker daemon to mount data Maps the /var/jenkins_home directory inside the container to the Docker Maps the /certs/client directory inside the container toĪ Docker volume named jenkins-docker-certs as created above. This environment variable controls the rootĭirectory where Docker TLS certificates are managed. Of a privileged container, this is recommended, though it requires the use of Makes the Docker in Docker container available as the hostname dockerĮnables the use of TLS in the Docker server. This corresponds with the network created in the earlier step. This requirement may be relaxed with newer Linux kernel versions.

Running Docker in Docker currently requires privileged access to function This instanceĬan be stopped later by running docker stop jenkins-docker. ( Optional ) Runs the Docker container in the background. ( Optional ) Automatically removes the Docker container (the instance of the Docker image) when it is shut down. By default, Docker will generate a unique name for the container.

( Optional ) Specifies the Docker container name to use for running the

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