The document provides instructions for managing Docker containers, particularly for setting up a MySQL container using the Docker client. It outlines commands for creating, starting, stopping, and removing containers, as well as includes a Dockerfile example for initializing a MariaDB container. Key functions include pulling images, exposing ports, and running initialization scripts for databases.

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docker run --name my-ubuntu-container –it ubuntu
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docker ps
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docker stop my-ubuntu-container
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docker ps my-ubuntu-container

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8. DockerClient dockerClient = DefaultDockerClient.fromEnv().build();
// Pull MySQL image
String imageName = "mysql:5.7.21";
dockerClient.pull(imageName); // Pull the MySQL image
// Create and start a MySQL container with exposed port
ContainerConfig containerConfig = ContainerConfig.builder()
.image(imageName)
.exposedPorts("3306")
.build();
ContainerCreation creation = dockerClient.createContainer(containerConfig);
dockerClient.startContainer(creation.id());
// Stop and remove container
dockerClient.stopContainer(containerId, 30);
dockerClient.removeContainer(containerId);
@Before
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Demo

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10. Demo

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13. Demo

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15. Dockerfile
FROM mariadb:5.5.44
ADD run_db init_db dump.sql /tmp/
RUN chmod u+x /tmp/init_db /tmp/run_db
# init_db will import the dump, then stop mysqld, and finally package
# the /var/lib/mysql directory to 'default_mysql_db.tar.gz‘
RUN /tmp/init_db
# run_db starts mysqld, but first it checks to see if the /var/lib/mysql
# directory is empty. if it is, it is seeded with
# 'default_mysql_db.tar.gz' before the mysql is fired up
ENTRYPOINT "/tmp/run_db"

16. Demo

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Demo

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