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How to implement docker container technology in java

小老鼠

Release： 2024-03-08 10:19:38

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Implementation method: 1. Add the Docker Java API dependency to your project; 2. Create a Docker client; 3. Use the Docker client to create and start a Docker container.

How to implement docker container technology in java

To implement Docker container technology in Java, you can use the Docker Java API. The Docker Java API is a Java library that communicates with the Docker daemon to manage and operate Docker containers.

The following is a simple example that demonstrates how to use the Docker Java API to create and start a Docker container:

1. Add the Docker Java API dependency into your project. You can add the following dependencies in Maven or Gradle:

Maven:

<dependency>
    <groupId>com.github.docker-java</groupId>
    <artifactId>docker-java</artifactId>
    <version>3.2.2</version>
</dependency>

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Gradle:

compile &#39;com.github.docker-java:docker-java:3.2.2&#39;

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2. Create a Docker client:

import com.github.dockerjava.api.DockerClient;
import com.github.dockerjava.core.DockerClientBuilder;
import com.github.dockerjava.core.DockerClientConfig;
DockerClientConfig config = DockerClientConfig.createDefaultConfigBuilder().build();
DockerClient dockerClient = DockerClientBuilder.getInstance(config).build();

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3 , Use the Docker client to create and start a Docker container:

import com.github.dockerjava.api.command.CreateContainerResponse;
import com.github.dockerjava.api.model.HostConfig;
import com.github.dockerjava.api.model.PortBinding;
import com.github.dockerjava.core.command.PullImageResultCallback;
// 先拉取一个镜像
dockerClient.pullImageCmd("nginx:latest").exec(new PullImageResultCallback()).awaitSuccess();
// 创建一个容器
CreateContainerResponse container = dockerClient.createContainerCmd("nginx:latest")
    .withName("my-nginx-container")
    .withPortBindings(PortBinding.parse("80:80"))
    .withHostConfig(HostConfig.newHostConfig().withAutoRemove(true))
    .exec();
// 启动容器
dockerClient.startContainerCmd(container.getId()).exec();

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