how to execute docker commands through Java program

Question

Instead of calling Docker remote APIs, I need develop a program which just talks to Docker Linux Client (not Docker daemon). Here is my code

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Answer 1

You can use docker client for java (e.g. https://github.com/spotify/docker-client). Here is example of usage:

public void startContainer(String containerId) throws Exception {
    final DockerClient docker = DefaultDockerClient.builder()
            .uri(URI.create("https://192.168.64.3:2376"))
            .dockerCertificates(new DockerCertificates(Paths.get("/Users/d.romashov/.docker/machine/machines/dinghy")))
            .build();

    docker.startContainer(containerId);
}

Answer 2

To overcome the error you're facing, you should use "-i" instead of "-it". The -t arg tells docker to allocate a pseudo tty.

Having said that, I agree with Florian, you should use the docker remote api. https://docs.docker.com/engine/reference/api/docker_remote_api/

Answer 3

I will suggest you, don't use any input or output stream, instead, write the output in a file in the docker image. And read your file in your java main Program.

Hope this helps