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docker-java

Java API client for Docker

Supports a subset of the Docker Client API v1.13, Docker Server version 1.1

Developer forum for docker-java

Build with Maven

Prerequisites:
  • Java 1.6+
  • Maven 3.0.5
  • Docker daemon running

Maven may run tests during build process but tests are disabled by default. The tests are using a localhost instance of Docker, make sure that you have Docker running for tests to work. To run the tests you have to provide your https://www.docker.io/account/login/ information:

$ mvn clean install -DskipTests=false -Ddocker.io.username=... -Ddocker.io.password=... -Ddocker.io.email=...

By default Docker server is using UNIX sockets for communication with the Docker client, however docker-java client uses TCP/IP to connect to the Docker server, so you will need to make sure that your Docker server is listening on TCP port. To allow Docker server to use TCP add the following line to /etc/default/docker

DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock"

More details setting up docket server can be found in official documentation: http://docs.docker.io/en/latest/use/basics/

Now make sure that docker is up:

$ docker -H tcp://127.0.0.1:2375 version

Client version: 0.8.0
Go version (client): go1.2
Git commit (client): cc3a8c8
Server version: 1.0.0
Git commit (server): 63fe64c
Go version (server): go1.2.1

Run build with tests:

$ mvn clean install -DskipTests=false

Docker-Java maven dependency:

<dependency>
      <groupId>com.github.docker-java</groupId>
      <artifactId>docker-java</artifactId>
      <version>0.9.0</version>
</dependency>

Latest SNAPSHOT is available from maven repo: https://oss.sonatype.org/content/groups/public

Documentation

For code examples, please look at the Wiki or Test cases

Configuration

There are a couple of configuration items, all of which have sensible defaults:

  • url The Docker URL, e.g. http://localhost:2375.
  • version The API version, e.g. 1.12.
  • username Your repository username (required to push containers).
  • password Your repository password.
  • email Your repository email.

There are three ways to configure, in descending order of precedence:

Programatic:

In your application, e.g.

DockerClient docker = new DockerClient("http://localhost:2375");
docker.setCredentials("dockeruser", "ilovedocker", "dockeruser@github.com");`
System Properties:

E.g.

java -Ddocker.io.username=kpelykh pkg.Main
File System

In $HOME/.docker.io.properties, e.g.:

docker.io.username=dockeruser
Class Path

In the class path at /docker.io.properties, e.g.:

docker.io.url=http://localhost:2375
docker.io.version=1.12