Utility for launching local containers via docker-compose.

DockerCompose.java

public class DockerCompose {
  private final File dockerSrc;
  private final Logger logger = LoggerFactory.getLogger(this.getClass());
  public DockerCompose(String dockerSrcDir) {
    dockerSrc = new File(dockerSrcDir);
    if (!dockerSrc.exists()) {
      throw new RuntimeException("Docker source path does not exist: " + dockerSrcDir);
    }
    logger.info("Docker source path: " + dockerSrc.getAbsolutePath());
  }

  public void invoke(String cmd) {
    try {
      String command = "docker-compose " + cmd;
      logger.info("$ " + command);

      String line;
      ProcessBuilder builder = new ProcessBuilder()
        .command(command.split(" "))
        .directory(dockerSrc).redirectErrorStream(true);
      Process p = builder.start();
      try {
        int errCode = p.waitFor();
        if (errCode != 0) {
          throw new RuntimeException("docker-compose returned exit code " + errCode);
        }
      }
      catch (InterruptedException e) {
        throw new RuntimeException("docker-compose interrupted");
      }
      BufferedReader input =
          new BufferedReader
              (new InputStreamReader(p.getInputStream()));
      while ((line = input.readLine()) != null) {
        logger.info("> " + line);
      }
      input.close();
    }
    catch (IOException e) {
      throw new RuntimeException("Docker-Compose error", e);
    }
  }
}