--- title: minimesos 0.13.0 - Support for Marathon application groups description: Today we released minimesos 0.13.0. In this version we have added support for Marathon group deployments. With this change you can quickly deploy application groups using the minimesos install command. In minimesos the install command is used to deploy applications on the cluster. --- [Cloud Native Blog - Container Solutions ](https://blog.container-solutions.com) # [minimesos 0.13.0 - Support for Marathon application groups](https://blog.container-solutions.com/minimesos-0-13-0-support-marathon-application-groups) Written by [Frank Scholten](https://blog.container-solutions.com/author/frank-scholten) | Mar 10, 2017 7:51:09 PM Today we released [minimesos 0.13.0](https://github.com/ContainerSolutions/minimesos/releases/tag/0.12.0). In this version we have added support for Marathon group deployments. With this change you can quickly deploy application groups using the `minimesos install` command. # Deploying an application group In minimesos the install command is used to deploy applications on the cluster. With this version you can install entire groups using the `--group` flag. See the following JSON file with two application definitions of netcat. ``` { "id": "/hello", "groups": [ { "id": "/hello/group", "apps": [ { "id": "/hello/group/app1", "cmd": "while true ; do echo \"Hello from app1\" | nc -l -p $PORT0; done", "cpus": 0.1, "mem": 16.0, "instances": 1 }, { "id": "/hello/group/app2", "cmd": "while true ; do echo \"Hello from app2\" | nc -l -p $PORT0; done", "cpus": 0.1, "mem": 16.0, "instances": 1 } ] } ] } ``` Let's deploy the group: ``` minimesos install --group hello.json ``` We can now use the `minimesos ps` command to list the tasks. ``` minimesos ps (out) FRAMEWORK TASK STATE PORT (out) marathon app2.group.hello TASK_RUNNING 31600 (out) marathon app1.group.hello TASK_RUNNING 31545 (out) marathon weave-scope TASK_RUNNING 31266 ``` We have also added a new column `PORT` with the port that was offered by Mesos. We can now easily connect to the applications using the `.mm` domain name and the port number. ``` curl -v app1.group.hello.marathon.mm:31545 (out) Hello from app1 $ curl -v app2.group.hello.marathon.mm:31600 (out) Hello from app2 ``` If you didn't know about this DNS feature check out my previous blog on [Mesos DNS support](http://container-solutions.com/minimesos-0-12-0-mesos-dns-dnsmasq-support/) that was added in minimesos 0.12.0. You can also add a `group` block inside the `marathon` block to install groups on startup like this: ``` marathon { // BEWARE: this option customize the marathon starting command, changing it can break the cluster cmd = "--master zk://minimesos-zookeeper:2181/mesos --zk zk://minimesos-zookeeper:2181/marathon" imageName = "mesosphere/marathon" imageTag = "v1.3.5" // Add 'app { marathonJson = "" }' for every task you want to execute app { marathonJson = "https://raw.githubusercontent.com/ContainerSolutions/minimesos/master/opt/apps/weave-scope.json" } group { marathonJson = "hello.json" } } ``` # What happened to the --marathonFile flag? The `--marathonFile` flag of the `install` command is now deprecated since we now have two flags: `--app` and `--group` for app and group deployments respectively. See the help documentation: ``` minimesos install Install a Marathon application or application group Usage: install [options] Options: --app Relative path or URL to a JSON file with a Marathon app definition. See https://mesosphere.github.io/marathon/docs/application-basics.html. --group Relative path or URL to a JSON file with a group of Marathon apps. See https://mesosphere.github.io/marathon/docs/application-groups.html. --marathonFile [Deprecated - Please use --marathonApp] Relative path or URL to a JSON file with a Marathon app definition. --stdin Read JSON file with Marathon app or group definition from stdin. Default: false --update Update a running application instead of attempting to deploy a new application Default: false ``` # Keep in touch Thanks for reading! Keep in touch by commenting on the blog, talking to us at [@minimesos](https://twitter.com/minimesos) and [@ContainerSoluti](https://twitter.com/Containersoluti) or ask a question on the [mailing list](https://groups.google.com/forum/#!forum/minimesos). Do you have an idea on how to improve minimesos? Please open an issue or add a PR at the [minimesos](https://github.com/containersolutions/minimesos) Github repo. We hope you find minimesos useful. See you next time! 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