Running the API Gateway Container

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Before starting webMethods API Gateway, ensure that the main memory and the kernel settings of your docker host are correctly configured. The docker host should provide at least 4 GB of main memory. Since webMethods API Gateway comes with an Elasticsearch, the vm.max_map_count kernel setting needs to be set to at least 262144. You can change the setting on your docker host by running the following command:

sysctl -w vm.max_map_count=262144

For further details about the important system settings to be considered, see the Elasticsearch documentation.

Start the webMethods API Gateway image using the docker run command:
```
docker run -d -p 5555:5555 -p 9072:9072 -name apigw is:apigw
```
The docker run is parameterized with the IS and the webApp port exposed by the Docker container. If you have configured different ports for IS and UI, the call has to be adapted accordingly. The name of the container is set to apigw.

Verfiy the status of the Docker container by running the docker ps command.

A sample output looks as follows:


CONTAINER ID  IMAGE      COMMAND                 CREATED        STATUS    ->              
5b95c9badd59  is:apigw   "/bin/sh -c 'cd /s..."  15 hours ago   Up 15 hours         
->
PORTS                                                      NAMES
0.0.0.0:5555->5555/tcp, 0.0.0.0:9072->9072/tcp, 9999/tcp   apigw