# Customizing global microservice configuration

Edit the org.talend.ipaas.rt.dsrunner.cfg file to customize your microservice deployment configuration.

## Procedure

* To set a custom application.properties file, change the value of the ms.custom.application.properties property.

  The default value is <RemoteEngineInstallationDirectory>/data/dsrunner/exec/microservices.
* To set a custom Java Runtime Environment, the ms.custom.jre.path property must point to the folder containing the Java executable file, for example, the value can be C\:/Java/jdk/bin on Windows or /usr/java/jdk/bin on Linux.
* To set custom JVM parameters, edit the ms.custom.jvm.params property.
* To change the starting network port number, edit the ms.http.port.range.start property.
* To change the limit of deployed microservices, edit the ms.running.instance.limit property.