Docker base image property

Official Content
This documentation is valid for:
Docker base image for this Dockerfile.


This is the base image on which the new Docker image will be created.

Reference: To find public Docker images for Tomcat, for example, refer to


  • In the case of Java, the Base Image property is set with a default value in the GeneXus deployment dialog, which does not depend on the value of the Application Server property. You should enter a value according to the Application Server and the Java version you use.
  • If the deployment unit has a Main procedure with Call protocol property = "Command line", change the Base Image default value accordingly.
    For example, in the case of Java, it can be OpenJDK:15. The same for the Docker Image App location property value.

Runtime/Design time

This property applies only at design-time.


This property is available since GeneXus 15 Upgrade 8.

See Also