Azure App Service Web app does not use the latest Java version

Description

Azure App Service web applications developed with the Java software stack should use the latest available version of Java to ensure the latest security fixes are in use.

Fix - Buildtime

Terraform

• Resource: azurerm_app_service
• Argument: java_version - (Optional) The version of Java to use. If specified java_container and java_container_version must also be specified. Possible values are 1.7, 1.8 and 11 and their specific versions - except for Java 11 (e.g. 1.7.0_80, 1.8.0_181, 11)

resource "azurerm_app_service" "example" {
  ...
  site_config {
+   java_version = "11"
  }
}