The type key defines the base container image that will be used to run the application. There is a separate base container image for each primary language for the application, often in multiple versions. Supported languages include:

See the appropriate language page for all available versions.


type: php:7.1


The .platform.app.yaml file also supports a runtime key that allows selected customizations to the language runtime. As those possibilities vary by language, please see the appropriate language documentation.