# AWS::AppRunner::Service CodeConfigurationValues Code Configuration Values ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{
    "Runtime" : String,
    "BuildCommand" : String,
    "StartCommand" : String,
    "Port" : String,
    "RuntimeEnvironmentVariables" : [ KeyValuePair, ... ]
}
### YAML
Runtime: String
BuildCommand: String
StartCommand: String
Port: String
RuntimeEnvironmentVariables: 
      - KeyValuePair
## Properties #### Runtime Runtime _Required_: Yes _Type_: String _Allowed Values_: PYTHON_3 | NODEJS_12 | NODEJS_14 | NODEJS_16 | CORRETTO_8 | CORRETTO_11 | GO_1 | DOTNET_6 | PHP_81 | RUBY_31 _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### BuildCommand Build Command _Required_: No _Type_: String _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### StartCommand Start Command _Required_: No _Type_: String _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### Port Port _Required_: No _Type_: String _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### RuntimeEnvironmentVariables _Required_: No _Type_: List of KeyValuePair _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)