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Class: Aws::ECS::Types::EnvironmentFile

  • Object
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Defined in:



When passing EnvironmentFile as input to an Aws::Client method, you can use a vanilla Hash:

  value: "String", # required
  type: "s3", # required, accepts s3

A list of files containing the environment variables to pass to a container. You can specify up to ten environment files. The file must have a .env file extension. Each line in an environment file should contain an environment variable in VARIABLE=VALUE format. Lines beginning with # are treated as comments and are ignored. For more information on the environment variable file syntax, see Declare default environment variables in file.

If there are environment variables specified using the environment parameter in a container definition, they take precedence over the variables contained within an environment file. If multiple environment files are specified that contain the same variable, they are processed from the top down. It is recommended to use unique variable names. For more information, see Specifying Environment Variables in the Amazon Elastic Container Service Developer Guide.

This field is not valid for containers in tasks using the Fargate launch type.

Instance Attribute Summary collapse

Instance Attribute Details


The file type to use. The only supported value is s3.

Possible values:

  • s3


  • (String)

    The file type to use.


The Amazon Resource Name (ARN) of the Amazon S3 object containing the environment variable file.


  • (String)

    The Amazon Resource Name (ARN) of the Amazon S3 object containing the environment variable file.