Terraform: list type

Terraform wikipedia:List (abstract data type) or tuple.

• https://www.terraform.io/language/expressions/types#list

Terraform Types:

• type = list(string)
• default = []
• ["us-west-1a", "us-west-1c"]

Errors

╷
│ Error: Invalid index
│
│   on api.tf line 15, in resource "aws_ecs_service" "your_service":
│   15:     target_group_arn = aws_lb_target_group.your_tg[0].arn
│     ├────────────────
│     │ aws_lb_target_group.your_tg is empty tuple
│
│ The given key does not identify an element in this collection value: the
│ collection has no elements.
╵

Related terms

• Terraform plan errors: List of string required
• requires_compatibilities
• variables.tf
• Terraform function: tolist([...])
• Terraform function: element
• list function is deprecated since Terraform v0.12 (May 2019).
• slice terraform function
• Terraform object
• The error was: list object has no element

See also

• Terraform types: string, number, bool, list/tuple, map/object, type constraints
• Terraform variables, types, env variables, variables.tf, .tfvars, nullable, validation, terraform.tfvars