Error: Invalid function argument (no file exists)

╷
│ Error: Invalid function argument
│
│   on main.tf line 626, in data "template_file" "buildspec":
│  626:   template = "${file("buildspec.yaml")}"
│
│ Invalid value for "path" parameter: no file exists at buildspec.yaml; this function works only with files that are distributed as part of the
│ configuration source code, so if this file will be created by a resource in this configuration you must instead obtain this result from an
│ attribute of that resource.
╵

See also

• terraform plan: [ -refresh-only | -lock=false | -target | -var-file | will be created | --help], Terraform plan errors, Terraform plan examples, Terraform plan execution errors, (known after apply)