| base_instance_name | Base name for the instances in the MIG | string | null | no |
| deployment_name | Name of the deployment, will be used to name MIG if var.name is not provided | string | n/a | yes |
| ghpc_module_id | Internal GHPC field, do not set this value | string | null | no |
| labels | Labels to add to the MIG | map(string) | n/a | yes |
| name | Name of the MIG. If not provided, will be generated from var.deployment_name | string | null | no |
| project_id | Project in which the MIG will be created | string | n/a | yes |
| target_size | Target number of instances in the MIG | number | 0 | no |
| versions | Application versions managed by this instance group. Each version deals with a specific instance template | list(object({
name = string
instance_template = string
target_size = optional(object({
fixed = optional(number)
percent = optional(number)
}))
})) | n/a | yes |
| wait_for_instances | Whether to wait for all instances to be created/updated before returning | bool | false | no |
| zone | Compute Platform zone. Required, currently only zonal MIGs are supported | string | n/a | yes |