Create a Compute Engine managed instance group with autoscaling enabled
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Use Terraform to create a regional managed instance group (MIG) with autoscaling enabled.
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# Create a Compute Engine managed instance group with autoscaling enabled\n\nUse Terraform to create a regional managed instance group (MIG) with autoscaling enabled.\n\nCode sample\n-----------\n\n### Terraform\n\n\nTo learn how to apply or remove a Terraform configuration, see\n[Basic Terraform commands](/docs/terraform/basic-commands).\n\n\nFor more information, see the\n[Terraform provider reference documentation](https://registry.terraform.io/providers/hashicorp/google/latest/docs).\n\n resource \"google_compute_region_autoscaler\" \"foobar\" {\n name = \"my-region-autoscaler\"\n region = \"us-central1\"\n target = google_compute_region_instance_group_manager.foobar.id\n\n autoscaling_policy {\n max_replicas = 5\n min_replicas = 1\n cooldown_period = 60\n\n cpu_utilization {\n target = 0.5\n }\n }\n }\n\n resource \"google_compute_instance_template\" \"foobar\" {\n name = \"my-instance-template\"\n machine_type = \"e2-standard-4\"\n\n disk {\n source_image = \"debian-cloud/debian-11\"\n disk_size_gb = 250\n }\n\n network_interface {\n network = \"default\"\n\n # default access config, defining external IP configuration\n access_config {\n network_tier = \"PREMIUM\"\n }\n }\n\n # To avoid embedding secret keys or user credentials in the instances, Google recommends that you use custom service accounts with the following access scopes.\n service_account {\n scopes = [\n \"https://www.googleapis.com/auth/cloud-platform\"\n ]\n }\n }\n\n resource \"google_compute_target_pool\" \"foobar\" {\n name = \"my-target-pool\"\n region = \"us-central1\"\n }\n\n resource \"google_compute_region_instance_group_manager\" \"foobar\" {\n name = \"my-region-igm\"\n region = \"us-central1\"\n\n version {\n instance_template = google_compute_instance_template.foobar.id\n name = \"primary\"\n }\n\n target_pools = [google_compute_target_pool.foobar.id]\n base_instance_name = \"foobar\"\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=compute)."]]