Allow operators to override the default minimum number of app Containers

terraform/README.md

@@ -167,6 +167,7 @@ No resources.
 | <a name="input_container_apps_allow_ips_inbound"></a> [container\_apps\_allow\_ips\_inbound](#input\_container\_apps\_allow\_ips\_inbound) | Restricts access to the Container Apps by creating a network security group rule that only allow inbound traffic from the provided list of IPs | `list(string)` | `[]` | no |
 | <a name="input_container_command"></a> [container\_command](#input\_container\_command) | Container command | `list(any)` | n/a | yes |
 | <a name="input_container_health_probe_path"></a> [container\_health\_probe\_path](#input\_container\_health\_probe\_path) | Specifies the path that is used to determine the liveness of the Container | `string` | n/a | yes |
+| <a name="input_container_min_replicas"></a> [container\_min\_replicas](#input\_container\_min\_replicas) | Container min replicas | `number` | `1` | no |
 | <a name="input_container_scale_http_concurrency"></a> [container\_scale\_http\_concurrency](#input\_container\_scale\_http\_concurrency) | When the number of concurrent HTTP requests exceeds this value, then another replica is added. Replicas continue to add to the pool up to the max-replicas amount. | `number` | `10` | no |
 | <a name="input_container_secret_environment_variables"></a> [container\_secret\_environment\_variables](#input\_container\_secret\_environment\_variables) | Container secret environment variables | `map(string)` | n/a | yes |
 | <a name="input_custom_container_apps"></a> [custom\_container\_apps](#input\_custom\_container\_apps) | Custom container apps, by default deployed within the container app environment managed by this module. | <pre>map(object({<br>    container_app_environment_id = optional(string, "")<br>    resource_group_name          = optional(string, "")<br>    revision_mode                = optional(string, "Single")<br>    container_port               = optional(number, 0)<br>    ingress = optional(object({<br>      external_enabled = optional(bool, true)<br>      target_port      = optional(number, null)<br>      traffic_weight = object({<br>        percentage = optional(number, 100)<br>      })<br>      cdn_frontdoor_custom_domain                = optional(string, "")<br>      cdn_frontdoor_origin_fqdn_override         = optional(string, "")<br>      cdn_frontdoor_origin_host_header_override  = optional(string, "")<br>      enable_cdn_frontdoor_health_probe          = optional(bool, false)<br>      cdn_frontdoor_health_probe_protocol        = optional(string, "")<br>      cdn_frontdoor_health_probe_interval        = optional(number, 120)<br>      cdn_frontdoor_health_probe_request_type    = optional(string, "")<br>      cdn_frontdoor_health_probe_path            = optional(string, "")<br>      cdn_frontdoor_forwarding_protocol_override = optional(string, "")<br>    }), null)<br>    identity = optional(list(object({<br>      type         = string<br>      identity_ids = list(string)<br>    })), [])<br>    secrets = optional(list(object({<br>      name  = string<br>      value = string<br>    })), [])<br>    registry = optional(object({<br>      server               = optional(string, "")<br>      username             = optional(string, "")<br>      password_secret_name = optional(string, "")<br>      identity             = optional(string, "")<br>    }), null),<br>    image   = string<br>    cpu     = number<br>    memory  = number<br>    command = list(string)<br>    liveness_probes = optional(list(object({<br>      interval_seconds = number<br>      transport        = string<br>      port             = number<br>      path             = optional(string, null)<br>    })), [])<br>    env = optional(list(object({<br>      name      = string<br>      value     = optional(string, null)<br>      secretRef = optional(string, null)<br>    })), [])<br>    min_replicas = number<br>    max_replicas = number<br>  }))</pre> | `{}` | no |

terraform/container-apps-hosting.tf

@@ -25,6 +25,7 @@ module "azure_container_apps_hosting" {
   container_secret_environment_variables = local.container_secret_environment_variables
   container_scale_http_concurrency       = local.container_scale_http_concurrency
   container_apps_allow_ips_inbound       = local.container_apps_allow_ips_inbound
+  container_min_replicas                 = local.container_min_replicas
 
   enable_cdn_frontdoor                            = local.enable_cdn_frontdoor
   cdn_frontdoor_forwarding_protocol               = local.cdn_frontdoor_forwarding_protocol

terraform/locals.tf

@@ -13,6 +13,7 @@ locals {
   container_command                               = var.container_command
   container_secret_environment_variables          = var.container_secret_environment_variables
   container_scale_http_concurrency                = var.container_scale_http_concurrency
+  container_min_replicas                          = var.container_min_replicas
   enable_cdn_frontdoor                            = var.enable_cdn_frontdoor
   enable_event_hub                                = var.enable_event_hub
   enable_logstash_consumer                        = var.enable_logstash_consumer

terraform/variables.tf

@@ -382,3 +382,9 @@ variable "custom_container_apps" {
   }))
   default = {}
 }
+
+variable "container_min_replicas" {
+  description = "Container min replicas"
+  type        = number
+  default     = 1
+}