fix custom header default

Author: kevcube

README.md

@@ -153,7 +153,7 @@ No modules.
 | <a name="input_is_ipv6_enabled"></a> [is\_ipv6\_enabled](#input\_is\_ipv6\_enabled) | Whether the IPv6 is enabled for the distribution. | `bool` | `null` | no |
 | <a name="input_logging_config"></a> [logging\_config](#input\_logging\_config) | The logging configuration that controls how logs are written to your distribution (maximum one). | `any` | `{}` | no |
 | <a name="input_ordered_cache_behavior"></a> [ordered\_cache\_behavior](#input\_ordered\_cache\_behavior) | An ordered list of cache behaviors resource for this distribution. List from top to bottom in order of precedence. The topmost cache behavior will have precedence 0. | `any` | `[]` | no |
-| <a name="input_origin"></a> [origin](#input\_origin) | One or more origins for this distribution (multiples allowed). | <pre>map(object({<br/>    connection_attempts = optional(number)<br/>    connection_timeout  = optional(number)<br/>    custom_origin_config = optional(object({<br/>      http_port                = number<br/>      https_port               = number<br/>      origin_protocol_policy   = string<br/>      origin_ssl_protocols     = list(string)<br/>      origin_keepalive_timeout = optional(number)<br/>      origin_read_timeout      = optional(number)<br/>    }))<br/>    domain_name = string<br/>    custom_header = optional(list(object({<br/>      name  = string<br/>      value = string<br/>    })))<br/>    origin_access_control_id = optional(string)<br/>    origin_id                = optional(string) # If not provided, map key is used.<br/>    origin_path              = optional(string)<br/>    origin_shield = optional(object({<br/>      enabled              = bool<br/>      origin_shield_region = optional(string)<br/>    }))<br/>    s3_origin_config = optional(object({<br/>      origin_access_identity = string<br/>    }))<br/>    vpc_origin_config = optional(object({<br/>      origin_keepalive_timeout = optional(number)<br/>      origin_read_timeout      = optional(number)<br/>      vpc_origin_id            = optional(string) # If not provided, uses aws_cloudfront_vpc_origin.this[this.vpc_origin].id<br/>      vpc_origin               = optional(string) # Custom parameter to lookup against aws_cloudfront_vpc_origin.this<br/>    }))<br/>  }))</pre> | `{}` | no |
+| <a name="input_origin"></a> [origin](#input\_origin) | One or more origins for this distribution (multiples allowed). | <pre>map(object({<br/>    connection_attempts = optional(number)<br/>    connection_timeout  = optional(number)<br/>    custom_origin_config = optional(object({<br/>      http_port                = number<br/>      https_port               = number<br/>      origin_protocol_policy   = string<br/>      origin_ssl_protocols     = list(string)<br/>      origin_keepalive_timeout = optional(number)<br/>      origin_read_timeout      = optional(number)<br/>    }))<br/>    domain_name = string<br/>    custom_header = optional(list(object({<br/>      name  = string<br/>      value = string<br/>    })), [])<br/>    origin_access_control_id = optional(string)<br/>    origin_id                = optional(string) # If not provided, map key is used.<br/>    origin_path              = optional(string)<br/>    origin_shield = optional(object({<br/>      enabled              = bool<br/>      origin_shield_region = optional(string)<br/>    }))<br/>    s3_origin_config = optional(object({<br/>      origin_access_identity = string<br/>    }))<br/>    vpc_origin_config = optional(object({<br/>      origin_keepalive_timeout = optional(number)<br/>      origin_read_timeout      = optional(number)<br/>      vpc_origin_id            = optional(string) # If not provided, uses aws_cloudfront_vpc_origin.this[this.vpc_origin].id<br/>      vpc_origin               = optional(string) # Custom parameter to lookup against aws_cloudfront_vpc_origin.this<br/>    }))<br/>  }))</pre> | `{}` | no |
 | <a name="input_origin_access_control"></a> [origin\_access\_control](#input\_origin\_access\_control) | Map of CloudFront origin access control | <pre>map(object({<br/>    name             = optional(string)<br/>    description      = string<br/>    origin_type      = string<br/>    signing_behavior = string<br/>    signing_protocol = string<br/>  }))</pre> | <pre>{<br/>  "s3": {<br/>    "description": "",<br/>    "origin_type": "s3",<br/>    "signing_behavior": "always",<br/>    "signing_protocol": "sigv4"<br/>  }<br/>}</pre> | no |
 | <a name="input_origin_access_identities"></a> [origin\_access\_identities](#input\_origin\_access\_identities) | Map of CloudFront origin access identities (value as a comment) | `map(string)` | `{}` | no |
 | <a name="input_origin_group"></a> [origin\_group](#input\_origin\_group) | One or more origin\_group for this distribution (multiples allowed). | `any` | `{}` | no |

variables.tf

@@ -137,7 +137,7 @@ variable "origin" {
     custom_header = optional(list(object({
       name  = string
       value = string
-    })))
+    })), [])
     origin_access_control_id = optional(string)
     origin_id                = optional(string) # If not provided, map key is used.
     origin_path              = optional(string)