Added environment variable configuration

Author: Ben Fortuna

README.md

@@ -19,6 +19,7 @@ No requirements.
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
+| environment | Environment variables to configure the Lambda function | `map(string)` | `{}` | no |
 | function\_name | Name of the Lambda function | `any` | n/a | yes |
 | role | IAM role assumed by the Lambda function | `any` | n/a | yes |
 | runtime | A runtime to use for the function (leave blank to use default runtime) | `any` | `null` | no |

main.tf

@@ -22,4 +22,10 @@ resource "aws_lambda_function" "function" {
   handler          = "${var.function_name}.${local.templates[var.template]["lambda_handler"]}"
   runtime          = var.runtime != null ? var.runtime : local.templates[var.template]["default_runtime"]
   source_code_hash = data.archive_file.function.output_base64sha256
+  dynamic "environment" {
+    for_each = length(var.environment) > 0 ? [1] : []
+    content {
+      variables = var.environment
+    }
+  }
 }

vars.tf

@@ -11,6 +11,12 @@ variable "runtime" {
   default     = null
 }
 
+variable "environment" {
+  description = "Environment variables to configure the Lambda function"
+  type        = map(string)
+  default     = {}
+}
+
 variable "role" {
   description = "IAM role assumed by the Lambda function"
 }