diff --git a/README.md b/README.md
index 505c68de..2a5650f9 100644
--- a/README.md
+++ b/README.md
@@ -573,7 +573,7 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | external | >= 1 |
 | local | >= 1 |
 | null | >= 2 |
@@ -583,7 +583,7 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | external | >= 1 |
 | local | >= 1 |
 | null | >= 2 |
@@ -634,11 +634,10 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 | function\_name | A unique name for your Lambda Function | `string` | `""` | no |
 | handler | Lambda Function entrypoint in your code | `string` | `""` | no |
 | hash\_extra | The string to add into hashing function. Useful when building same source path for different functions. | `string` | `""` | no |
+| image\_config\_command | The CMD for the docker image | `list(string)` | `[]` | no |
+| image\_config\_entry\_point | The ENTRYPOINT for the docker image | `list(string)` | `[]` | no |
+| image\_config\_working\_directory | The working directory for the docker image | `string` | `null` | no |
 | image\_uri | The ECR image URI containing the function's deployment package. | `string` | `null` | no |
-| image\_config\_entry_point | The ENTRYPOINT for the docker image. | `string` | `null` | no |
-| image\_config\_command | The CMD for the docker image. | `string` | `null` | no |
-| image\_config\_working_directory | The working directory for the docker image. | `string` | `null` | no |
-| package\_type | The Lambda deployment package type. | `string` | `Zip` | no |
 | kms\_key\_arn | The ARN of KMS key to use by your Lambda Function | `string` | `null` | no |
 | lambda\_at\_edge | Set this to true if using Lambda@Edge, to enable publishing, limit the timeout, and allow edgelambda.amazonaws.com to invoke the function | `bool` | `false` | no |
 | lambda\_role | IAM role ARN attached to the Lambda Function. This governs both who / what can invoke your Lambda Function, as well as what resources our Lambda Function has access to. See Lambda Permission Model for more details. | `string` | `""` | no |
@@ -651,6 +650,7 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 | memory\_size | Amount of memory in MB your Lambda Function can use at runtime. Valid value between 128 MB to 3008 MB, in 64 MB increments. | `number` | `128` | no |
 | number\_of\_policies | Number of policies to attach to IAM role for Lambda Function | `number` | `0` | no |
 | number\_of\_policy\_jsons | Number of policies JSON to attach to IAM role for Lambda Function | `number` | `0` | no |
+| package\_type | The Lambda deployment package type. Valid options: Zip or Image | `string` | `"Zip"` | no |
 | policies | List of policy statements ARN to attach to Lambda Function role | `list(string)` | `[]` | no |
 | policy | An additional policy document ARN to attach to the Lambda Function role | `string` | `null` | no |
 | policy\_json | An additional policy document as JSON to attach to the Lambda Function role | `string` | `null` | no |
diff --git a/examples/alias/README.md b/examples/alias/README.md
index 9c130d66..0bccd041 100644
--- a/examples/alias/README.md
+++ b/examples/alias/README.md
@@ -20,7 +20,7 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
diff --git a/examples/async/README.md b/examples/async/README.md
index 4b37f146..1c63af47 100644
--- a/examples/async/README.md
+++ b/examples/async/README.md
@@ -20,14 +20,14 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Inputs
diff --git a/examples/build-package/README.md b/examples/build-package/README.md
index 0d91b1cd..4a76b6cb 100644
--- a/examples/build-package/README.md
+++ b/examples/build-package/README.md
@@ -20,7 +20,7 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
diff --git a/examples/container-image/README.md b/examples/container-image/README.md
index b4d7f3f8..f1884622 100644
--- a/examples/container-image/README.md
+++ b/examples/container-image/README.md
@@ -20,14 +20,16 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
+| docker | >= 2.8.0 |
 | random | >= 2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
+| aws | >= 3.19 |
+| docker | >= 2.8.0 |
 | random | >= 2 |
 
 ## Inputs
@@ -41,8 +43,6 @@ No input.
 | lambda\_cloudwatch\_log\_group\_arn | The ARN of the Cloudwatch Log Group |
 | lambda\_role\_arn | The ARN of the IAM role created for the Lambda Function |
 | lambda\_role\_name | The name of the IAM role created for the Lambda Function |
-| local\_filename | The filename of zip archive deployed (if deployment was from local) |
-| s3\_object | The map with S3 object data of zip archive deployed (if deployment was from S3) |
 | this\_lambda\_function\_arn | The ARN of the Lambda Function |
 | this\_lambda\_function\_invoke\_arn | The Invoke ARN of the Lambda Function |
 | this\_lambda\_function\_kms\_key\_arn | The ARN for the KMS encryption key of Lambda Function |
diff --git a/examples/deploy/README.md b/examples/deploy/README.md
index c1f7dd24..6d820c84 100644
--- a/examples/deploy/README.md
+++ b/examples/deploy/README.md
@@ -20,14 +20,14 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Inputs
diff --git a/examples/multiple-regions/README.md b/examples/multiple-regions/README.md
index 4ddec7f1..d7641ee9 100644
--- a/examples/multiple-regions/README.md
+++ b/examples/multiple-regions/README.md
@@ -21,15 +21,15 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
-| aws.us-east-1 | >= 2.67 |
+| aws | >= 3.19 |
+| aws.us-east-1 | >= 3.19 |
 | random | >= 2 |
 
 ## Inputs
diff --git a/examples/simple/README.md b/examples/simple/README.md
index 9ed16bc4..2c9ee0ac 100644
--- a/examples/simple/README.md
+++ b/examples/simple/README.md
@@ -20,7 +20,7 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
diff --git a/examples/with-efs/README.md b/examples/with-efs/README.md
index e280726e..5a05beba 100644
--- a/examples/with-efs/README.md
+++ b/examples/with-efs/README.md
@@ -21,14 +21,14 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 3.19.0 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 3.19.0 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Inputs
diff --git a/examples/with-vpc/README.md b/examples/with-vpc/README.md
index 1eac4777..88f72c86 100644
--- a/examples/with-vpc/README.md
+++ b/examples/with-vpc/README.md
@@ -22,7 +22,7 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | random | >= 2 |
 
 ## Providers
diff --git a/iam.tf b/iam.tf
index d97dcdb3..dd245fd7 100644
--- a/iam.tf
+++ b/iam.tf
@@ -1,5 +1,5 @@
 locals {
-  create_role = var.create && var.create_function && ! var.create_layer && var.create_role
+  create_role = var.create && var.create_function && !var.create_layer && var.create_role
 
   # Lambda@Edge uses the Cloudwatch region closest to the location where the function is executed
   # The region part of the LogGroup ARN is then replaced with a wildcard (*) so Lambda@Edge is able to log in every region
diff --git a/main.tf b/main.tf
index acbe22db..d928cd0d 100644
--- a/main.tf
+++ b/main.tf
@@ -2,7 +2,7 @@ locals {
   # Use a generated filename to determine when the source code has changed.
   # filename - to get package from local
   filename    = var.local_existing_package != null ? var.local_existing_package : (var.store_on_s3 ? null : element(concat(data.external.archive_prepare.*.result.filename, [null]), 0))
-  was_missing = var.local_existing_package != null ? ! fileexists(var.local_existing_package) : element(concat(data.external.archive_prepare.*.result.was_missing, [false]), 0)
+  was_missing = var.local_existing_package != null ? !fileexists(var.local_existing_package) : element(concat(data.external.archive_prepare.*.result.was_missing, [false]), 0)
 
   # s3_* - to get package from S3
   s3_bucket         = var.s3_existing_package != null ? lookup(var.s3_existing_package, "bucket", null) : (var.store_on_s3 ? var.s3_bucket : null)
@@ -12,7 +12,7 @@ locals {
 }
 
 resource "aws_lambda_function" "this" {
-  count = var.create && var.create_function && ! var.create_layer ? 1 : 0
+  count = var.create && var.create_function && !var.create_layer ? 1 : 0
 
   function_name                  = var.function_name
   description                    = var.description
@@ -29,7 +29,7 @@ resource "aws_lambda_function" "this" {
   package_type                   = var.package_type
 
   filename         = local.filename
-  source_code_hash = (local.filename == null ? false : fileexists(local.filename)) && ! local.was_missing ? filebase64sha256(local.filename) : null
+  source_code_hash = (local.filename == null ? false : fileexists(local.filename)) && !local.was_missing ? filebase64sha256(local.filename) : null
 
   s3_bucket         = local.s3_bucket
   s3_key            = local.s3_key
@@ -96,7 +96,7 @@ resource "aws_lambda_layer_version" "this" {
   compatible_runtimes = length(var.compatible_runtimes) > 0 ? var.compatible_runtimes : [var.runtime]
 
   filename         = local.filename
-  source_code_hash = (local.filename == null ? false : fileexists(local.filename)) && ! local.was_missing ? filebase64sha256(local.filename) : null
+  source_code_hash = (local.filename == null ? false : fileexists(local.filename)) && !local.was_missing ? filebase64sha256(local.filename) : null
 
   s3_bucket         = local.s3_bucket
   s3_key            = local.s3_key
@@ -120,13 +120,13 @@ resource "aws_s3_bucket_object" "lambda_package" {
 }
 
 data "aws_cloudwatch_log_group" "lambda" {
-  count = var.create && var.create_function && ! var.create_layer && var.use_existing_cloudwatch_log_group ? 1 : 0
+  count = var.create && var.create_function && !var.create_layer && var.use_existing_cloudwatch_log_group ? 1 : 0
 
   name = "/aws/lambda/${var.lambda_at_edge ? "us-east-1." : ""}${var.function_name}"
 }
 
 resource "aws_cloudwatch_log_group" "lambda" {
-  count = var.create && var.create_function && ! var.create_layer && ! var.use_existing_cloudwatch_log_group ? 1 : 0
+  count = var.create && var.create_function && !var.create_layer && !var.use_existing_cloudwatch_log_group ? 1 : 0
 
   name              = "/aws/lambda/${var.lambda_at_edge ? "us-east-1." : ""}${var.function_name}"
   retention_in_days = var.cloudwatch_logs_retention_in_days
@@ -136,7 +136,7 @@ resource "aws_cloudwatch_log_group" "lambda" {
 }
 
 resource "aws_lambda_provisioned_concurrency_config" "current_version" {
-  count = var.create && var.create_function && ! var.create_layer && var.provisioned_concurrent_executions > -1 ? 1 : 0
+  count = var.create && var.create_function && !var.create_layer && var.provisioned_concurrent_executions > -1 ? 1 : 0
 
   function_name = aws_lambda_function.this[0].function_name
   qualifier     = aws_lambda_function.this[0].version
@@ -149,7 +149,7 @@ locals {
 }
 
 resource "aws_lambda_function_event_invoke_config" "this" {
-  for_each = var.create && var.create_function && ! var.create_layer && var.create_async_event_config ? local.qualifiers : {}
+  for_each = var.create && var.create_function && !var.create_layer && var.create_async_event_config ? local.qualifiers : {}
 
   function_name = aws_lambda_function.this[0].function_name
   qualifier     = each.key == "current_version" ? aws_lambda_function.this[0].version : null
@@ -178,7 +178,7 @@ resource "aws_lambda_function_event_invoke_config" "this" {
 }
 
 resource "aws_lambda_permission" "current_version_triggers" {
-  for_each = var.create && var.create_function && ! var.create_layer && var.create_current_version_allowed_triggers ? var.allowed_triggers : {}
+  for_each = var.create && var.create_function && !var.create_layer && var.create_current_version_allowed_triggers ? var.allowed_triggers : {}
 
   function_name = aws_lambda_function.this[0].function_name
   qualifier     = aws_lambda_function.this[0].version
@@ -193,7 +193,7 @@ resource "aws_lambda_permission" "current_version_triggers" {
 
 # Error: Error adding new Lambda Permission for destined-tetra-lambda: InvalidParameterValueException: We currently do not support adding policies for $LATEST.
 resource "aws_lambda_permission" "unqualified_alias_triggers" {
-  for_each = var.create && var.create_function && ! var.create_layer && var.create_unqualified_alias_allowed_triggers ? var.allowed_triggers : {}
+  for_each = var.create && var.create_function && !var.create_layer && var.create_unqualified_alias_allowed_triggers ? var.allowed_triggers : {}
 
   function_name = aws_lambda_function.this[0].function_name
 
diff --git a/modules/alias/README.md b/modules/alias/README.md
index b27c7e77..ece77947 100644
--- a/modules/alias/README.md
+++ b/modules/alias/README.md
@@ -116,13 +116,13 @@ module "lambda" {
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 
 ## Inputs
 
diff --git a/modules/alias/main.tf b/modules/alias/main.tf
index 61ff4e20..67ac548f 100644
--- a/modules/alias/main.tf
+++ b/modules/alias/main.tf
@@ -11,7 +11,7 @@ data "aws_lambda_alias" "existing" {
 }
 
 resource "aws_lambda_alias" "no_refresh" {
-  count = var.create && ! var.use_existing_alias && ! var.refresh_alias ? 1 : 0
+  count = var.create && !var.use_existing_alias && !var.refresh_alias ? 1 : 0
 
   name        = var.name
   description = var.description
@@ -29,7 +29,7 @@ resource "aws_lambda_alias" "no_refresh" {
 }
 
 resource "aws_lambda_alias" "with_refresh" {
-  count = var.create && ! var.use_existing_alias && var.refresh_alias ? 1 : 0
+  count = var.create && !var.use_existing_alias && var.refresh_alias ? 1 : 0
 
   name        = var.name
   description = var.description
diff --git a/modules/deploy/README.md b/modules/deploy/README.md
index 41dc4b67..a58333d8 100644
--- a/modules/deploy/README.md
+++ b/modules/deploy/README.md
@@ -100,7 +100,7 @@ module "lambda" {
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | local | >= 1 |
 | null | >= 2 |
 
@@ -108,7 +108,7 @@ module "lambda" {
 
 | Name | Version |
 |------|---------|
-| aws | >= 2.67 |
+| aws | >= 3.19 |
 | local | >= 1 |
 | null | >= 2 |
 
@@ -116,7 +116,7 @@ module "lambda" {
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| after\_allow\_traffic\_hook\_arn | ARN of Lambda function to execute after allow traffic during deployment | `string` | `""` | no |
+| after\_allow\_traffic\_hook\_arn | ARN of Lambda function to execute after allow traffic during deployment. This function should be named CodeDeployHook\_, to match the managed AWSCodeDeployForLambda policy, unless you're using a custom role | `string` | `""` | no |
 | alarm\_enabled | Indicates whether the alarm configuration is enabled. This option is useful when you want to temporarily deactivate alarm monitoring for a deployment group without having to add the same alarms again later. | `bool` | `false` | no |
 | alarm\_ignore\_poll\_alarm\_failure | Indicates whether a deployment should continue if information about the current state of alarms cannot be retrieved from CloudWatch. | `bool` | `false` | no |
 | alarms | A list of alarms configured for the deployment group. A maximum of 10 alarms can be added to a deployment group. | `list(string)` | `[]` | no |
@@ -126,7 +126,7 @@ module "lambda" {
 | auto\_rollback\_enabled | Indicates whether a defined automatic rollback configuration is currently enabled for this Deployment Group. | `bool` | `true` | no |
 | auto\_rollback\_events | List of event types that trigger a rollback. Supported types are DEPLOYMENT\_FAILURE and DEPLOYMENT\_STOP\_ON\_ALARM. | `list(string)` | <pre>[<br>  "DEPLOYMENT_STOP_ON_ALARM"<br>]</pre> | no |
 | aws\_cli\_command | Command to run as AWS CLI. May include extra arguments like region and profile. | `string` | `"aws"` | no |
-| before\_allow\_traffic\_hook\_arn | ARN of Lambda function to execute before allow traffic during deployment | `string` | `""` | no |
+| before\_allow\_traffic\_hook\_arn | ARN of Lambda function to execute before allow traffic during deployment. This function should be named CodeDeployHook\_, to match the managed AWSCodeDeployForLambda policy, unless you're using a custom role | `string` | `""` | no |
 | codedeploy\_principals | List of CodeDeploy service principals to allow. The list can include global or regional endpoints. | `list(string)` | <pre>[<br>  "codedeploy.amazonaws.com"<br>]</pre> | no |
 | codedeploy\_role\_name | IAM role name to create or use by CodeDeploy | `string` | `""` | no |
 | create | Controls whether resources should be created | `bool` | `true` | no |
diff --git a/modules/deploy/main.tf b/modules/deploy/main.tf
index 1675e9cb..78fcc9fc 100644
--- a/modules/deploy/main.tf
+++ b/modules/deploy/main.tf
@@ -112,14 +112,14 @@ resource "null_resource" "deploy" {
 }
 
 resource "aws_codedeploy_app" "this" {
-  count = var.create && var.create_app && ! var.use_existing_app ? 1 : 0
+  count = var.create && var.create_app && !var.use_existing_app ? 1 : 0
 
   name             = var.app_name
   compute_platform = "Lambda"
 }
 
 resource "aws_codedeploy_deployment_group" "this" {
-  count = var.create && var.create_deployment_group && ! var.use_existing_deployment_group ? 1 : 0
+  count = var.create && var.create_deployment_group && !var.use_existing_deployment_group ? 1 : 0
 
   app_name               = local.app_name
   deployment_group_name  = var.deployment_group_name
@@ -158,7 +158,7 @@ resource "aws_codedeploy_deployment_group" "this" {
 }
 
 data "aws_iam_role" "codedeploy" {
-  count = var.create && ! var.create_codedeploy_role ? 1 : 0
+  count = var.create && !var.create_codedeploy_role ? 1 : 0
 
   name = var.codedeploy_role_name
 }
diff --git a/modules/deploy/variables.tf b/modules/deploy/variables.tf
index 22f16b3b..66b06519 100644
--- a/modules/deploy/variables.tf
+++ b/modules/deploy/variables.tf
@@ -29,13 +29,13 @@ variable "target_version" {
 }
 
 variable "before_allow_traffic_hook_arn" {
-  description = "ARN of Lambda function to execute before allow traffic during deployment"
+  description = "ARN of Lambda function to execute before allow traffic during deployment. This function should be named CodeDeployHook_, to match the managed AWSCodeDeployForLambda policy, unless you're using a custom role"
   type        = string
   default     = ""
 }
 
 variable "after_allow_traffic_hook_arn" {
-  description = "ARN of Lambda function to execute after allow traffic during deployment"
+  description = "ARN of Lambda function to execute after allow traffic during deployment. This function should be named CodeDeployHook_, to match the managed AWSCodeDeployForLambda policy, unless you're using a custom role"
   type        = string
   default     = ""
 }