AWS ECR Terraform module

Terraform module which creates AWS ECR resources.

Usage

See examples directory for working examples to reference:

Private Repository

module "ecr" {
  source = "terraform-aws-modules/ecr/aws"

  repository_name = "private-example"

  repository_read_write_access_arns = ["arn:aws:iam::012345678901:role/terraform"]
  repository_lifecycle_policy = jsonencode({
    rules = [
      {
        rulePriority = 1,
        description  = "Keep last 30 images",
        selection = {
          tagStatus     = "tagged",
          tagPrefixList = ["v"],
          countType     = "imageCountMoreThan",
          countNumber   = 30
        },
        action = {
          type = "expire"
        }
      }
    ]
  })

  tags = {
    Terraform   = "true"
    Environment = "dev"
  }
}

Public Repository

module "public_ecr" {
  source = "terraform-aws-modules/ecr/aws"

  repository_name = "public-example"
  repository_type = "public"

  repository_read_write_access_arns = ["arn:aws:iam::012345678901:role/terraform"]
  repository_lifecycle_policy = jsonencode({
    rules = [
      {
        rulePriority = 1,
        description  = "Keep last 30 images",
        selection = {
          tagStatus     = "tagged",
          tagPrefixList = ["v"],
          countType     = "imageCountMoreThan",
          countNumber   = 30
        },
        action = {
          type = "expire"
        }
      }
    ]
  })

  public_repository_catalog_data = {
    description       = "Docker container for some things"
    about_text        = file("${path.module}/files/ABOUT.md")
    usage_text        = file("${path.module}/files/USAGE.md")
    operating_systems = ["Linux"]
    architectures     = ["x86"]
    logo_image_blob   = filebase64("${path.module}/files/clowd.png")
  }

  tags = {
    Terraform   = "true"
    Environment = "dev"
  }
}

Registry Management

module "ecr_registry" {
  source = "terraform-aws-modules/ecr/aws"

  repository_name = "registry-example"

  create_repository = false

  # Registry Policy
  create_registry_policy = true
  registry_policy        = jsonencode({
    Version = "2012-10-17",
    Statement = [
      {
        Sid    = "testpolicy",
        Effect = "Allow",
        Principal = {
          "AWS" : "arn:aws:iam::012345678901:root"
        },
        Action = [
          "ecr:ReplicateImage"
        ],
        Resource = [
          "arn:aws:ecr:us-east-1:012345678901:repository/*"
        ]
      }, {
        Sid    = "dockerhub",
        Effect = "Allow",
        Principal = {
          "AWS" : "arn:aws:iam::012345678901:root"
        },
        Action = [
          "ecr:CreateRepository",
          "ecr:BatchImportUpstreamImage"
        ],
        Resource = [
          "arn:aws:ecr:us-east-1:012345678901:repository/dockerhub/*"
        ]
      }
    ]
  })

  # Registry Pull Through Cache Rules
  registry_pull_through_cache_rules = {
    pub = {
      ecr_repository_prefix = "ecr-public"
      upstream_registry_url = "public.ecr.aws"
    }
    dockerhub = {
      ecr_repository_prefix = "dockerhub"
      upstream_registry_url = "registry-1.docker.io"
      credential_arn        = "arn:aws:secretsmanager:us-east-1:123456789:secret:ecr-pullthroughcache/dockerhub"
    }
  }

  # Registry Scanning Configuration
  manage_registry_scanning_configuration = true
  registry_scan_type                     = "ENHANCED"
  registry_scan_rules = [
    {
      scan_frequency = "SCAN_ON_PUSH"
      filter = [
        {
          filter      = "example1"
          filter_type = "WILDCARD"
        },
        { filter      = "example2"
          filter_type = "WILDCARD"
        }
      ]
    }, {
      scan_frequency = "CONTINUOUS_SCAN"
      filter = [
        {
          filter      = "example"
          filter_type = "WILDCARD"
        }
      ]
    }
  ]

  # Registry Replication Configuration
  create_registry_replication_configuration = true
  registry_replication_rules = [
    {
      destinations = [{
        region      = "us-west-2"
        registry_id = "012345678901"
        }, {
        region      = "eu-west-1"
        registry_id = "012345678901"
      }]

      repository_filters = [{
        filter      = "prod-microservice"
        filter_type = "PREFIX_MATCH"
      }]
    }
  ]

  tags = {
    Terraform   = "true"
    Environment = "dev"
  }
}

Module wrappers

Users of this Terraform module can create multiple similar resources by using for_each meta-argument within module block which became available in Terraform 0.13.

Users of Terragrunt can achieve similar results by using modules provided in the wrappers directory, if they prefer to reduce amount of configuration files.

Examples

Examples codified under the examples are intended to give users references for how to use the module(s) as well as testing/validating changes to the source code of the module. If contributing to the project, please be sure to make any appropriate updates to the relevant examples to allow maintainers to test your changes and to keep the examples up to date for users. Thank you!

• Complete

Requirements

Name	Version
terraform	>= 1.0
aws	>= 5.37

Providers

Name	Version
aws	>= 5.37

Modules

No modules.

Resources

Name	Type
aws_ecr_lifecycle_policy.this	resource
aws_ecr_pull_through_cache_rule.this	resource
aws_ecr_registry_policy.this	resource
aws_ecr_registry_scanning_configuration.this	resource
aws_ecr_replication_configuration.this	resource
aws_ecr_repository.this	resource
aws_ecr_repository_policy.this	resource
aws_ecrpublic_repository.this	resource
aws_ecrpublic_repository_policy.example	resource
aws_caller_identity.current	data source
aws_iam_policy_document.repository	data source
aws_partition.current	data source

Inputs

Name	Description	Type	Default	Required
attach_repository_policy	Determines whether a repository policy will be attached to the repository	bool	true	no
create	Determines whether resources will be created (affects all resources)	bool	true	no
create_lifecycle_policy	Determines whether a lifecycle policy will be created	bool	true	no
create_registry_policy	Determines whether a registry policy will be created	bool	false	no
create_registry_replication_configuration	Determines whether a registry replication configuration will be created	bool	false	no
create_repository	Determines whether a repository will be created	bool	true	no
create_repository_policy	Determines whether a repository policy will be created	bool	true	no
manage_registry_scanning_configuration	Determines whether the registry scanning configuration will be managed	bool	false	no
public_repository_catalog_data	Catalog data configuration for the repository	any	{}	no
registry_policy	The policy document. This is a JSON formatted string	string	null	no
registry_pull_through_cache_rules	List of pull through cache rules to create	map(map(string))	{}	no
registry_replication_rules	The replication rules for a replication configuration. A maximum of 10 are allowed	any	[]	no
registry_scan_rules	One or multiple blocks specifying scanning rules to determine which repository filters are used and at what frequency scanning will occur	any	[]	no
registry_scan_type	the scanning type to set for the registry. Can be either ENHANCED or BASIC	string	"ENHANCED"	no
repository_encryption_type	The encryption type for the repository. Must be one of: KMS or AES256. Defaults to AES256	string	null	no
repository_force_delete	If true, will delete the repository even if it contains images. Defaults to false	bool	null	no
repository_image_scan_on_push	Indicates whether images are scanned after being pushed to the repository (true) or not scanned (false)	bool	true	no
repository_image_tag_mutability	The tag mutability setting for the repository. Must be one of: MUTABLE or IMMUTABLE. Defaults to IMMUTABLE	string	"IMMUTABLE"	no
repository_kms_key	The ARN of the KMS key to use when encryption_type is KMS. If not specified, uses the default AWS managed key for ECR	string	null	no
repository_lambda_read_access_arns	The ARNs of the Lambda service roles that have read access to the repository	list(string)	[]	no
repository_lifecycle_policy	The policy document. This is a JSON formatted string. See more details about Policy Parameters in the official AWS docs	string	""	no
repository_name	The name of the repository	string	""	no
repository_policy	The JSON policy to apply to the repository. If not specified, uses the default policy	string	null	no
repository_policy_statements	A map of IAM policy statements for custom permission usage	any	{}	no
repository_read_access_arns	The ARNs of the IAM users/roles that have read access to the repository	list(string)	[]	no
repository_read_write_access_arns	The ARNs of the IAM users/roles that have read/write access to the repository	list(string)	[]	no
repository_type	The type of repository to create. Either public or private	string	"private"	no
tags	A map of tags to add to all resources	map(string)	{}	no

Outputs

Name	Description
repository_arn	Full ARN of the repository
repository_name	Name of the repository
repository_registry_id	The registry ID where the repository was created
repository_url	The URL of the repository

License

Apache-2.0 Licensed. See LICENSE.