terraform-aws-amplify-app

Terraform module to provision AWS Amplify apps, backend environments, branches, domain associations, and webhooks.

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Usage

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

data "aws_ssm_parameter" "github_pat" {
  name            = var.github_personal_access_token_secret_path
  with_decryption = true
}

module "amplify_app" {
  source  = "cloudposse/amplify-app/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version = "x.x.x"

  access_token = data.aws_ssm_parameter.github_pat.value

  description  = "Test Amplify App"
  repository   = "https://github.com/cloudposse/amplify-test2"
  platform     = "WEB"

  enable_auto_branch_creation = false
  enable_branch_auto_build    = true
  enable_branch_auto_deletion = true
  enable_basic_auth           = false

  iam_service_role_enabled    = true

  iam_service_role_actions = [
    "logs:CreateLogStream",
    "logs:CreateLogGroup",
    "logs:DescribeLogGroups",
    "logs:PutLogEvents"
  ]

  auto_branch_creation_patterns = [
    "*",
    "*/**"
  ]

  auto_branch_creation_config = {
    # Enable auto build for the created branches
    enable_auto_build = true
  }

  # The build spec for React
  build_spec = <<-EOT
    version: 0.1
    frontend:
      phases:
        preBuild:
          commands:
            - yarn install
        build:
          commands:
            - yarn run build
      artifacts:
        baseDirectory: build
        files:
          - '**/*'
      cache:
        paths:
          - node_modules/**/*
  EOT

  custom_rules = [
    {
      source = "/<*>"
      status = "404"
      target = "/index.html"
    }
  ]

  environment_variables = {
    ENV = "test"
  }

  environments = {
    main = {
      branch_name                 = "main"
      enable_auto_build           = true
      backend_enabled             = false
      enable_performance_mode     = true
      enable_pull_request_preview = false
      framework                   = "React"
      stage                       = "PRODUCTION"
    }
    dev = {
      branch_name                 = "dev"
      enable_auto_build           = true
      backend_enabled             = false
      enable_performance_mode     = false
      enable_pull_request_preview = true
      framework                   = "React"
      stage                       = "DEVELOPMENT"
    }
  }

  domains = {
    "test.net" = {
      enable_auto_sub_domain = true
      wait_for_verification  = false
      sub_domain = [
        {
          branch_name = "main"
          prefix      = ""
        },
        {
          branch_name = "dev"
          prefix      = "dev"
        }
      ]
    }
  }

  context = module.label.context
}

Important

In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.

Examples

Here is an example of using this module:

examples/complete - complete example of using this module

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name	Version
terraform	>= 1.3.0
aws	>= 4.0

Providers

Name	Version
aws	>= 4.0

Modules

Name	Source	Version
role	cloudposse/iam-role/aws	0.18.0
this	cloudposse/label/null	0.25.0

Resources

Name	Type
aws_amplify_app.default	resource
aws_amplify_backend_environment.default	resource
aws_amplify_branch.default	resource
aws_amplify_domain_association.default	resource
aws_amplify_webhook.default	resource
aws_iam_policy_document.default	data source

Inputs

Name	Description	Type	Default	Required
access_token	The personal access token for a third-party source control system for the Amplify app. The personal access token is used to create a webhook and a read-only deploy key. The token is not stored. Make sure that the account where the token is created has access to the repository.	`string`	`null`	no
additional_tag_map	Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`. This is for some rare cases where resources want additional configuration of tags and therefore take a list of maps with tag key, value, and additional configuration.	`map(string)`	`{}`	no
attributes	ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`, in the order they appear in the list. New attributes are appended to the end of the list. The elements of the list are joined by the `delimiter` and treated as a single ID element.	`list(string)`	`[]`	no
auto_branch_creation_config	The automated branch creation configuration for the Amplify app	object({ basic_auth_credentials = optional(string) build_spec = optional(string) enable_auto_build = optional(bool) enable_basic_auth = optional(bool) enable_performance_mode = optional(bool) enable_pull_request_preview = optional(bool) environment_variables = optional(map(string)) framework = optional(string) pull_request_environment_name = optional(string) stage = optional(string) })	`null`	no
auto_branch_creation_patterns	The automated branch creation glob patterns for the Amplify app	`list(string)`	`[]`	no
basic_auth_credentials	The credentials for basic authorization for the Amplify app	`string`	`null`	no
build_spec	The build specification (build spec) for the Amplify app. If not provided then it will use the `amplify.yml` at the root of your project / branch.	`string`	`null`	no
context	Single object for setting entire context at once. See description of individual variables for details. Leave string and numeric variables as `null` to use default value. Individual variable settings (non-null) override settings in context object, except for attributes, tags, and additional_tag_map, which are merged.	`any`	{ "additional_tag_map": {}, "attributes": [], "delimiter": null, "descriptor_formats": {}, "enabled": true, "environment": null, "id_length_limit": null, "label_key_case": null, "label_order": [], "label_value_case": null, "labels_as_tags": [ "unset" ], "name": null, "namespace": null, "regex_replace_chars": null, "stage": null, "tags": {}, "tenant": null }	no
custom_rules	The custom rules to apply to the Amplify App	list(object({ condition = optional(string) source = string status = optional(string) target = string }))	`[]`	no
delimiter	Delimiter to be used between ID elements. Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.	`string`	`null`	no
description	The description for the Amplify app	`string`	`null`	no
descriptor_formats	Describe additional descriptors to be output in the `descriptors` output map. Map of maps. Keys are names of descriptors. Values are maps of the form `{<br> format = string<br> labels = list(string)<br>}` (Type is `any` so the map values can later be enhanced to provide additional options.) `format` is a Terraform format string to be passed to the `format()` function. `labels` is a list of labels, in order, to pass to `format()` function. Label values will be normalized before being passed to `format()` so they will be identical to how they appear in `id`. Default is `{}` (`descriptors` output will be empty).	`any`	`{}`	no
domain_config	DEPRECATED: Use the `domains` variable instead. Amplify custom domain configuration.	object({ domain_name = string enable_auto_sub_domain = optional(bool, false) wait_for_verification = optional(bool, false) sub_domain = list(object({ branch_name = string prefix = string })) })	`null`	no
domains	Amplify custom domain configurations	map(object({ enable_auto_sub_domain = optional(bool, false) wait_for_verification = optional(bool, false) sub_domain = list(object({ branch_name = string prefix = string })) }))	`{}`	no
enable_auto_branch_creation	Enables automated branch creation for the Amplify app	`bool`	`false`	no
enable_basic_auth	Enables basic authorization for the Amplify app. This will apply to all branches that are part of this app.	`bool`	`false`	no
enable_branch_auto_build	Enables auto-building of branches for the Amplify App	`bool`	`true`	no
enable_branch_auto_deletion	Automatically disconnects a branch in the Amplify Console when you delete a branch from your Git repository	`bool`	`false`	no
enabled	Set to false to prevent the module from creating any resources	`bool`	`null`	no
environment	ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'	`string`	`null`	no
environment_variables	The environment variables for the Amplify app	`map(string)`	`{}`	no
environments	The configuration of the environments for the Amplify App	map(object({ branch_name = optional(string) backend_enabled = optional(bool, false) environment_name = optional(string) deployment_artifacts = optional(string) stack_name = optional(string) display_name = optional(string) description = optional(string) enable_auto_build = optional(bool) enable_basic_auth = optional(bool) enable_notification = optional(bool) enable_performance_mode = optional(bool) enable_pull_request_preview = optional(bool) environment_variables = optional(map(string)) framework = optional(string) pull_request_environment_name = optional(string) stage = optional(string) ttl = optional(number) webhook_enabled = optional(bool, false) }))	`{}`	no
iam_service_role_actions	List of IAM policy actions for the AWS Identity and Access Management (IAM) service role for the Amplify app. If not provided, the default set of actions will be used for the role if the variable `iam_service_role_enabled` is set to `true`.	`list(string)`	`[]`	no
iam_service_role_arn	The AWS Identity and Access Management (IAM) service role for the Amplify app. If not provided, a new role will be created if the variable `iam_service_role_enabled` is set to `true`.	`list(string)`	`[]`	no
iam_service_role_enabled	Flag to create the IAM service role for the Amplify app	`bool`	`false`	no
id_length_limit	Limit `id` to this many characters (minimum 6). Set to `0` for unlimited length. Set to `null` for keep the existing setting, which defaults to `0`. Does not affect `id_full`.	`number`	`null`	no
label_key_case	Controls the letter case of the `tags` keys (label names) for tags generated by this module. Does not affect keys of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper`. Default value: `title`.	`string`	`null`	no
label_order	The order in which the labels (ID elements) appear in the `id`. Defaults to ["namespace", "environment", "stage", "name", "attributes"]. You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.	`list(string)`	`null`	no
label_value_case	Controls the letter case of ID elements (labels) as included in `id`, set as tag values, and output by this module individually. Does not affect values of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper` and `none` (no transformation). Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs. Default value: `lower`.	`string`	`null`	no
labels_as_tags	Set of labels (ID elements) to include as tags in the `tags` output. Default is to include all labels. Tags with empty values will not be included in the `tags` output. Set to `[]` to suppress all generated tags. Notes: The value of the `name` tag, if included, will be the `id`, not the `name`. Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be changed in later chained modules. Attempts to change it will be silently ignored.	`set(string)`	[ "default" ]	no
name	ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'. This is the only ID element not also included as a `tag`. The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input.	`string`	`null`	no
namespace	ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique	`string`	`null`	no
oauth_token	The OAuth token for a third-party source control system for the Amplify app. The OAuth token is used to create a webhook and a read-only deploy key. The OAuth token is not stored.	`string`	`null`	no
platform	The platform or framework for the Amplify app	`string`	`"WEB"`	no
regex_replace_chars	Terraform regular expression (regex) string. Characters matching the regex will be removed from the ID elements. If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits.	`string`	`null`	no
repository	The repository for the Amplify app	`string`	`null`	no
stage	ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'	`string`	`null`	no
tags	Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`). Neither the tag keys nor the tag values will be modified by this module.	`map(string)`	`{}`	no
tenant	ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for	`string`	`null`	no

Outputs

Name	Description
arn	Amplify App ARN
backend_environments	Created backend environments
branch_names	The names of the created Amplify branches
default_domain	Amplify App domain (non-custom)
domain_associations	Created domain associations
id	Amplify App Id
name	Amplify App name
webhooks	Created webhooks

Related Projects

Check out these related projects.

terraform-null-label - Terraform module designed to generate consistent names and tags for resources. Use terraform-null-label to implement a strict naming convention.

References

For additional context, refer to some of these links.

AWS Amplify Documentation - Use AWS Amplify to develop and deploy cloud-powered mobile and web apps
Setting up Amplify access to GitHub repositories - Amplify uses the GitHub Apps feature to authorize Amplify read-only access to GitHub repositories. With the Amplify GitHub App, permissions are more fine-tuned, enabling you to grant Amplify access to only the repositories that you specify
Getting started with existing code - Documentation on how to continuously build, deploy, and host a modern web app using existing code
Deploy a Web App on AWS Amplify - A guide on deploying a web application with AWS Amplify
Getting started with fullstack continuous deployments - Tutorial on how to set up a fullstack CI/CD workflow with Amplify
Cloud Posse Documentation - The Cloud Posse Developer Hub (documentation)
Terraform Standard Module Structure - HashiCorp's standard module structure is a file and directory layout we recommend for reusable modules distributed in separate repositories.
Terraform Module Requirements - HashiCorp's guidance on all the requirements for publishing a module. Meeting the requirements for publishing a module is extremely easy.
Terraform Version Pinning - The required_version setting can be used to constrain which versions of the Terraform CLI can be used with your configuration
Masterpoint.io - This repo was inspired by masterpoint's original amplify-app terraform module

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For 🐛 bug reports & feature requests, please use the issue tracker.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

Review our Code of Conduct and Contributor Guidelines.
Fork the repo on GitHub
Clone the project to your own machine
Commit changes to your own branch
Push your work back up to your fork
Submit a Pull Request so that we can review your changes

NOTE: Be sure to merge the latest changes from "upstream" before making a pull request!

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License

Preamble to the Apache License, Version 2.0

Complete license is available in the LICENSE file.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.

Name		Name	Last commit message	Last commit date
Latest commit History 12 Commits
.github		.github
docs		docs
examples/complete		examples/complete
test		test
.editorconfig		.editorconfig
.gitignore		.gitignore
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
README.yaml		README.yaml
context.tf		context.tf
iam.tf		iam.tf
main.tf		main.tf
outputs.tf		outputs.tf
variables-deprecated.tf		variables-deprecated.tf
variables.tf		variables.tf
versions.tf		versions.tf

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terraform-aws-amplify-app

👽 Use Atmos with Terraform

Usage

Examples

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Resources

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Outputs

Related Projects

References

Use Terraform Reference Architectures for AWS

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Day-2: Your Operational Mastery

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