AWS Terraform module which runs Atlantis on AWS Fargate

Atlantis is tool which provides unified workflow for collaborating on Terraform through GitHub, GitLab and Bitbucket Cloud.

This repository contains Terraform infrastructure code which creates AWS resources required to run Atlantis on AWS, including:

Virtual Private Cloud (VPC)
SSL certificate using Amazon Certificate Manager (ACM)
Application Load Balancer (ALB)
Domain name using AWS Route53 which points to ALB
AWS Elastic Cloud Service (ECS) and AWS Fargate running Atlantis Docker image
AWS Parameter Store to keep secrets and access them in ECS task natively

AWS Fargate with optional support for Fargate Spot is used to reduce the bill, and it is also a cool AWS service.

Depending on which SCM system you use, Github repositories or Gitlab projects has to be configured to post events to Atlantis webhook URL.

See README.md in examples for Github or Gitlab for complete details.

Before using Atlantis and the code in this repository please make sure that you have read and understood the security implications described in the official Atlantis documentation.

How to use this?

As often with the code published in terraform-aws-modules GitHub organization you should have everything to run this code and get Atlantis up and running.

There are three ways to do this:

Run Atlantis as a standalone project

Clone this github repository:

$ git clone git@github.com:terraform-aws-modules/terraform-aws-atlantis.git
$ cd terraform-aws-atlantis

Copy sample terraform.tfvars.sample into terraform.tfvars and specify required variables there.
Run terraform init to download required providers and modules.
Run terraform apply to apply the Terraform configuration and create required infrastructure.
Run terraform output atlantis_url to get URL where Atlantis is publicly reachable. (Note: It may take a minute or two to get it reachable for the first time)
Github webhook is automatically created if github_token, github_owner and github_repo_names were specified. Read Add GitHub Webhook in the official Atlantis documentation or check example "GitHub repository webhook for Atlantis" to add more webhooks.

Run Atlantis as a Terraform module

This way allows integration with your existing Terraform configurations.

module "atlantis" {
  source  = "terraform-aws-modules/atlantis/aws"
  version = "~> 3.0"

  name = "atlantis"

  # VPC
  cidr            = "10.20.0.0/16"
  azs             = ["eu-west-1a", "eu-west-1b", "eu-west-1c"]
  private_subnets = ["10.20.1.0/24", "10.20.2.0/24", "10.20.3.0/24"]
  public_subnets  = ["10.20.101.0/24", "10.20.102.0/24", "10.20.103.0/24"]

  # DNS (without trailing dot)
  route53_zone_name = "example.com"

  # ACM (SSL certificate) - Specify ARN of an existing certificate or new one will be created and validated using Route53 DNS
  certificate_arn = "arn:aws:acm:eu-west-1:135367859851:certificate/70e008e1-c0e1-4c7e-9670-7bb5bd4f5a84"

  # Atlantis
  atlantis_github_user       = "atlantis-bot"
  atlantis_github_user_token = "examplegithubtoken"
  atlantis_repo_allowlist    = ["github.com/terraform-aws-modules/*"]
}

Provide Atlantis with server yaml configuration

server-atlantis.yaml

repos:
  - id: /.*/
    allow_custom_workflows: true
    allowed_overrides:
      - apply_requirements
      - workflow
    apply_requirements:
      - approved
    workflow: default

main.tf

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

  # ...

  custom_environment_variables = [
    {
      "name" : "ATLANTIS_REPO_CONFIG_JSON",
      "value" : jsonencode(yamldecode(file("${path.module}/server-atlantis.yaml"))),
    },
  ]

  # ...
}

Run Atlantis as a part of an existing AWS infrastructure (use existing VPC)

This way allows integration with your existing AWS resources - VPC, public and private subnets. Specify the following arguments (see methods described above):

vpc_id             = "vpc-1651acf1"
private_subnet_ids = ["subnet-1fe3d837", "subnet-129d66ab"]
public_subnet_ids  = ["subnet-1211eef5", "subnet-163466ab"]

If vpc_id is specified it will take precedence over cidr and existing VPC will be used. private_subnet_ids and public_subnet_ids must be specified also.

Make sure that both private and public subnets were created in the same set of availability zones (ALB will be created in public subnets, ECS Fargate service in private subnets).

If all provided subnets are public (no NAT gateway) then ecs_service_assign_public_ip should be set to true.

Secure Atlantis with ALB Built-in Authentication

OpenID Connect (OIDC)

You can use service like Auth0 to secure access to Atlantis and require authentication on ALB. To enable this, you need to create Auth0 application and provide correct arguments to Atlantis module. Make sure to update application hostname, client id and client secret:

Auth0

alb_authenticate_oidc = {
  issuer                              = "https://youruser.eu.auth0.com/"
  token_endpoint                      = "https://youruser.eu.auth0.com/oauth/token"
  user_info_endpoint                  = "https://youruser.eu.auth0.com/userinfo"
  authorization_endpoint              = "https://youruser.eu.auth0.com/authorize"
  authentication_request_extra_params = {}
  client_id                           = "clientid"
  client_secret                       = "secret123" # a data source would be good here
}

Okta

alb_authenticate_oidc = {
  issuer                              = "https://dev-42069.okta.com/"
  token_endpoint                      = "https://dev-42069.okta.com/oauth2/v1/token"
  user_info_endpoint                  = "https://dev-42069.okta.com/oauth2/v1/userinfo"
  authorization_endpoint              = "https://dev-42069.okta.com/oauth2/v1/authorize"
  authentication_request_extra_params = {}
  client_id                           = "clientid"
  client_secret                       = "secret123" # a data source would be good here
}

AWS Cognito with SAML

The AWS Cognito service allows you to define SAML applications tied to an identity provider (e.g., GSuite). The Atlantis ALB can then be configured to require an authenticated user managed by your identity provider.

To configure AWS Cognito connecting to a GSuite SAML application, you can use the gsuite-saml-cognito Terraform module.

To enable Cognito authentication on the Atlantis ALB, specify the following arguments containing attributes from your Cognito configuration.

alb_authenticate_cognito = {
  user_pool_arn       = "arn:aws:cognito-idp:us-west-2:1234567890:userpool/us-west-2_aBcDeFG"
  user_pool_client_id = "clientid123"
  user_pool_domain    = "sso.your-corp.com"
}

Allow GitHub Webhooks Unauthenticated Access

If you are using one of the authentication methods above along with managed GitHub (not self-hosted enterprise version), you'll need to allow unauthenticated access to GitHub's Webhook static IPs:

allow_unauthenticated_access = true
allow_github_webhooks        = true

Notes

AWS Route53 zone is not created by this module, so zone specified as a value in route53_zone_name should be created before using this module. Check documentation for aws_route53_zone.
Currently this module configures Atlantis in a way that it can not be used to work with GitHub and Gitlab simultaneously (can't make list of ECS secrets conditionally).
For Bitbucket Cloud webhook configuration follow instructions in the official Atlantis documentation.

Examples

Requirements

Name	Version
terraform	>= 0.13.1
aws	>= 2.68
random	>= 2.0

Providers

Name	Version
aws	>= 2.68
random	>= 2.0

Modules

Name	Source	Version
acm	terraform-aws-modules/acm/aws	v3.2.0
alb	terraform-aws-modules/alb/aws	v6.5.0
alb_http_sg	terraform-aws-modules/security-group/aws//modules/http-80	v4.3.0
alb_https_sg	terraform-aws-modules/security-group/aws//modules/https-443	v4.3.0
atlantis_sg	terraform-aws-modules/security-group/aws	v4.3.0
container_definition_bitbucket	cloudposse/ecs-container-definition/aws	v0.58.1
container_definition_github_gitlab	cloudposse/ecs-container-definition/aws	v0.58.1
ecs	terraform-aws-modules/ecs/aws	v3.3.0
vpc	terraform-aws-modules/vpc/aws	v3.6.0

Resources

Name	Type
aws_cloudwatch_log_group.atlantis	resource
aws_ecs_service.atlantis	resource
aws_ecs_task_definition.atlantis	resource
aws_iam_role.ecs_task_execution	resource
aws_iam_role_policy.ecs_task_access_secrets	resource
aws_iam_role_policy_attachment.ecs_task_execution	resource
aws_lb_listener_rule.unauthenticated_access_for_cidr_blocks	resource
aws_lb_listener_rule.unauthenticated_access_for_webhook	resource
aws_route53_record.atlantis	resource
aws_ssm_parameter.atlantis_bitbucket_user_token	resource
aws_ssm_parameter.atlantis_github_user_token	resource
aws_ssm_parameter.atlantis_gitlab_user_token	resource
aws_ssm_parameter.webhook	resource
random_id.webhook	resource
aws_ecs_task_definition.atlantis	data source
aws_iam_policy_document.ecs_task_access_secrets	data source
aws_iam_policy_document.ecs_task_access_secrets_with_kms	data source
aws_iam_policy_document.ecs_tasks	data source
aws_partition.current	data source
aws_region.current	data source
aws_route53_zone.this	data source

Inputs

Name	Description	Type	Default	Required
acm_certificate_domain_name	Route53 domain name to use for ACM certificate. Route53 zone for this domain should be created in advance. Specify if it is different from value in `route53_zone_name`	`string`	`""`	no
alb_authenticate_cognito	Map of AWS Cognito authentication parameters to protect ALB (eg, using SAML). See https://www.terraform.io/docs/providers/aws/r/lb_listener.html#authenticate-cognito-action	`any`	`{}`	no
alb_authenticate_oidc	Map of Authenticate OIDC parameters to protect ALB (eg, using Auth0). See https://www.terraform.io/docs/providers/aws/r/lb_listener.html#authenticate-oidc-action	`any`	`{}`	no
alb_drop_invalid_header_fields	Indicates whether invalid header fields are dropped in application load balancers. Defaults to false.	`bool`	`null`	no
alb_enable_deletion_protection	If true, deletion of the load balancer will be disabled via the AWS API. This will prevent Terraform from deleting the load balancer. Defaults to false.	`bool`	`null`	no
alb_http_security_group_tags	Additional tags to put on the http security group	`map(string)`	`{}`	no
alb_https_security_group_tags	Additional tags to put on the https security group	`map(string)`	`{}`	no
alb_ingress_cidr_blocks	List of IPv4 CIDR ranges to use on all ingress rules of the ALB.	`list(string)`	[ "0.0.0.0/0" ]	no
alb_listener_ssl_policy_default	The security policy if using HTTPS externally on the load balancer. See.	`string`	`"ELBSecurityPolicy-2016-08"`	no
alb_log_bucket_name	S3 bucket (externally created) for storing load balancer access logs. Required if alb_logging_enabled is true.	`string`	`""`	no
alb_log_location_prefix	S3 prefix within the log_bucket_name under which logs are stored.	`string`	`""`	no
alb_logging_enabled	Controls if the ALB will log requests to S3.	`bool`	`false`	no
allow_github_webhooks	Whether to allow access for GitHub webhooks	`bool`	`false`	no
allow_repo_config	When true allows the use of atlantis.yaml config files within the source repos.	`string`	`"false"`	no
allow_unauthenticated_access	Whether to create ALB listener rule to allow unauthenticated access for certain CIDR blocks (eg. allow GitHub webhooks to bypass OIDC authentication)	`bool`	`false`	no
allow_unauthenticated_access_priority	ALB listener rule priority for allow unauthenticated access rule	`number`	`10`	no
allow_unauthenticated_webhook_access_priority	ALB listener rule priority for allow unauthenticated webhook access rule	`number`	`15`	no
atlantis_allowed_repo_names	Git repositories where webhook should be created	`list(string)`	`[]`	no
atlantis_bitbucket_base_url	Base URL of Bitbucket Server, use for Bitbucket on prem (Stash)	`string`	`""`	no
atlantis_bitbucket_user	Bitbucket username that is running the Atlantis command	`string`	`""`	no
atlantis_bitbucket_user_token	Bitbucket token of the user that is running the Atlantis command	`string`	`""`	no
atlantis_bitbucket_user_token_ssm_parameter_name	Name of SSM parameter to keep atlantis_bitbucket_user_token	`string`	`"/atlantis/bitbucket/user/token"`	no
atlantis_fqdn	FQDN of Atlantis to use. Set this only to override Route53 and ALB's DNS name.	`string`	`null`	no
atlantis_github_user	GitHub username that is running the Atlantis command	`string`	`""`	no
atlantis_github_user_token	GitHub token of the user that is running the Atlantis command	`string`	`""`	no
atlantis_github_user_token_ssm_parameter_name	Name of SSM parameter to keep atlantis_github_user_token	`string`	`"/atlantis/github/user/token"`	no
atlantis_github_webhook_secret	GitHub webhook secret of an app that is running the Atlantis command	`string`	`""`	no
atlantis_gitlab_hostname	Gitlab server hostname, defaults to gitlab.com	`string`	`"gitlab.com"`	no
atlantis_gitlab_user	Gitlab username that is running the Atlantis command	`string`	`""`	no
atlantis_gitlab_user_token	Gitlab token of the user that is running the Atlantis command	`string`	`""`	no
atlantis_gitlab_user_token_ssm_parameter_name	Name of SSM parameter to keep atlantis_gitlab_user_token	`string`	`"/atlantis/gitlab/user/token"`	no
atlantis_hide_prev_plan_comments	Enables atlantis server --hide-prev-plan-comments hiding previous plan comments on update	`string`	`"false"`	no
atlantis_image	Docker image to run Atlantis with. If not specified, official Atlantis image will be used	`string`	`""`	no
atlantis_log_level	Log level that Atlantis will run with. Accepted values are: <debug\|info\|warn\|error>	`string`	`"debug"`	no
atlantis_port	Local port Atlantis should be running on. Default value is most likely fine.	`number`	`4141`	no
atlantis_repo_allowlist	List of allowed repositories Atlantis can be used with	`list(string)`	n/a	yes
atlantis_security_group_tags	Additional tags to put on the atlantis security group	`map(string)`	`{}`	no
atlantis_version	Verion of Atlantis to run. If not specified latest will be used	`string`	`"latest"`	no
azs	A list of availability zones in the region	`list(string)`	`[]`	no
certificate_arn	ARN of certificate issued by AWS ACM. If empty, a new ACM certificate will be created and validated using Route53 DNS	`string`	`""`	no
cidr	The CIDR block for the VPC which will be created if `vpc_id` is not specified	`string`	`""`	no
cloudwatch_log_retention_in_days	Retention period of Atlantis CloudWatch logs	`number`	`7`	no
command	The command that is passed to the container	`list(string)`	`null`	no
container_cpu	The number of cpu units used by the atlantis container. If not specified ecs_task_cpu will be used	`number`	`null`	no
container_depends_on	The dependencies defined for container startup and shutdown. A container can contain multiple dependencies. When a dependency is defined for container startup, for container shutdown it is reversed. The condition can be one of START, COMPLETE, SUCCESS or HEALTHY	list(object({ containerName = string condition = string }))	`null`	no
container_memory	The amount (in MiB) of memory used by the atlantis container. If not specified ecs_task_memory will be used	`number`	`null`	no
container_memory_reservation	The amount of memory (in MiB) to reserve for the container	`number`	`128`	no
create_route53_record	Whether to create Route53 record for Atlantis	`bool`	`true`	no
custom_container_definitions	A list of valid container definitions provided as a single valid JSON document. By default, the standard container definition is used.	`string`	`""`	no
custom_environment_secrets	List of additional secrets the container will use (list should contain maps with `name` and `valueFrom`)	list(object( { name = string valueFrom = string } ))	`[]`	no
custom_environment_variables	List of additional environment variables the container will use (list should contain maps with `name` and `value`)	list(object( { name = string value = string } ))	`[]`	no
docker_labels	The configuration options to send to the `docker_labels`	`map(string)`	`null`	no
ecs_container_insights	Controls if ECS Cluster has container insights enabled	`bool`	`false`	no
ecs_fargate_spot	Whether to run ECS Fargate Spot or not	`bool`	`false`	no
ecs_service_assign_public_ip	Should be true, if ECS service is using public subnets (more info: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_cannot_pull_image.html)	`bool`	`false`	no
ecs_service_deployment_maximum_percent	The upper limit (as a percentage of the service's desiredCount) of the number of running tasks that can be running in a service during a deployment	`number`	`200`	no
ecs_service_deployment_minimum_healthy_percent	The lower limit (as a percentage of the service's desiredCount) of the number of running tasks that must remain running and healthy in a service during a deployment	`number`	`50`	no
ecs_service_desired_count	The number of instances of the task definition to place and keep running	`number`	`1`	no
ecs_service_enable_execute_command	Enable ECS exec for the service. This can be used to allow interactive sessions and commands to be executed in the container	`bool`	`true`	no
ecs_service_force_new_deployment	Enable to force a new task deployment of the service. This can be used to update tasks to use a newer Docker image with same image/tag combination (e.g. myimage:latest)	`bool`	`false`	no
ecs_service_platform_version	The platform version on which to run your service	`string`	`"LATEST"`	no
ecs_task_cpu	The number of cpu units used by the task	`number`	`256`	no
ecs_task_memory	The amount (in MiB) of memory used by the task	`number`	`512`	no
enable_ecs_managed_tags	Specifies whether to enable Amazon ECS managed tags for the tasks within the service	`bool`	`false`	no
entrypoint	The entry point that is passed to the container	`list(string)`	`null`	no
essential	Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value	`bool`	`true`	no
external_task_definition_updates	Enable to allow the task definition to be updated outside of this Terraform module. This should be enabled when using a deployment tool such as ecs-deploy which updates the task definition and will then keep the ECS service using the latest version of the task definition.	`bool`	`false`	no
extra_container_definitions	A list of valid container definitions provided as a single valid JSON document. These will be provided as supplimentary to the main Atlantis container definition	`list(any)`	`[]`	no
firelens_configuration	The FireLens configuration for the container. This is used to specify and configure a log router for container logs. For more details, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_FirelensConfiguration.html	object({ type = string options = map(string) })	`null`	no
github_webhooks_cidr_blocks	List of CIDR blocks used by GitHub webhooks	`list(string)`	[ "140.82.112.0/20", "185.199.108.0/22", "192.30.252.0/22", "143.55.64.0/20" ]	no
internal	Whether the load balancer is internal or external	`bool`	`false`	no
mount_points	Container mount points. This is a list of maps, where each map should contain a `containerPath` and `sourceVolume`. The `readOnly` key is optional.	`list(any)`	`[]`	no
name	Name to use on all resources created (VPC, ALB, etc)	`string`	`"atlantis"`	no
permissions_boundary	If provided, all IAM roles will be created with this permissions boundary attached.	`string`	`null`	no
policies_arn	A list of the ARN of the policies you want to apply	`list(string)`	`null`	no
private_subnet_ids	A list of IDs of existing private subnets inside the VPC	`list(string)`	`[]`	no
private_subnets	A list of private subnets inside the VPC	`list(string)`	`[]`	no
propagate_tags	Specifies whether to propagate the tags from the task definition or the service to the tasks. The valid values are SERVICE and TASK_DEFINITION	`string`	`null`	no
public_subnet_ids	A list of IDs of existing public subnets inside the VPC	`list(string)`	`[]`	no
public_subnets	A list of public subnets inside the VPC	`list(string)`	`[]`	no
readonly_root_filesystem	Determines whether a container is given read-only access to its root filesystem. Due to how Terraform type casts booleans in json it is required to double quote this value	`bool`	`false`	no
repository_credentials	Container repository credentials; required when using a private repo. This map currently supports a single key; "credentialsParameter", which should be the ARN of a Secrets Manager's secret holding the credentials	`map(string)`	`null`	no
route53_record_name	Name of Route53 record to create ACM certificate in and main A-record. If null is specified, var.name is used instead. Provide empty string to point root domain name to ALB.	`string`	`null`	no
route53_zone_name	Route53 zone name to create ACM certificate in and main A-record, without trailing dot	`string`	`""`	no
security_group_ids	List of one or more security groups to be added to the load balancer	`list(string)`	`[]`	no
ssm_kms_key_arn	ARN of KMS key to use for encryption and decryption of SSM Parameters. Required only if your key uses a custom KMS key and not the default key	`string`	`""`	no
start_timeout	Time duration (in seconds) to wait before giving up on resolving dependencies for a container	`number`	`30`	no
stop_timeout	Time duration (in seconds) to wait before the container is forcefully killed if it doesn't exit normally on its own	`number`	`30`	no
tags	A map of tags to use on all resources	`map(string)`	`{}`	no
trusted_entities	A list of users or roles, that can assume the task role	`list(string)`	`[]`	no
trusted_principals	A list of principals, in addition to ecs-tasks.amazonaws.com, that can assume the task role	`list(string)`	`[]`	no
ulimits	Container ulimit settings. This is a list of maps, where each map should contain "name", "hardLimit" and "softLimit"	list(object({ name = string hardLimit = number softLimit = number }))	`null`	no
use_ecs_old_arn_format	A flag to enable/disable tagging the ecs resources that require the new longer arn format	`bool`	`false`	no
user	The user to run as inside the container. Can be any of these formats: user, user:group, uid, uid:gid, user:gid, uid:group. The default (null) will use the container's configured `USER` directive or root if not set.	`string`	`null`	no
volumes_from	A list of VolumesFrom maps which contain "sourceContainer" (name of the container that has the volumes to mount) and "readOnly" (whether the container can write to the volume)	list(object({ sourceContainer = string readOnly = bool }))	`[]`	no
vpc_id	ID of an existing VPC where resources will be created	`string`	`""`	no
webhook_ssm_parameter_name	Name of SSM parameter to keep webhook secret	`string`	`"/atlantis/webhook/secret"`	no
whitelist_unauthenticated_cidr_blocks	List of allowed CIDR blocks to bypass authentication	`list(string)`	`[]`	no
working_directory	The working directory to run commands inside the container	`string`	`null`	no

Outputs

Name	Description
alb_arn	ARN of alb
alb_dns_name	Dns name of alb
alb_http_listeners_arn	ARNs of alb http listeners
alb_http_listeners_id	Ids of alb http listeners
alb_https_listeners_arn	ARN of alb https listeners
alb_https_listeners_id	Ids of alb https listeners
alb_security_group_id	Security group of alb
alb_zone_id	Zone ID of alb
atlantis_allowed_repo_names	Git repositories where webhook should be created
atlantis_url	URL of Atlantis
atlantis_url_events	Webhook events URL of Atlantis
ecs_cluster_arn	ECS cluster ARN
ecs_cluster_id	ECS cluster id
ecs_security_group	Security group assigned to ECS Service in network configuration
ecs_task_definition	Task definition for ECS service (used for external triggers)
private_subnet_ids	IDs of the VPC private subnets that were created or passed in
public_subnet_ids	IDs of the VPC public subnets that were created or passed in
task_role_arn	The Atlantis ECS task role arn
task_role_id	The Atlantis ECS task role id
task_role_name	The Atlantis ECS task role name
task_role_unique_id	The stable and unique string identifying the Atlantis ECS task role.
vpc_id	ID of the VPC that was created or passed in
webhook_secret	Webhook secret

Authors

Module is maintained by Anton Babenko with help from these awesome contributors.

License

Apache 2 Licensed. See LICENSE for full details.

Name		Name	Last commit message	Last commit date
Latest commit History 195 Commits
.chglog		.chglog
.github/workflows		.github/workflows
examples		examples
modules		modules
.editorconfig		.editorconfig
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
main.tf		main.tf
outputs.tf		outputs.tf
terraform.tfvars.sample		terraform.tfvars.sample
variables.tf		variables.tf
versions.tf		versions.tf

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AWS Terraform module which runs Atlantis on AWS Fargate

Before using Atlantis and the code in this repository please make sure that you have read and understood the security implications described in the official Atlantis documentation.

How to use this?

Run Atlantis as a standalone project

Run Atlantis as a Terraform module

Provide Atlantis with server yaml configuration

Run Atlantis as a part of an existing AWS infrastructure (use existing VPC)

Secure Atlantis with ALB Built-in Authentication

OpenID Connect (OIDC)

Auth0

Okta

AWS Cognito with SAML

Allow GitHub Webhooks Unauthenticated Access

Notes

Examples

Requirements

Providers

Modules

Resources

Inputs

Outputs

Authors

License

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xiao-pp/terraform-aws-atlantis

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Repository files navigation

AWS Terraform module which runs Atlantis on AWS Fargate

Before using Atlantis and the code in this repository please make sure that you have read and understood the security implications described in the official Atlantis documentation.

How to use this?

Run Atlantis as a standalone project

Run Atlantis as a Terraform module

Provide Atlantis with server yaml configuration

Run Atlantis as a part of an existing AWS infrastructure (use existing VPC)

Secure Atlantis with ALB Built-in Authentication

OpenID Connect (OIDC)

Auth0

Okta

AWS Cognito with SAML

Allow GitHub Webhooks Unauthenticated Access

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