The CDK Construct Library for AWS::AppRunner
Project description
AWS::AppRunner Construct Library
---The APIs of higher level constructs in this module are experimental and under active development. They are subject to non-backward compatible changes or removal in any future version. These are not subject to the Semantic Versioning model and breaking changes will be announced in the release notes. This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.
This module is part of the AWS Cloud Development Kit project.
import aws_cdk.aws_apprunner_alpha as apprunner
Introduction
AWS App Runner is a fully managed service that makes it easy for developers to quickly deploy containerized web applications and APIs, at scale and with no prior infrastructure experience required. Start with your source code or a container image. App Runner automatically builds and deploys the web application and load balances traffic with encryption. App Runner also scales up or down automatically to meet your traffic needs. With App Runner, rather than thinking about servers or scaling, you have more time to focus on your applications.
Service
The Service
construct allows you to create AWS App Runner services with ECR Public
, ECR
or Github
with the source
property in the following scenarios:
Source.fromEcr()
- To define the source repository fromECR
.Source.fromEcrPublic()
- To define the source repository fromECR Public
.Source.fromGitHub()
- To define the source repository from theGithub repository
.Source.fromAsset()
- To define the source from local asset directory.
The Service
construct implements IGrantable
.
ECR Public
To create a Service
with ECR Public:
apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
)
)
ECR
To create a Service
from an existing ECR repository:
import aws_cdk.aws_ecr as ecr
apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr(
image_configuration=apprunner.ImageConfiguration(port=80),
repository=ecr.Repository.from_repository_name(self, "NginxRepository", "nginx"),
tag_or_digest="latest"
)
)
To create a Service
from local docker image asset directory built and pushed to Amazon ECR:
You can specify whether to enable continuous integration from the source repository with the autoDeploymentsEnabled
flag.
import aws_cdk.aws_ecr_assets as assets
image_asset = assets.DockerImageAsset(self, "ImageAssets",
directory=path.join(__dirname, "docker.assets")
)
apprunner.Service(self, "Service",
source=apprunner.Source.from_asset(
image_configuration=apprunner.ImageConfiguration(port=8000),
asset=image_asset
),
auto_deployments_enabled=True
)
GitHub
To create a Service
from the GitHub repository, you need to specify an existing App Runner Connection
.
See Managing App Runner connections for more details.
apprunner.Service(self, "Service",
source=apprunner.Source.from_git_hub(
repository_url="https://github.com/aws-containers/hello-app-runner",
branch="main",
configuration_source=apprunner.ConfigurationSourceType.REPOSITORY,
connection=apprunner.GitHubConnection.from_connection_arn("CONNECTION_ARN")
)
)
Use codeConfigurationValues
to override configuration values with the API
configuration source type.
apprunner.Service(self, "Service",
source=apprunner.Source.from_git_hub(
repository_url="https://github.com/aws-containers/hello-app-runner",
branch="main",
configuration_source=apprunner.ConfigurationSourceType.API,
code_configuration_values=apprunner.CodeConfigurationValues(
runtime=apprunner.Runtime.PYTHON_3,
port="8000",
start_command="python app.py",
build_command="yum install -y pycairo && pip install -r requirements.txt"
),
connection=apprunner.GitHubConnection.from_connection_arn("CONNECTION_ARN")
)
)
IAM Roles
You are allowed to define instanceRole
and accessRole
for the Service
.
instanceRole
- The IAM role that provides permissions to your App Runner service. These are permissions that
your code needs when it calls any AWS APIs. If not defined, a new instance role will be generated
when required.
To add IAM policy statements to this role, use addToRolePolicy()
:
import aws_cdk.aws_iam as iam
service = apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
)
)
service.add_to_role_policy(iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=["s3:GetObject"],
resources=["*"]
))
accessRole
- The IAM role that grants the App Runner service access to a source repository. It's required for
ECR image repositories (but not for ECR Public repositories). If not defined, a new access role will be generated
when required.
See App Runner IAM Roles for more details.
Auto Scaling Configuration
To associate an App Runner service with a custom Auto Scaling Configuration, define autoScalingConfiguration
for the service.
auto_scaling_configuration = apprunner.AutoScalingConfiguration(self, "AutoScalingConfiguration",
auto_scaling_configuration_name="MyAutoScalingConfiguration",
max_concurrency=150,
max_size=20,
min_size=5
)
apprunner.Service(self, "DemoService",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
),
auto_scaling_configuration=auto_scaling_configuration
)
VPC Connector
To associate an App Runner service with a custom VPC, define vpcConnector
for the service.
import aws_cdk.aws_ec2 as ec2
vpc = ec2.Vpc(self, "Vpc",
ip_addresses=ec2.IpAddresses.cidr("10.0.0.0/16")
)
vpc_connector = apprunner.VpcConnector(self, "VpcConnector",
vpc=vpc,
vpc_subnets=vpc.select_subnets(subnet_type=ec2.SubnetType.PUBLIC),
vpc_connector_name="MyVpcConnector"
)
apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
),
vpc_connector=vpc_connector
)
Dual Stack
To use dual stack (IPv4 and IPv6) for your incoming public network configuration, set ipAddressType
to IpAddressType.DUAL_STACK
.
apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
),
ip_address_type=apprunner.IpAddressType.DUAL_STACK
)
Note: Currently, App Runner supports dual stack for only Public endpoint. Only IPv4 is supported for Private endpoint. If you update a service that's using dual-stack Public endpoint to a Private endpoint, your App Runner service will default to support only IPv4 for Private endpoint and fail to receive traffic originating from IPv6 endpoint.
Secrets Manager
To include environment variables integrated with AWS Secrets Manager, use the environmentSecrets
attribute.
You can use the addSecret
method from the App Runner Service
class to include secrets from outside the
service definition.
import aws_cdk.aws_secretsmanager as secretsmanager
import aws_cdk.aws_ssm as ssm
# stack: Stack
secret = secretsmanager.Secret(stack, "Secret")
parameter = ssm.StringParameter.from_secure_string_parameter_attributes(stack, "Parameter",
parameter_name="/name",
version=1
)
service = apprunner.Service(stack, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(
port=8000,
environment_secrets={
"SECRET": apprunner.Secret.from_secrets_manager(secret),
"PARAMETER": apprunner.Secret.from_ssm_parameter(parameter),
"SECRET_ID": apprunner.Secret.from_secrets_manager_version(secret, version_id="version-id"),
"SECRET_STAGE": apprunner.Secret.from_secrets_manager_version(secret, version_stage="version-stage")
}
),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
)
)
service.add_secret("LATER_SECRET", apprunner.Secret.from_secrets_manager(secret, "field"))
Use a customer managed key
To use a customer managed key for your source encryption, use the kmsKey
attribute.
import aws_cdk.aws_kms as kms
# kms_key: kms.IKey
apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
),
kms_key=kms_key
)
HealthCheck
To configure the health check for the service, use the healthCheck
attribute.
You can specify it by static methods HealthCheck.http
or HealthCheck.tcp
.
apprunner.Service(self, "Service",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
),
health_check=apprunner.HealthCheck.http(
healthy_threshold=5,
interval=Duration.seconds(10),
path="/",
timeout=Duration.seconds(10),
unhealthy_threshold=10
)
)
Observability Configuration
To associate an App Runner service with a custom observability configuration, use the observabilityConfiguration
property.
observability_configuration = apprunner.ObservabilityConfiguration(self, "ObservabilityConfiguration",
observability_configuration_name="MyObservabilityConfiguration",
trace_configuration_vendor=apprunner.TraceConfigurationVendor.AWSXRAY
)
apprunner.Service(self, "DemoService",
source=apprunner.Source.from_ecr_public(
image_configuration=apprunner.ImageConfiguration(port=8000),
image_identifier="public.ecr.aws/aws-containers/hello-app-runner:latest"
),
observability_configuration=observability_configuration
)
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