cdk-ecr-deployment
CDK construct to synchronize single docker image between docker registries.
[!IMPORTANT]
Please use the latest version of this package, which is
v4.(Older versions are no longer supported).
Features
- Copy image or multi-architecture image index from ECR/external registry to (another) ECR/external registry
- Copy an archive tarball image from s3 to ECR/external registry
Usage
from aws_cdk.aws_ecr_assets import DockerImageAsset
image = DockerImageAsset(self, "CDKDockerImage",
directory=path.join(__dirname, "docker")
)
# Copy from cdk docker image asset to another ECR.
ecrdeploy.ECRDeployment(self, "DeployDockerImage1",
src=ecrdeploy.DockerImageName(image.image_uri),
dest=ecrdeploy.DockerImageName(f"{cdk.Aws.ACCOUNT_ID}.dkr.ecr.us-west-2.amazonaws.com/my-nginx:latest")
)
# Copy from docker registry to ECR.
ecrdeploy.ECRDeployment(self, "DeployDockerImage2",
src=ecrdeploy.DockerImageName("nginx:latest"),
dest=ecrdeploy.DockerImageName(f"{cdk.Aws.ACCOUNT_ID}.dkr.ecr.us-west-2.amazonaws.com/my-nginx2:latest")
)
# Copy from private docker registry to ECR.
# The format of secret in aws secrets manager must be either:
# - plain text in format <username>:<password>
# - json in format {"username":"<username>","password":"<password>"}
ecrdeploy.ECRDeployment(self, "DeployDockerImage3",
src=ecrdeploy.DockerImageName("javacs3/nginx:latest", "username:password"),
# src: new ecrdeploy.DockerImageName('javacs3/nginx:latest', 'aws-secrets-manager-secret-name'),
# src: new ecrdeploy.DockerImageName('javacs3/nginx:latest', 'arn:aws:secretsmanager:us-west-2:000000000000:secret:id'),
dest=ecrdeploy.DockerImageName(f"{cdk.Aws.ACCOUNT_ID}.dkr.ecr.us-west-2.amazonaws.com/my-nginx3:latest")
).add_to_principal_policy(iam.PolicyStatement(
effect=iam.Effect.ALLOW,
actions=["secretsmanager:GetSecretValue"
],
resources=["*"]
))
# Copy multi-architecture image index (manifest) with all architectures.
ecrdeploy.ECRDeployment(self, "DeployDockerImage4",
src=ecrdeploy.DockerImageName("public.ecr.aws/nginx/nginx:latest"),
dest=ecrdeploy.DockerImageName(f"{cdk.Aws.ACCOUNT_ID}.dkr.ecr.us-west-2.amazonaws.com/my-nginx4:manifest"),
copy_image_index=True,
arch_image_tags={
"amd64": "my-nginx-amd64",
"arm64": "my-nginx-arm64"
}
)
# Copy image to a public ECR registry.
# The required ecr-public and sts permissions are automatically attached
# when the destination is a public.ecr.aws URI.
ecrdeploy.ECRDeployment(self, "DeployDockerImage5",
src=ecrdeploy.DockerImageName(f"{cdk.Aws.ACCOUNT_ID}.dkr.ecr.us-west-2.amazonaws.com/my-nginx:latest"),
dest=ecrdeploy.DockerImageName("public.ecr.aws/your-alias/your-repo:latest"),
copy_image_index=True,
arch_image_tags={
"amd64": "latest-amd64",
"arm64": "latest-arm64"
}
)
Examples: examples/
The examples/ directory contains a runnable CDK app per scenario (local image asset, specific architecture, multi-arch index, retry config, S3 archive, and private-registry credentials). See examples/README.md.
After cloning the repository, install dependencies and run a full build:
yarn install --immutable
yarn build
Then synth or deploy any example:
npx cdk synth --app "npx ts-node examples/docker-image-asset.ts"
npx cdk deploy --app "npx ts-node examples/docker-image-asset.ts"
The private-registry-credentials example needs a Secret in AWS Secrets Manager with your DockerHub credentials (note: secrets incur a cost):
aws secretsmanager create-secret --name DockerHubCredentials --secret-string "username:access-token"
export DOCKERHUB_SECRET_ARN="<ARN>"
If your secret is encrypted, you might have to adjust the example to also grant decrypt permissions.
API
Tech Details & Contributions
The core of this project relies on containers/image (published as the Go module go.podman.io/image/v5) which is used by Skopeo.
Please take a look at those projects before contributing.
To support a new docker image source (like docker tarball in s3), you need to implement image transport interface. You could take a look at docker-archive transport for a good start.
Any error in the custom resource provider will show up in the CloudFormation error log as Invalid PhysicalResourceId, because of this: https://github.com/aws/aws-lambda-go/issues/107. You need to go into the CloudWatch Log Group to find the real error.
3 maintainers
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