DevOps Articles

Curated articles, resources, tips and trends from the DevOps World.

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3 years ago

Fix error: Found an encoded list token string in a scalar string context in

The error throw new Error: Found an encoded list token string in a scalar string context. Use 'Fn.select(0, list)' (not 'list[0]') to extract elements from token lists. likely happens if you do the following:

3 years ago

Example SCP: Deny access to AWS in unsupported regions

This SCP restricts the use of AWS services in unsupported AWS Regions. This is very useful if you only deploy to a single AWS region. By revoking access to other AWS regions you'll effectively limit the blast radius in the event of a security breach.

3 years ago

AWS CloudFormation Properties Cheat Sheet

This cheat sheet shows a single table overview of all available (900+) AWS resource types including their available properties. Bookmark this page so use you can use it to look up CloudFormation properties quickly.

3 years ago

Example SCP: Deny S3 bucket creation if ACLs are enabled

S3 Bucket ACLs are a legacy access control mechanism and AWS recommends disabling this when creating new S3 buckets. Since IAM is the defacto standard to secure AWS resources, it's best practice to use bucket policies to control access to objects in the S3 bucket.

3 years ago

AWS CDK Construct

A construct represents a cloud component. Constructs encapsulate everything that AWS CloudFormation needs to create the resources and properties. It can contain one or more AWS resources, you're free to customize it yourself.

3 years ago

Example SCP: Deny AWS account root user access

It's generally a best practice to not use the root user to do your tasks in your AWS account. Instead, you should create an IAM admin user and use that to do administrative tasks.

3 years ago

Fix error: cannot consume a cross reference from stack in AWS CDK

The error Error: Stack "exampleStack1" cannot consume a cross reference from stack "exampleStack2". Cross stack references are only supported for stacks deployed to the same environment or between nested stacks and their parent stack likely happens if you do the following:

3 years ago

AWS CDK Stack

A stack represents a bundle of AWS resources contained for a single deployment. AWS CDK Stacks is based upon AWS CloudFormation stacks, therefore it contains the same features and limitations.

3 years ago

Configure OpenID Connect for Bitbucket in AWS CDK

This guide will explain what is required to create a Bitbucket OpenID Connect (OIDC) provider in AWS CDK and includes a Bitbucket pipeline example on how to authenticate to AWS and access resources.

3 years ago

Impressions of the Kubernetes and Cloud Native Associate (KCNA) certificati

Kubernetes is a useful tool in the world of cloud native. And more and more companies are using it. It’s also a tool that carries a lot of depth and potential for complexity. To put it simply, there’s a lot you can learn when it comes to Kubernetes.

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DevOps Articles

Fix error: Found an encoded list token string in a scalar string context in

Example SCP: Deny access to AWS in unsupported regions

AWS CloudFormation Properties Cheat Sheet

Example SCP: Deny S3 bucket creation if ACLs are enabled

AWS CDK Construct

Example SCP: Deny AWS account root user access

Fix error: cannot consume a cross reference from stack in AWS CDK

AWS CDK Stack

Configure OpenID Connect for Bitbucket in AWS CDK

Impressions of the Kubernetes and Cloud Native Associate (KCNA) certificati

Share Your DevOps Expertise

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