Tag: Devops
-
How using same programming language for IaC made AWS Step Function testable
Posted on January 28, 2022, Level intermediate Resource Length medium
AWS Step Functions are difficult to test. I found an approach to testing that helped in one particular scenario. It relies on using the same programming language for both testing and infrastructure-as-code (IaC). I hope the idea helps others tame their Step Functions into a testable submission. By Graham Allan.
Tags nosql cloud devops microservices tdd serverless
-
Best practices for using AWS StepFunctions
Posted on January 24, 2022, Level intermediate Resource Length medium
In this post you will learn some of the best patterns/tricks author has learned during my time creating Step Functions workflows. By Lukas Fruntke.
Tags aws devops cio containers javascript serverless
-
How Kubernetes creates and runs containers: An illustrated guide
Posted on January 18, 2022, Level intermediate Resource Length long
Understanding how Kubernetes handles containers gives you greater flexibility to create custom configurations for specific needs. Kubernetes enables you to do a lot of productive work without having to understand a lot about the underlying details. By Bob Reselman.
Tags cloud devops software-architecture cio how-to
-
How we saved 70k cores across 30 mission-critical services
Posted on January 15, 2022, Level advanced Resource Length long
As part of Uber engineering's wide efforts to reach profitability, recently our team was focused on reducing cost of compute capacity by improving efficiency. Some of the most impactful work was around GOGC optimization. In this blog we want to share our experience with a highly effective, low-risk, large-scale, semi-automated Go GC tuning mechanism. By Cristian Velazquez.
Tags how-to microservices performance devops app-development agile
-
GraphQL as a migration strategy for REST APIs
Posted on January 13, 2022, Level intermediate Resource Length medium
Traditional API architectures like SOAP and REST have been powering the web for a long time. But over the past five years, a change towards a more flexible and frontend-driven approach to API protocols has started, using GraphQL. But moving from a traditional API architecture like REST towards GraphQL can be challenging. Not only does your team need to adapt to GraphQL, but it also means you could be losing your investment in your current API architecture. By Mark Smallcombe.
Tags apis how-to restful devops web-development open-source
-
What is the difference between REST and SOAP APIs?
Posted on January 12, 2022, Level intermediate Resource Length short
When machines need to communicate with one another and exchange data, they require certain formatting for specific data types. That's where SOAP API and REST API come into play. They allow for communication and transfer of data, but each is different in several ways. From implementation to their required resources, various attributes separate one from the other. By Mark Smallcombe.
Tags apis programming restful devops learning
-
JWT authentication in microservices
Posted on January 11, 2022, Level intermediate Resource Length medium
As with any Web Service, the microservices need to be protected from unauthorized access. So how do you protect each of your services? How does one share the token that is received from the Auth service?. By Anu Viswan.
Tags apis infosec restful devops
-
What is containerd, and how does it relate to Docker and Kubernetes?
Posted on December 26, 2021, Level intermediate Resource Length long
Containers still mean "Docker" to many people. Docker popularised the modern use of containers in software development and deployment. These days, other technologies are around too. Here's how Containerd, Docker and Kubernetes relate to each other. By James Walker.
Tags cio docker devops kubernetes containers
-
Test your APIs further using HTTP Toolkit
Posted on December 24, 2021, Level intermediate Resource Length long
If you're a tester or developer who needs to work with APIs across different platforms, HTTP Toolkit is a valuable tool to keep by your side. By Anshul Behl. By Dennis Martinez.
Tags restful cio apis devops tdd cloud
-
Introduction to ansible-test
Posted on December 23, 2021, Level beginner Resource Length medium
As automation becomes crucial for more and more business cases, there is an increased need to test the automation code itself. This is where ansible-test comes in: developers who want to test their Ansible Content Collections for sanity, unit and integration tests can use ansible-test to achieve testing workflows that integrate with source code repositories. By Anshul Behl.
Tags devops ansible tdd cloud
-
Zero days explained: How unknown vulnerabilities become gateways for attackers
Posted on December 17, 2021, Level beginner Resource Length medium
A zero day is a security flaw for which the vendor of the flawed system has yet to make a patch available to affected users. You can't patch these holes—but you can still protect yourself. By Josh Fruhlinger.
Tags infosec app-development web-development devops learning
-
Running VMware Tanzu RabbitMQ on VMware Tanzu Kubernetes Grid
Posted on December 11, 2021, Level intermediate Resource Length medium
Whether you're integrating multiple microservices or building a new streaming app, you'll need a modern messaging and streaming service. RabbitMQ is one of the most popular open-source messaging and streaming brokers. By Yimeng Liu.
Tags cloud containers kubernetes devops distributed