DevOps&SRE Library

The Saga pattern is often positioned as a better way to handle distributed transactions. I see no point in discussing Saga's disadvantages because the problem is that Saga should not be used in the microservices at all:

If you need distributed transactions across a few microservices, most likely you incorrectly defined and separated domains.

Below is a long explanation why.

Command line tool allowing to convert the barely usable output of the terraform graph command to something more meaningful and explanatory.

A solution for versioning multiple Terraform module while preserving your Monorepo

If you have created terraform modules and want to deploy them in different AWS regions then this is the right place.

This blog covers:

How to provision modules in multiple AWS regions using Terraform?
Other possible options.

OpenCost models give teams visibility into current and historical Kubernetes spend and resource allocation. These models provide cost transparency in Kubernetes environments that support multiple applications, teams, departments, etc.

OpenCost was originally developed and open sourced by Kubecost. This project combines a specification as well as a Golang implementation of these detailed requirements.

Вебинар пройдет в рамках онлайн-курса «Базы данных» в OTUS. Больше навыков по работе с БД ждет вас на курсе, возможны разные способы его оплаты.

Preevy is a powerful Command Line Interface (CLI) tool designed to simplify the process of creating ephemeral preview environments. With Preevy, you can easily provision a preview environment for any Docker-Compose application in the cloud.

Dkron is a distributed cron service, easy to setup and fault tolerant with focus in:

- Easy: Easy to use with a great UI
- Reliable: Completely fault tolerant
- Highly scalable: Able to handle high volumes of scheduled jobs and thousands of nodes

Dkron is written in Go and leverage the power of the Raft protocol and Serf for providing fault tolerance, reliability and scalability while keeping simple and easily installable.

A shell parser, formatter, and interpreter with bash support; includes shfmt

Anywherelan (awl for brevity) is a mesh VPN project, similar to tinc, direct wireguard or tailscale. Awl makes it easy to connect to any of your devices (at the IP protocol level) wherever they are.

The solid performance of managed Kubernetes platforms is generally regarded as a given and is hardly ever put into question. However, maybe there is a difference in how containers perform on different popular managed Kubernetes platforms. I wanted to take a deeper look and selected the two most popular Kubernetes services we use at Blueshoe for our clients: Amazon Elastic Kubernetes Service (EKS) and the Google Kubernetes Engine (GKE).