How does public key encryption work? | Public key cryptography and SSL
Posted on June 1, 2020, Level beginner Resource Length short
Public key encryption, also known as asymmetric encryption, uses two separate keys instead of one shared one: a public key and a private key. Public key encryption is an important technology for Internet security. By cloudflare.com.
Getting started with the Ansible collection for NGINX controller
Posted on May 28, 2020, Level intermediate Resource Length long
Recently, NGINX announced the release of the Ansible collection for NGINX Controller. The collection contains a set of Ansible Roles that make it easy to incorporate NGINX Controller into your workflows. You can automate routine tasks such as generating ephemeral API tokens, managing certificate lifecycles, and configuring Controller objects (Gateways, Applications, and Components). By Brian Ehlert.
Tags nginx ansible programming devops
Healthcare analytics platform reference architecture
Posted on May 23, 2020, Level intermediate Resource Length long
This document explains the architecture of the healthcare analytics platform—a set of tools on Google Cloud that helps you process clinical and operational healthcare data—to researchers, data scientists, IT teams, and business analysts. By cloud.google.com.
Test Ansible roles using Molecule and Podman
Posted on May 14, 2020, Level intermediate Resource Length medium
I needed to have testing added to Ansible roles. There are various people in the customer organization developing roles, and we want a lightweight, easy to use test process to unify the looks and quality of the roles. By Ilkka Tengvall.
10000 nodes and beyond with Akka Cluster and Rapid
Posted on May 7, 2020, Level advanced Resource Length long
At the foundation of clustered systems are so-called membership protocols. The job of a membership protocol is to keep clustered applications up-to-date with the list of nodes that are part of the cluster, allowing all the individual nodes to act as one system. By Manuel Bernhardt.
Utilising hashes in Hiera to reduce code complexity
Posted on May 5, 2020, Level intermediate Resource Length long
Darren Gipson wrote this piece about their effort to standardize the Puppet code design. They have moved as much of the data layer as possible to Hiera. Hiera is a built-in key-value configuration data lookup system, used for separating data from Puppet code.
Tags devops cloud cicd web-development
Scaling Kubernetes monitoring without blind spots or operations burden
Posted on April 20, 2020, Level intermediate Resource Length medium
Kubernetes has seized center stage in the DevOps world when building and migrating applications to a cloud-native environment. In reality, Kubernetes is a means to an end — to scale operations of containerized microservice architecture. By Daniella Pontes.
Tags agile kubernetes devops how-to
Best practices for microservices on kubernetes
Posted on April 4, 2020, Level intermediate Resource Length long
There are several best practices for building microservices architecture properly. In this article author mentions the best practices with some new rules dedicated especially for microservices deployed on Kubernetes platform. By Piotr Minkowski.
Attack matrix for Kubernetes
Posted on April 2, 2020, Level intermediate Resource Length medium
Security research software engineer Yossi Weizman put together this guide for considering new security challenges when moving workloads to Kubernetes.
GitOps using Helm3 and Flux for Node.js and Express.js Microservice
Posted on April 1, 2020, Level intermediate Resource Length long
In this tutorial author will show you how to build a GitOps pipeline for a Node.js application built with Express.js. The application was created in an earlier tutorial. Rather than deploying new versions manually, flux will deploy it to Kubernetes whenever a build of the Docker image is available. By Alex Ellis.
Kubernetes Canary deployment with Gitlab CI
Posted on March 31, 2020, Level intermediate Resource Length long
We're using GitlabCI and a manual GitOps approach to implement and perform Canary Kubernetes deployments. They use a manual approach and alter/create core-Kubernetes resources to perform a Canary deployment. This is mainly for understanding how a Canary deployment works. By Kim Wuestkamp.
Serverless Service Mesh with Knative and Linkerd
Posted on March 29, 2020, Level intermediate Resource Length medium
Charles Pretzer wrote this piece about how to use Linkerd with Knative. Two of the most popular serverless platforms for Kubernetes are Knative and OpenFaaS, and there's a lot of existing content on using Linkerd and OpenFaaS together.