DevOps176 articles

Table of Contents The initial setupCloudflare Tunnel for Home AssistantRemoving Let’s Encrypt add-onConclusion I continue to take care of my Home Assistant. This week, I replaced my original setup with Cloudflare Tunnel. This is the 6th post in the My …

Table of Contents The one giant cluster approachBetter resource utilizationLower operational overheadStraightforward networking and service communicationSimplified governanceCost efficiencyDownsides of a one giant cluster approachLarger blast radiusComplex multi-tenancy managementScalability limitsCluster-wide objectsWhat’s the ideal size, then?vClusterHow vCluster mitigates the downsides of a …

Table of Contents Weaving vCluster into the GitHub workflowChanges to the workflowCleaning upConclusion This week’s article is the third and final in my series about running tests on Kubernetes for each pull request. In the first post, I described the …

Table of Contents PrerequisitesDevelopmentMaven ArchetypeLambdaDockerBuilding the projectDeploymentSupporting AWS InfrastructureUpload DockerLambda DeploymentSAM Deployment (Alternative)TestingLocal TestingRemote TestingReferences Have you ever wanted to deploy a Java Serverless function, but package it with a Docker Image? That is possible now with AWS new Container …

In this article, we dive into the basics of LDAP (Lightweight Directory Access Protocol)—a powerful protocol used to manage directory information like user authentication, authorization, and centralized account management in IT systems. 🌐👨‍💻

We also explore LDAP Injection, a common security vulnerability 🛡️ where attackers manipulate LDAP queries to:
⚠️ Bypass authentication
⚠️ Access unauthorized data
⚠️ Modify directory entries

Learn how these attacks work, the risks they pose, and, most importantly, how to protect your systems with secure coding practices like input sanitization and parameterized queries. ✅💻

Whether you’re an IT professional, developer, or just curious about cybersecurity, this article is your crash course on LDAP and LDAP Injection! 🚀✨

Table of Contents The challenge of keeping microservices up to dateZero-migration architectureHow does zero-migration architecture work?ModularityEasily upgrade to a new version of LibertyCaveatsSummary: Zero migration vs technical debt In today’s production environments, it is not only expected, but critical to …

Table of Contents VideoPodcast (audio only)GuestsJonathan VilaBrian VermeerErik CostlowContent Three years after Log4Shell caused a significant security issue, we still struggle with insecure dependencies and injection problems. In this podcast, we’ll discuss how developers can secure their code. I talked …

I’m continuing my journey on getting more familiar with HTTP APIs by reading related RFCs.

DRY is an important principle in software development. In this article, you learn how to apply it to Apache APISIX configuration.

A simple implementation of the Idempotency-Key header specification on Apache APISIX via a plugin.