DevOps & Cloud

Lighthouse CI is free and CI-native, but agency portfolios outgrow DIY scripts fast. Compare build vs buy for PageSpeed monitoring: maintenance, client reportin

Deploying EKS into an Existing VPC with eksctl and Terraform Continue reading on Medium »

12th June 2026 ,Netherlands — Modern observability is no longer just about collecting logs, metrics, and traces. Collection is only the… Continue reading on Med

A server under strain rarely crashes immediately. It slows down quietly. Database queries take a few milliseconds longer, web pages… Continue reading on Medium

Makefile in Spring Boot — Run Docker Commands Like a Pro with Java 25 and Spring Boot 4 Continue reading on Medium »

This is Part 3 of a 5-part series on free CI/CD for mobile and web developers. Part 1: Flutter | Part 2: Native iOS & Android Continue reading on Medium »

AWS is where most engineering organisations’ infrastructure lives, and AWS is increasingly where AI automation delivers the most immediate… Continue reading on

There’s no shortage of AI tools claiming to improve software delivery. Most of them focus on code generation. Some focus on chat… Continue reading on Medium »

For years, one of the most common patterns in CI/CD pipelines looked like this: Continue reading on Medium »

What the documentation assumes, what ESO 2.x quietly dropped, and why the trust chain matters more than the commands. Continue reading on Medium »

Two CI workers kick off at the same moment. Both sign up a test user, both poll the shared QA Gmail...

On June 9, 2026 (US time), two big announcements landed on the same day. At the keynote of Datadog's...

By Sailee Shingare | M.S. in Computer Science, Northern Illinois University (NIU) Continue reading on Medium »

A short methodology note on clustering proxy infrastructure through its own telemetry — with the weak links called out. Continue reading on Medium »

Fixing GHCR “Unauthorized” + Docker “Cannot perform interactive login from non-TTY” in GitHub...

When deploying applications using GitHub Actions + SSH (appleboy/ssh-action) and pulling images from...

Error budgets are useless without a policy. 'We're out of error budget' should trigger consequences....

Hey, ​ Genuine question for anyone running infrastructure or working at a B2B SaaS company: ​ Do your enterprise clients ever formally ask for uptime/SLA report

Subnetting and CIDR calculations are essential for Cloud and Network Engineers, DevOps professionals, and IT students. Continue reading on Medium »

Implement automated post-deployment verification — canaries, smoke tests, and drift detection — to validate every cloud change and enable safe rollbac

Today I continued building my Linux foundation by working directly in the command line and learning more about the Bash shell. Continue reading on Medium »

You maintain a shared GitLab CI template. You need to rename a job, change an input, or restructure...

MailHog was the go-to fake SMTP server for years. It's simple, free, and gets the job done locally....

Transactional Outbox with Kafka: How to Stop Losing Events When Syncing Databases When you...

We got bitten a couple of times by migrations that were fine as a target schema but not fine during the rollout - old pods still reading a column that a new pod

Author here. We kept writing migrations that were fine as a final schema but unsafe during the rollout itself - old pods still reading a column while new pods h

Over the years, I've worked on multiple small-to-medium applications running on modest...

I had a freshly-built, multi-arch dev image (linux/amd64 + linux/arm64) and one job: promote it into...

From bare-metal servers to orchestrated microservices — everything you need to understand K8s from the ground up. Continue reading on Medium »

 Beginner to Advanced Guide to Modern DevOps, CI/CD, Infrastructure as Code, Git, Testing, and Configuration Management (Part 1) Continue reading on Medium »

A backup script of mine created a lock file on startup so two copies couldn’t run at once — sensible. Then one night it hit an error… Continue reading on Medium

Day ퟭퟬ of the ퟭퟬퟬ 헗헮혆혀 헼헳 헗헲혃헢헽혀 헖헵헮헹헹헲헻헴헲. Today’s task: Create a Linux Bash Script. Continue reading on Medium »

Hi DEV community, I'm Yuriy, a fullstack developer and DevOps engineer with 10+ years of experience....

It was 2:37 AM when the pager went off. Production was degraded — a downstream service was timing out under load. I pulled up our ops wiki… Continue reading on

I’m doing my IT right now, and one of the things I picked up was building a small admin dashboard to track stuff at work. Nothing fancy… Continue reading on Med

A field guide to systemd timers: OnCalendar syntax, missed-run persistence, journald log retention — and what cron can’t match. Continue reading on Medium »

Persistent containers promise native tooling and strong isolation, though docs, features, and memory handling need polish

Picture this: Black Friday, 11:58 PM. Your e-commerce site is doing 50,000 orders per minute. The payment service is drowning. The… Continue reading on Medium »

Em ambientes corporativos, órgãos públicos e grandes empresas, é muito comum encontrar dezenas ou centenas de servidores rodando JBoss EAP… Continue reading on

A polished README hides the hours that went into making it work. The README for civo-infrastructure is no exception. The repo’s terragrunt… Continue reading on

Target: pnpm/pnpm Issue: pnpm/pnpm#12222 PR: pnpm/pnpm#12327 Field Lab: https://github.com/scarab-systems/scarab-field-lab This field test targeted a pnpm insta

The TL;DR  We are releasing puppetlabs-stdlib 10.0.1 with a...

Stop scaling by CPU. Start scaling by what actually matters — your users. Let’s be honest: Scaling...

A walk through the deployment story of Fitz — healthchecks, secrets as opaque types, OpenTelemetry...

Have we been lied to this entire time? submitted by <a href="https://www.reddit.com/user/Complete-Sea66

When a RAID array fails, the worst thing you can do is panic and start poking at it immediately. I've...

Fleet management within the open telemetry framework is difficult and often confusing. No doubt the contributors to these projects have done an amazing job deve

How I Streamlined Production Monitoring by Writing Code That Watches Code. Continue reading on Top Python Libraries »