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DevOps & Cloud

CI/CD, Docker, Kubernetes, AWS, GCP, Azure, monitoring and infrastructure as code

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Linux & CLI
beginner
Navigate the filesystem, manage permissions, and use pipes
Docker & Containers
beginner
Write a production-ready Dockerfile
Cloud Fundamentals
intermediate
Deploy a web app on AWS EC2 or App Engine
Kubernetes
intermediate
Deploy a multi-container app on a k8s cluster
CI/CD Pipelines
intermediate
Build a CI pipeline that runs tests on every PR
Infrastructure as Code
advanced
Provision a full VPC with Terraform
All Reads (907) Articles (468)Blog Posts (321)Tutorials (114)News (4)
The Moment the Jaeger Tracer Exhausted Itself and What We Switched To
Dev.to · pretty ncube ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
The Moment the Jaeger Tracer Exhausted Itself and What We Switched To
The Problem We Were Actually Solving Our treasure-hunt engine at Veltrix was not exploding; it was...
SCS-Lab1 — CloudTrail: Trail + S3 + KMS + Log Validation
Dev.to · Luis Eduardo Lunar Guevara ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
SCS-Lab1 — CloudTrail: Trail + S3 + KMS + Log Validation
Región: us-east-1 Duración estimada: 35–55 minutos Costo-riesgo: Medio Certificación: AWS Certified...
Default Config Is a Slow Config
Dev.to · pretty ncube ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Default Config Is a Slow Config
The Problem We Were Actually Solving Looking back, we were trying to solve the wrong...
SSH Login Delays: The 10-Second Wait That Drives Us Crazy
Dev.to · Schiff Heimlich ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
SSH Login Delays: The 10-Second Wait That Drives Us Crazy
The Problem Every sysadmin has been there: you SSH into a server and wait... and wait......
The Hidden Cost of Downtime: How SRE Error Budgets Protect National Economic Infrastructure
Dev.to · Nijo George Payyappilly ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
The Hidden Cost of Downtime: How SRE Error Budgets Protect National Economic Infrastructure
At 9:30 AM on August 1, 2012, Knight Capital Group's trading systems began executing a catastrophic...
Managing multiple docker hub accounts using docker-use
Dev.to · Chirag Aggarwal ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Managing multiple docker hub accounts using docker-use
Most of the time I'm signed into my work Docker Hub account, and that's fine. Almost everything I...
SSH Login Taking Forever? Check Your DNS Settings
Dev.to · Schiff Heimlich ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
SSH Login Taking Forever? Check Your DNS Settings
A simple fix for slow SSH connections caused by DNS lookups
The Modern DevSecOps Engineering Stack (2026 Edition): From First Commit to Production
Dev.to · Aturo Phil ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
The Modern DevSecOps Engineering Stack (2026 Edition): From First Commit to Production
Here's a hard truth I learnt after watching a production database get wiped by a leaked .env file:...
My CI/CD Architecture
Dev.to · Akash Santra ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
My CI/CD Architecture
Why I Decided to Add CI/CD As my AI-powered realtime communication platform started...
I stopped uploading my files to random websites and built my own tools instead
Dev.to · PureTools ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
I stopped uploading my files to random websites and built my own tools instead
Every week I'd find myself doing the same thing. Googling "compress PDF Every week I'd find myself...
Navigating the Hidden Dangers of Server Growth with Treasure Hunt Engine
Dev.to · theresa moyo ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Navigating the Hidden Dangers of Server Growth with Treasure Hunt Engine
The Problem We Were Actually Solving I still remember the day our team's server growth hit...
Auto versioning + changelog generation using Github Action
Dev.to · Kyle Y. Parsotan ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Auto versioning + changelog generation using Github Action
Auto versioning + changelog generation is a very real production pattern used in open-source and SaaS...
Observability in 2026: Distributed Tracing Replaced Logs, and OpenTelemetry Won
Dev.to · ZNY ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Observability in 2026: Distributed Tracing Replaced Logs, and OpenTelemetry Won
Observability in 2026: Distributed Tracing Replaced Logs, and OpenTelemetry Won The...
🌿 Git Mastery: The Complete Developer Guide
Dev.to · Dishon Oketch ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
🌿 Git Mastery: The Complete Developer Guide
From your first commit to advanced branching strategies — everything you need to version control like...
Serverless Server Overhead: A Treasure Hunt to Get Right Before Your Server Scales
Dev.to · pinkie zwane ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Serverless Server Overhead: A Treasure Hunt to Get Right Before Your Server Scales
The Problem We Were Actually Solving Digging deeper, we discovered that our serverless...
What I Learned From Building a Hytale Server That Didnt Fall Apart
Dev.to · theresa moyo ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
What I Learned From Building a Hytale Server That Didnt Fall Apart
The Problem We Were Actually Solving I still remember the first time our Hytale server...
Adventures in Server Burnout: How Our Treasure Hunt Engine Lost Its Cache
Dev.to · theresa moyo ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Adventures in Server Burnout: How Our Treasure Hunt Engine Lost Its Cache
The Problem We Were Actually Solving We were trying to use our treasure hunt engine, a...
The contract is the interface: agent-driven Steampipe Stave in one command
Dev.to · Bala Paranj ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
The contract is the interface: agent-driven Steampipe Stave in one command
Wiring a new infrastructure source into a security policy engine used to mean writing a custom extractor. We replaced it with a YAML contract per asset type and
My Server Scaling Nightmare: Why Most People Get Veltrix Configuration Wrong
Dev.to · pinkie zwane ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
My Server Scaling Nightmare: Why Most People Get Veltrix Configuration Wrong
The Problem We Were Actually Solving Last year, our team at Mythic Games launched a highly...
A Practical Guide to Not Losing Your Treasure in a Sea of Configuration Choices
Dev.to · theresa moyo ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
A Practical Guide to Not Losing Your Treasure in a Sea of Configuration Choices
The Problem We Were Actually Solving We're building a treasure hunt engine for a massive...
I Deployed Netflix's Web Server in 30 Seconds (And So Can You) - Docker Project 1
Dev.to · PETER Samuel ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
I Deployed Netflix's Web Server in 30 Seconds (And So Can You) - Docker Project 1
Introduction What You Will Build Today By the end of this tutorial, you will have: A live web...
The False Sense of Security in Server Health Monitoring
Dev.to · theresa moyo ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
The False Sense of Security in Server Health Monitoring
The Problem We Were Actually Solving In our pursuit of server health, we were focusing on...
Spot instances as GitHub Actions runners
Dev.to · Khachatur Ashotyan ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Spot instances as GitHub Actions runners
Part 1 was Jenkins as code with ephemeral workers. Part 2 was macOS. This one moves a chunk of the CI...
When I Finally Realized My Runtime Was Holding Me Back
Dev.to · pretty ncube ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
When I Finally Realized My Runtime Was Holding Me Back
The Problem We Were Actually Solving I was tasked with optimizing the performance of our...
The Silent Scalability Bottleneck
Dev.to · ruth mhlanga ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
The Silent Scalability Bottleneck
The Problem We Were Actually Solving We had just launched a new live scoring feature for...
Investigation Reports: When Monitors Get Smarter
Dev.to · Patrick Londa ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
Investigation Reports: When Monitors Get Smarter
What if your monitor didn't just fire an alert — it also investigated the issue and delivered a diagnosis before you even reached your keyboard? That's what Inv
It Worked When I Closed the Laptop. I Swear.
Dev.to · Game Dev Notes (Korea) ☁️ DevOps & Cloud ⚡ AI Lesson 2w ago
It Worked When I Closed the Laptop. I Swear.
Last night the build was clean. This morning, five red errors before the coffee was even warm. git...
Treasure Hunt Engine: How We Survived the Horror of Default Config
Dev.to · ruth mhlanga ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Treasure Hunt Engine: How We Survived the Horror of Default Config
The Problem We Were Actually Solving At the early stages of our deployment, we focused on...
The Infrastructure Team Is the Real Single Point of Failure
Dev.to · NTCTech ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
The Infrastructure Team Is the Real Single Point of Failure
Every serious infrastructure investment goes into redundant hardware, distributed systems, and...
Why we moved from LVM to Ceph for container storage 📦
Dev.to · Flora Brandão ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Why we moved from LVM to Ceph for container storage 📦
Managing storage that is glued to your compute nodes makes scaling a nightmare. We found that LVM...
Your cron jobs are probably failing silently and you have no idea
Dev.to · SamReid ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Your cron jobs are probably failing silently and you have no idea
Background jobs die quietly. Heartbeat monitoring is the pattern that catches them - how it works, why inverted checks beat ping monitors for scheduled tasks, a
How an expired SSL cert took down our checkout for six hours (and what I should have had watching)
Dev.to · SamReid ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
How an expired SSL cert took down our checkout for six hours (and what I should have had watching)
A post-mortem on a cert expiry outage that an uptime monitor marked green for four hours. What Let's Encrypt auto-renewal actually fails on, and how to properly
The 5 things traditional uptime monitors miss (and how to catch them)
Dev.to · SamReid ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
The 5 things traditional uptime monitors miss (and how to catch them)
JavaScript failures, CDN stale cache, hydration errors, visual regressions, and silent cron deaths - the production incidents that return HTTP 200 and fool your
How to build a visual uptime monitor with Go and headless Chrome
Dev.to · SamReid ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
How to build a visual uptime monitor with Go and headless Chrome
Most uptime monitors work by making an HTTP request and checking the response code. It's fast, cheap,...
The Context Window Is RAM — Why Your Agent's SLIs Are Telling You It's Full
Dev.to · Ajay Devineni ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
The Context Window Is RAM — Why Your Agent's SLIs Are Telling You It's Full
The Microsoft team that built the Azure SRE Agent published something in January that I keep coming...
NIS2 Article 21 in Azure: Implementing Network Security Controls with Terraform
Dev.to · david ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
NIS2 Article 21 in Azure: Implementing Network Security Controls with Terraform
NIS2 Article 21 in Azure: Implementing Network Security Controls with Terraform Tags: terraform,...
What did our VPC look like at 22:14 (Tue, 2026-05-20) — building clew, a CLI for navigating AWS Config snapshots
Dev.to · nishikawaakira ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
What did our VPC look like at 22:14 (Tue, 2026-05-20) — building clew, a CLI for navigating AWS Config snapshots
It's 2am. Production is on fire. Someone in the war room asks, "what did the VPC actually look like...
The Complete Guide to Running a Midnight Node: Setup, Sync & Monitoring
Dev.to · Uroy Nwankwo ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
The Complete Guide to Running a Midnight Node: Setup, Sync & Monitoring
If you've been building on Midnight or want to participate in the network without trusting...
HashiCorp built an MCP server for writing Terraform. I built one for reviewing it
Dev.to · Sanjeev Kumar ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
HashiCorp built an MCP server for writing Terraform. I built one for reviewing it
HashiCorp built an MCP server for writing Terraform. I built one for reviewing it. A few...
I built a CLI that eliminates README reading forever
Dev.to · rexrun ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
I built a CLI that eliminates README reading forever
rex detects your project stack and runs the right command. Zero config. One binary. 12 ecosystems.
When a port is already in use, there is no interactive way to find it — so I built `port-peek`
Dev.to · Mu Micro ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
When a port is already in use, there is no interactive way to find it — so I built `port-peek`
The problem When a port is already in use, developers have to chain together lsof, grep,...
I Never Want to Write Another On-Call Incident About Nigeria
Dev.to · mary moloyi ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
I Never Want to Write Another On-Call Incident About Nigeria
The Problem We Were Actually Solving Our initial approach was to use PayPal as the primary...
Stop Wrestling With Terraform State Imports at Scale
Dev.to · pickuma ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Stop Wrestling With Terraform State Imports at Scale
The classic terraform import command mutates state with no preview and handles one resource at a time. Here is how config-driven import blocks, generated config
Beginner’s Guide to Hosting Your First App on DigitalOcean
Dev.to · Leoo Chet ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Beginner’s Guide to Hosting Your First App on DigitalOcean
For the longest time, all my projects lived on localhost. Every side project I built stayed trapped...
From Years to Hours
Dev.to · Anna ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
From Years to Hours
It's not a brag for me to say "I've been visualizing infrastructure since 2018" - it's the actual...
Why your uptime monitor says everything's fine while users see a white screen
Dev.to · SamReid ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Why your uptime monitor says everything's fine while users see a white screen
It was 11:47 PM on a Thursday when the Slack messages started rolling in. "Hey, the checkout page...
What I'd do differently if I migrated this CI/CD pipeline again next week
Dev.to · Brian Becker ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
What I'd do differently if I migrated this CI/CD pipeline again next week
by the AI that did it I'm Brian. I'm 63. I've been writing software since 1980 — Fortran...
Amazon Q Developer CLI ahora es Kiro CLI — ¿Qué cambió y por qué importa?
Dev.to · Carlos Cortez 🇵🇪 [AWS Hero] ☁️ DevOps & Cloud ⚡ AI Lesson 3w ago
Amazon Q Developer CLI ahora es Kiro CLI — ¿Qué cambió y por qué importa?
Amazon Q Developer CLI ahora es Kiro CLI — ¿Qué cambió y por qué importa? Si llevas un...