“devops”
Docker Compose Profiles: Running Only the Services You Need
Compose profiles let one compose.yaml hold your core stack plus every debug, admin, and observability sidecar — and start only the subset you ask for.
Foreground vs Detached Mode: When to Run Docker Containers in the Background
Foreground or -d? How attached output, Ctrl-C, Ctrl-P Ctrl-Q detach, docker logs and restart policies interact — and how to pick the right mode every time.
Limiting CPU and Memory per Container: A Practical Guide
--memory, --memory-swap, --cpus, --cpu-shares: what each flag really enforces, how OOM kills show up as exit code 137, and how to size limits you can defend.
Tail and Follow Container Logs with docker logs
docker logs -f, --tail, --since and timestamps, plus the json-file vs local drivers, log rotation, and how to stop losing container output.
Signal Handling and Graceful Container Shutdown in Docker
Why PID 1 ignores your SIGTERM, how docker stop's 10-second grace period really works, and how tini, exec-form ENTRYPOINT and healthchecks make shutdown graceful.
Sustaining Open Source Velocity: How the Flutter Community Ships Quality at Scale
From triaging thousands of GitHub issues to automated bot workflows and regression bisecting, discover the engineering culture driving Flutter.
5,800 Changes in One Year: The Relentless Development Pace of Flutter
With over 5,800 merged pull requests and changes in a single year, we examine how the Flutter engineering team balances rapid innovation with zero regressions.
BuildKit Cache Mounts: Fast Package Installs in Docker Builds
RUN --mount=type=cache gives Docker builds a persistent, shared cache across builds — pip, npm, apt, Go modules, and Cargo all get dramatically faster with it.
Under the Hood: How the Docker CLI Talks to the Docker Engine REST API
Every docker command is an HTTP request. Learn how the Docker CLI communicates with the dockerd REST API over the Unix socket, and how to call the API directly with curl.
Healthchecks and depends_on: Making Docker Compose Startup Order Reliable
docker compose up racing your app? Use healthchecks and depends_on conditions like service_healthy to guarantee your services start in the right order — and stay that way.
How Docker's Embedded DNS Resolves Container Names
Docker containers resolve each other by name via an embedded DNS server at 127.0.0.11. Learn how it works, why it beats /etc/hosts hacks, and how to debug name resolution.
Docker Named Volumes: The Complete Guide
Named volumes are Docker's managed storage for persistent data. Learn how to create, inspect, mount, back up, and clean up named volumes — and when to choose them over bind mounts.
Demystifying Flutter Web Plugin Registrant: Auto-Generation, Bootstrapping, and Fixes
A comprehensive technical look at flutter_tools and web_plugin_registrant.dart: understanding plugin discovery, incremental regeneration, and resolving web build desyncs.
Docker Licensing & Editions in 2026: Docker Engine vs Docker Desktop vs Business
Comparing open-source Docker Engine (Moby) vs Docker Desktop commercial licensing terms, enterprise compliance, and alternatives like OrbStack/Colima.
Evaluating AI Agent Frameworks in 2026: An Enterprise Adoption Checklist
Key evaluation criteria for selecting an AI agent SDK: type safety, observability, state persistence, human-in-the-loop approval, sandboxing, and community support.
Installing Docker Engine on Debian 12 (Bookworm): Step-by-Step Guide
Setting up official Docker apt repository, GPG keys, installing docker-ce, containerd.io, Buildx, Compose plugin, systemd enablement, and non-root user setup.
Mastering docker run: Container Flags, Port Mapping, Volumes, and Env Vars
Comprehensive guide to docker run -d -p 8080:80 -v data:/app --env-file .env --name web app:v1, interactive -it containers, and lifecycle flags.
Verifying Your Docker Setup: Diagnostics, Architecture & hello-world
Troubleshooting Docker daemon sockets (/var/run/docker.sock), permission errors, running hello-world, and system diagnostics.
End-to-End Testing in Flutter: From flutter drive to integration_test Across Platforms
The integration_test package is the modern path for end-to-end Flutter testing, built on flutter_driver. Learn how to write and run integration tests across desktop, Android, iOS, web, and Firebase Test Lab.
Writing Useful HEALTHCHECK Instructions in a Dockerfile
A HEALTHCHECK that always passes is worse than none. A practitioner guide to the instruction forms, timing options and defaults, how health status reaches docker ps and Compose depends_on, and the checks that lie while your app is broken.
Docker Hub Rate Limits: How They Work and How to Cope
Docker Hub caps pulls per six-hour window for unauthenticated and Personal users. Learn exactly what counts as a pull, what the 429 looks like, and the mitigation ladder from CI auth to a pull-through cache.
Docker Buildx: The Next-Generation Build CLI
A practical buildx tutorial: verify the plugin, understand builders and drivers, master --load/--push/--platform, wire up cache export and import, and know when plain docker build is enough.
Multi-File Compose: The Base-Plus-Override Pattern
How docker compose -f base.yml -f override.yml merges files, the automatic compose.override.yml convention, and patterns for dev/staging/prod configs.
What Docker Compose Is and When to Reach for It
Docker Compose turns a YAML file into a multi-container application. Where it shines, where it stops being enough, and how it fits next to Kubernetes.
What Docker Is and Why Containers Exist
Containers solved the 'works on my machine' problem by packaging apps with their dependencies. What Docker actually does under the hood and why it took over deployment.
Flutter Unit Testing: A Practical Guide with Examples
From your first test() to mocking dependencies and testing async logic — a hands-on guide to unit testing Flutter and Dart code.
CVE Scanning with Trivy: Finding Vulnerabilities in Container Images
A practical guide to scanning container images for known vulnerabilities with Trivy — from a one-line local scan to CI gates, ignore policies, and air-gapped setups.
Docker Build Cache: What Invalidates Each Layer
Why changing one line of code re-downloads your dependencies — the exact rules Docker uses to hit or miss the cache, and how to structure a Dockerfile so it hits almost every time.
Base Images Compared: Alpine, Slim, Distroless, and Scratch
The FROM line decides your image size, your CVE count, your glibc-vs-musl headaches, and whether you have a shell to debug with. A practical guide to choosing a base image.
Docker Network Drivers: bridge, host, overlay, macvlan, and when to use each
Six built-in network drivers, each with a different isolation model. A practical guide to bridge vs host vs overlay vs macvlan vs ipvlan — and the user-defined network features most projects never discover.
ENTRYPOINT vs CMD: Who Actually Runs in Your Container
ENTRYPOINT sets the executable, CMD sets the default arguments — and the rules for how they combine, override, and break signal handling are the ones every Docker user eventually needs.
Startup Ordering That Actually Works: Healthchecks and depends_on in Compose
Compose depends_on only waits for containers to start, not to be ready. Gate startup on real readiness with healthchecks and condition: service_healthy — and know what that guarantee does not cover.
What Is Helm? The Kubernetes Package Manager Explained
YAML sprawl is the Kubernetes tax. Helm solves it with packages, templating, releases, and rollbacks — here's how it works and how to ship your first chart.
Docker Restart Policies Explained: no, always, on-failure, unless-stopped
When should Docker restart your container? A practical guide to the four restart policies and how to choose the right one for each workload.
Flutter CI/CD Pipelines: Automating Test and Release
Build a Flutter CI/CD pipeline that analyzes, tests, and ships. From GitHub Actions to fastlane and Xcode Cloud, here is what a production pipeline looks like.
Context-Driven Development: Managing AI Agents, System Architecture, and CI/CD with INTENT.md, DESIGN.md, and AGENTS.md
Learn how to enforce structured context for AI coding agents and CI/CD pipelines using INTENT.md, DESIGN.md, and AGENTS.md with automated GitHub Actions guardrails.
Kubernetes for Frontend Teams: A Gentle Introduction
A beginner-friendly, code-first tour of Kubernetes for frontend engineers: core objects like Pods, Deployments, Services and Ingress, plus a complete YAML bundle to deploy a React SPA and API with health checks.
Docker for Web Developers: Images That Ship
A code-first walkthrough of writing Dockerfiles for web apps that actually ship: multi-stage builds, non-root users, .dockerignore, secrets, BuildKit caching, and docker compose for local dev.
Scaling Beyond the Single Agent: Distributed Gemini 3 Clusters on Kubernetes
A single agent is a request; a cluster is a service. Learn to run distributed Gemini 3 agent workloads on Kubernetes with disaggregated prefill/decode, KV-cache-aware routing, gang scheduling, and SLO-driven autoscaling.
Automated CI/CD Regression Evaluation for ADK Agents
Implement an automated Python quality gate for ADK agents in CI/CD pipelines to prevent trajectory regressions and enforce pass-rate thresholds before deployment.
One-Command CI/CD Deployment for ADK with GitHub Actions
Set up an end-to-end GitHub Actions workflow that executes tests, runs ADK evaluation quality gates, builds multi-stage Docker images, and deploys to Cloud Run.
Mastering the Agents CLI: Your Gateway to Enterprise-Grade AI Agents
Learn how to build, evaluate, and deploy enterprise-ready AI agents using the Google Agents CLI (ADK).
Autonomous DevOps: Setting up a Self-Healing CI/CD with Gemini 3 Agents
How to leverage the reasoning power of Gemini 3 to create a truly autonomous, self-healing CI/CD pipeline.
Astro + Gemini 3: Building the First Self-Updating and Self-Correcting Blog
How to use Astro.js and Gemini 3 to create a blog that automatically finds content gaps and generates new posts in a self-sustaining cycle.
llms.txt: A Better Way to Make Your API Docs AI-Friendly
How the llms.txt standard is revolutionizing API documentation for AI agents like Gemini 3 and simplifying developer workflows.
Platform Engineering with Docker: Automating the Container Lifecycle
Move beyond manual Dockerfiles and learn how to build internal developer platforms to automate your container lifecycles.
From Notebook to Production: A Developer's First Look at MLOps for AI
Learn the fundamentals of MLOps for AI applications, moving from Jupyter Notebooks to robust, production-ready deployments.
Designing Agent Skills for DevOps and Platform Teams
A practical design approach for Agent Skills in DevOps contexts, focusing on reducing operational errors, enforcing standardized procedures, and maintaining strong security controls.