Containers
What Is Docker? Containers Explained Simply
A practical introduction to Docker covering containers vs VMs, Dockerfiles, docker-compose, volumes, networking, and Docker Desktop licensing alternatives.
12 min read·
#Docker
35 articles
DevOps
Best Free DevOps Tools for Startups (2026)
A curated list of free DevOps tools for startups and developers covering CI/CD, monitoring, IaC, containers, secrets management, and logging with real free tier limits and upgrade pricing.
11 min read·
DevOps
What Is Kubernetes? A Simple Guide for Beginners
A beginner-friendly explanation of Kubernetes concepts and architecture covering Pods, Deployments, Services, Namespaces, kubectl basics, and managed K8s pricing on EKS, GKE, and AKS.
13 min read·
Containers
Docker vs Podman (2026): Which Container Engine Should You Use?
Docker runs a persistent daemon; Podman is daemonless with rootless-by-default. Practical benchmarks, Docker Compose compatibility, Desktop apps compared, SELinux, FIPS compliance, and migration guide.
13 min read·
Containers
Container Runtime Comparison: Docker vs containerd vs Podman vs CRI-O Benchmarks
Benchmark comparison of four container runtimes -- Docker, containerd, Podman, and CRI-O -- covering cold start latency, memory footprint, container density, image pull speed, and CPU overhead with practical guidance on when to use each.
14 min read·
DevOps
Kubernetes vs Docker Swarm: Which One Should You Use?
Container orchestration is critical for scaling applications, but choosing between Kubernetes and Docker Swarm can be challenging. This article compares both platforms in terms of complexity, scalability, performance, and cost.
12 min read·
Cloud
VMs vs Containers vs Serverless: The Complete Compute Model Comparison
A comprehensive comparison of virtual machines, containers, and serverless computing with cold start benchmarks, real-world cost analysis for four workloads, and a five-question decision framework.
13 min read·
Containers
Container Image Size: From 1.2 GB to 80 MB (Real Recipes)
Cut Docker image size 80-90%. Multi-stage builds, distroless, scratch — with copy-paste recipes for Node, Go, Python, Java, Rust, and .NET.
10 min read·
Containers
Docker Storage Drivers: overlay2 vs btrfs vs zfs Performance
overlay2 is the right default for 95% of workloads. btrfs wins on snapshot-heavy flows. zfs wins on multi-tenant dedup. Real fio benchmarks and migration paths.
10 min read·