18 posts · page 1 of 1
Compare Docker Swarm and Kubernetes for container orchestration. Learn the architecture, setup, scaling, and networking of both platforms with practical examples.
Compare Docker and Podman on architecture, security, compatibility, and developer experience. Learn which container runtime fits your workflow in 2026.
Reduce Docker image size and build time with multi-stage builds, layer caching, distroless bases, and practical Dockerfile patterns.
Integrate security scanning into your CI/CD pipeline with practical examples covering SAST, SCA, container scanning, and secrets detection.
Learn how to use Linux cgroups to limit CPU, memory, and I/O for processes, and understand their role in containers.
Understand Linux namespaces and how they provide process isolation for containers, with hands-on examples using unshare.
A practical comparison of EKS, ECS, and Fargate covering control planes, pricing models, and when to choose each option for production container workloads.
A practical comparison of the C++ standard containers: vector, list, deque, map, unordered_map, set, and friends, with guidance on which to pick when.
How Docker multi-stage builds work, why they shrink images dramatically, and patterns for Python, Node, and Go services that need a clean runtime layer.
How Pods, ReplicaSets, and Deployments relate, why you almost never create Pods directly, and how rolling updates and rollbacks actually happen.
Healthchecks tell Docker if a container is alive. Restart policies tell it what to do when it is not. Together they keep your services running.
Learn how Docker's layer cache really works and the ordering tricks that turn a 5-minute build into a 20-second one without sacrificing correctness.
A clear guide to Docker's three most common network drivers, when to pick each one, and how packets actually flow between containers in real deployments.
Harden Docker images and runtimes: non-root users, minimal bases, secret handling, capability drops, and image signing - without making developers miserable.
The practical differences between Docker volumes and bind mounts, when to pick each, and how to avoid the permission and performance traps.
A practical introduction to Linux control groups. Learn what cgroups do, how v1 and v2 differ, and how Docker and Kubernetes use them to cap CPU and memory.
Hands-on guide to Linux network namespaces. Create isolated network stacks, connect them with veth pairs, and understand how containers get networking.
A clear, no-hype introduction to Docker — what containers actually are, how they differ from virtual machines, and the vocabulary you need before installing anything.