Tag: #container-runtime

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• Container Runtimes 2026 Deep Dive - containerd, runc, Podman, CRI-O, Kata, gVisor, Firecracker, Wasm

  A full-stack tour of production container runtimes as of May 2026. We cover containerd (de facto Kubernetes CRI), low-level OCI runtimes runc, crun, and youki, the alternative CRI CRI-O, the rootless/daemonless trio Podm

  2026-05-16 · 16 min read #container-runtime#containerd#runc#podman#cri-o

• Container Runtime Alternatives 2026 Deep Dive - containerd, CRI-O, Podman, runc, gVisor, Kata Containers, youki, WasmEdge, and Firecracker

  The container runtime landscape in 2026 is no longer Docker-centric. Kubernetes removed dockershim in 1.24, and containerd 2.0 and CRI-O 1.31 have become the cluster default. On developer workstations Podman 5 and Docker

  2026-05-16 · 18 min read #english#container-runtime#containerd#cri-o#podman

• [containerd] Networking and Storage

  Analyzes containerd networking and storage internals. Covers CNI integration, network namespaces, volume mounts, device access (GPU), SELinux/AppArmor at the source code level.

  2026-03-20 · 19 min read #containerd#container-runtime#open-source-internals

• [containerd] Container Lifecycle Management

  Analyzes containerd container lifecycle management. Covers container creation, OCI runtime spec, Task execution, shim lifecycle, checkpoint/restore, and runtime classes (runc, kata, gVisor, Wasm) at the source code level

  2026-03-20 · 15 min read #containerd#container-runtime#open-source-internals

• [containerd] CRI Implementation: Kubernetes Runtime Integration

  Analyzes containerd CRI implementation internals. Covers CRI gRPC service, Pod Sandbox, container spec translation, streaming (exec/attach/port-forward), RuntimeClass, and NRI (Node Resource Interface) at the source code

  2026-03-20 · 18 min read #containerd#container-runtime#open-source-internals

• containerd Architecture Internals

  Analyzes the architecture of containerd, the industry-standard container runtime. Covers gRPC API, plugin system (services, snapshotter, runtime), plugin registration/initialization/dependency resolution, CRI implementat

  2026-03-20 · 3 min read #containerd#container-runtime#open-source-internals

• [containerd] Image Management: OCI Images and Snapshots

  Analyzes the internals of containerd image management. Covers OCI image spec, Content Store, Snapshotter (overlayfs, native, devmapper), image pull flow, and garbage collection at the source code level.

  2026-03-20 · 16 min read #containerd#container-runtime#open-source-internals

• Running WebAssembly Workloads on Kubernetes: The Complete Guide to SpinKube, containerd Wasm Shim, and runwasi

  A comprehensive guide to running WebAssembly workloads natively on Kubernetes. Covers everything from the Wasm binary format and WASI fundamentals to the containerd Wasm shim, runwasi, SpinKube architecture, Fermyon Spin

  2026-03-09 · 14 min read #kubernetes#webassembly#wasi#spinkube#container-runtime