虽然 Docker 推动了容器的流行,但生态系统已经增长——包括 standards (OCI)、替代运行时(containerd、CRI-O)、替代工具(Podman、Buildah)和编排。理解更广泛的生态系统和标准可以明确容器比 Docker 产品更大。
容器是标准化的 (OCI)
The OPEN CONTAINER INITIATIVE (OCI) standardizes container IMAGES and RUNTIMES:
→ OCI image format & runtime spec → images/containers are PORTABLE across tools
→ Docker images are OCI images; many tools can build/run them interchangeably
→ "Containers" are an open standard, not locked to Docker the company/product.
