{"adoption": {"forks": 357, "observed_at": "2026-08-28T04:06:13.235339+00:00", "stars": 2095}, "canonical_url": "https://ross.abutalabs.com/products/sealer", "card": {"archived": false, "artifact_type": "cli-tool", "description": "Build, Share and Run Both Your Kubernetes Cluster and Distributed Applications  (Project under CNCF)", "domain": ["cloud-computing", "microservices", "self-hosted"], "enriched": true, "function": ["deployment", "container-runtime", "infrastructure-as-code", "cli"], "health_score": 37, "homepage": "http://sealer.cool", "language": "Go", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["sealerio/sealer"], "name": "sealerio/sealer", "platform": ["cli", "go", "cross-platform"], "pushed_at": "2025-06-03T08:29:24+00:00", "repo": "sealerio/sealer", "stars": 2095, "tags": ["kubernetes", "clusterimage", "kubefile", "clusterfile", "application-delivery", "cncf", "air-gapped", "installer", "containers", "devops", "linux"], "topics": ["kubernetes", "docker", "installer", "golang", "cloud-native", "isv", "k8s", "kubernetes-deployment", "registry", "delivery-service", "distributed-systems", "operations", "package", "clusterimage"], "urls": [], "use_cases": ["package a kubernetes cluster and apps into a single image", "deploy kubernetes in an air-gapped environment", "deliver distributed applications as one artifact", "install a k8s cluster offline in minutes", "scale or upgrade a kubernetes cluster declaratively", "share a full cluster image through a registry"], "what_it_is": "Sealer is a CNCF CLI tool that packages a Kubernetes cluster together with all application dependencies (container images, YAML manifests, Helm charts) into a single ClusterImage built from a Kubefile. It then runs, shares, scales, and upgrades those clusters via a Clusterfile, similar to how Docker handles container images.", "when_to_avoid": ["you only need plain container image builds (use Docker/BuildKit)", "you manage clusters with existing tools like kubeadm, kops, or Terraform and don't need image packaging", "you need managed Kubernetes rather than self-installed clusters"], "when_to_choose": []}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/sealer", "repo": "sealerio/sealer", "role": "main", "score": 34}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:13.235339+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:55:24.463720+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "417f5be3a74097ec93d260fc5261ff72bdc3705ff52d2b34daac06f1f45ea107", "fetched_at": "2026-08-28T04:06:13.235339+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sealerio/sealer"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 24, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1952, "days_push": 456, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 34, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}