{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-canary-deployment",
  "id": "canary-deployment",
  "kind": "pattern",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-correctness-core",
    "json": "https://banes-lab.com/json/records/layer/correctness-core",
    "label": "Correctness Core",
    "markdown": "https://banes-lab.com/records/layer/correctness-core.md",
    "ref": "layer:correctness-core"
  },
  "name": "Canary Deployment",
  "ref": "architecture:canary-deployment",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-traffic-splitting",
          "json": "https://banes-lab.com/json/records/lexicon/traffic-splitting",
          "label": "Traffic Splitting",
          "markdown": "https://banes-lab.com/records/lexicon/traffic-splitting.md",
          "ref": "lexicon:traffic-splitting"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-observability",
          "json": "https://banes-lab.com/json/records/architecture/observability",
          "label": "Observability",
          "markdown": "https://banes-lab.com/records/architecture/observability.md",
          "ref": "architecture:observability"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-progressive-delivery",
          "json": "https://banes-lab.com/json/records/lexicon/progressive-delivery",
          "label": "Progressive Delivery",
          "markdown": "https://banes-lab.com/records/lexicon/progressive-delivery.md",
          "ref": "lexicon:progressive-delivery"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-controlled-exposure",
          "json": "https://banes-lab.com/json/records/lexicon/controlled-exposure",
          "label": "Controlled Exposure",
          "markdown": "https://banes-lab.com/records/lexicon/controlled-exposure.md",
          "ref": "lexicon:controlled-exposure"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-big-bang-release",
          "json": "https://banes-lab.com/json/records/architecture/big-bang-release",
          "label": "Big-Bang Release",
          "markdown": "https://banes-lab.com/records/architecture/big-bang-release.md",
          "ref": "architecture:big-bang-release"
        }
      ],
      "relation": "conflicts-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-rollout-complexity",
          "json": "https://banes-lab.com/json/records/lexicon/rollout-complexity",
          "label": "Rollout Complexity",
          "markdown": "https://banes-lab.com/records/lexicon/rollout-complexity.md",
          "ref": "lexicon:rollout-complexity"
        }
      ],
      "relation": "tensions-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#tension-canary-deployment-rollout-complexity",
          "json": "https://banes-lab.com/json/records/tension/canary-deployment-rollout-complexity",
          "label": "Canary Deployment / Rollout Complexity",
          "markdown": "https://banes-lab.com/records/tension/canary-deployment-rollout-complexity.md",
          "ref": "tension:canary-deployment-rollout-complexity"
        }
      ],
      "relation": "tensions"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-big-bang-release",
          "json": "https://banes-lab.com/json/records/architecture/big-bang-release",
          "label": "Big-Bang Release",
          "markdown": "https://banes-lab.com/records/architecture/big-bang-release.md",
          "ref": "architecture:big-bang-release"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-guardrails",
          "json": "https://banes-lab.com/json/records/lexicon/guardrails",
          "label": "Guardrails",
          "markdown": "https://banes-lab.com/records/lexicon/guardrails.md",
          "ref": "lexicon:guardrails"
        }
      ],
      "relation": "refactored-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#vocabulary-severity-contextual",
          "json": "https://banes-lab.com/json/records/vocabulary/severity-contextual",
          "label": "contextual",
          "markdown": "https://banes-lab.com/records/vocabulary/severity-contextual.md",
          "ref": "vocabulary:severity-contextual"
        }
      ],
      "relation": "severity"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-self-healing-recovery-deployment-safety",
          "json": "https://banes-lab.com/json/records/architecture-category/self-healing-recovery-deployment-safety",
          "label": "Self-Healing / Recovery / Deployment Safety",
          "markdown": "https://banes-lab.com/records/architecture-category/self-healing-recovery-deployment-safety.md",
          "ref": "architecture-category:self-healing-recovery-deployment-safety"
        }
      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-anti-patterns",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-anti-patterns",
          "label": "Anti-patterns",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md",
          "ref": "chapter:/ontology#architecture-category-anti-patterns"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-observability-auditability-traceability",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-observability-auditability-traceability",
          "label": "Observability / Auditability / Traceability",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-observability-auditability-traceability.md",
          "ref": "chapter:/ontology#architecture-category-observability-auditability-traceability"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-model-architecture",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-model-architecture",
          "label": "Model Architecture",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-model-architecture.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-model-architecture"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-self-healing-recovery-deployment-safety",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-self-healing-recovery-deployment-safety",
          "label": "Self-Healing / Recovery / Deployment Safety",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-self-healing-recovery-deployment-safety.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-self-healing-recovery-deployment-safety"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-vocabulary-severity",
          "json": "https://banes-lab.com/json/ontology/schema/the-vocabulary-severity",
          "label": "Severity levels",
          "markdown": "https://banes-lab.com/ontology/schema/the-vocabulary-severity.md",
          "ref": "chapter:/ontology/schema#the-vocabulary-severity"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-resolutions",
          "json": "https://banes-lab.com/json/ontology/schema/the-resolutions",
          "label": "The resolutions",
          "markdown": "https://banes-lab.com/ontology/schema/the-resolutions.md",
          "ref": "chapter:/ontology/schema#the-resolutions"
        }
      ],
      "relation": "linked-from"
    }
  ],
  "summary": "A design pattern that sends a small share of traffic to a new release and widens the share only while its error and latency stay within limits.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-chaos-engineering",
      "json": "https://banes-lab.com/json/records/architecture/chaos-engineering",
      "label": "Chaos Engineering",
      "markdown": "https://banes-lab.com/records/architecture/chaos-engineering.md",
      "ref": "architecture:chaos-engineering"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-blue-green-deployment",
      "json": "https://banes-lab.com/json/records/architecture/blue-green-deployment",
      "label": "Blue-Green Deployment",
      "markdown": "https://banes-lab.com/records/architecture/blue-green-deployment.md",
      "ref": "architecture:blue-green-deployment"
    }
  },
  "up": {
    "href": null,
    "json": "https://banes-lab.com/json/api/records/architecture",
    "label": "Architecture principles",
    "markdown": "https://banes-lab.com/api/records/architecture.md",
    "ref": "api:records/architecture"
  },
  "aliases": [
    "Canary Release"
  ],
  "exemplar": {
    "after": "await router.route(\"foo-v2\", 5);\nawait verifyCanary({ errorRate: 0.01, latencyP95Ms: 200 });\nawait router.progressiveShift(\"foo-v2\", [25, 50, 100]);",
    "before": "await router.route(\"foo-v2\", 100);",
    "lang": "ts",
    "medium": "code"
  },
  "formedBy": null,
  "scope": [
    "deployment",
    "release"
  ],
  "severity": "contextual"
}