valid-pod-selector

Rec

Enabled in recommended preset.

Require deployment selector to equal or be a subset of the pod template labels.

Examples

✅ Correct manifest for this rule:

new Deployment({
  spec: {
    selector: { matchLabels: { app: "nginx" } },
    template: {
      metadata: { labels: { app: "nginx" } }
    }
  }
});

new Deployment({
  spec: {
    selector: { matchLabels: { app: "nginx" } },
    template: {
      metadata: { labels: { app: "nginx", tier: "backend" } }
    }
  }
});

❌ Incorrect manifest for this rule:

new Deployment({
  spec: {
    selector: { matchLabels: { app: "nginx" } },
    template: {
      metadata: { labels: { app: "mysql" } }
    }
  }
});