Results for “cert-manager”

Fix cert-manager DNS01 ACME challenges stuck in "pending" state with "DNS record not yet propagated" inside GKE private clusters, even when TXT records exist in Cloudflare DNS. Use when: (1) cert-manager challenges show "pending" for hours with propagation check failures, (2) dig from outside cluster shows correct TXT records but cert-manager can't verify them, (3) Using Cloudflare DNS01 solver in a GKE private cluster with Cloud NAT, (4) Google Cloud intercepts 8.8.8.8 DNS queries returning NXDOMAIN for Cloudflare-managed records, (5) Even --dns01-recursive-nameservers with 1.1.1.1 doesn't fix the propagation check despite TXT records being verifiable from busybox pods in the same namespace. Covers the full debugging flow and certbot manual workaround.

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cert-manager for automatic TLS certificate management in Kubernetes. Use when the user needs to issue, renew, and manage TLS certificates from Let's Encrypt or other CAs, configure ClusterIssuers, and secure Ingress resources.

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Configure Kubernetes Ingress networking with NGINX Ingress Controller, cert-manager for automated TLS certificate management, path-based routing, rate limiting, and multi-domain hosting with SSL termination and load balancing. Use when exposing multiple Kubernetes services via a single load balancer, implementing path-based or host-based routing, automating TLS certificate issuance with Let's Encrypt, or setting up blue-green and canary deployments with traffic splitting.

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Use when working with Cert Manager — cert-manager certificate lifecycle management. Covers certificate issuance, issuer configuration, ACME challenges, certificate renewal, troubleshooting failed issuance, and trust management. Use when managing TLS certificates in Kubernetes, debugging issuance failures, configuring ACME providers, or monitoring certificate expiration.

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Create and review Kubernetes configuration files with examples for health checks, access permissions, resource limits, and automatic scaling. Use the included kubectl commands to investigate container crashes, memory shortages, and deployment problems.

• Create Kubernetes deployment configuration
• Review health checks and resource limits
• Investigate repeatedly crashing containers

Kubernetes certificate management with cert-manager. Use when managing TLS certificates, configuring issuers, or troubleshooting certificate issues.

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Diagnóstico e operação de Kubernetes — pods, deployments, ingress, HPA, PVC, StorageClass, NetworkPolicy, Secrets, Helm, ArgoCD, cert-manager. Use quando o usuário disser "kubernetes", "k8s", "pod", "deployment", "ingress", "CrashLoopBackOff", "não sobe", "escalar", "helm", "argocd". Leitura livre; apply, scale, delete passam pelo portão.

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