Spotlight

Zero-Downtime Kubernetes Ingress Controllers on GCP

Kai Burjack

This case study explains why Nginx Ingress Controller causes TCP connection timeouts on GKE during pod termination.

It traces:

  • kube-proxy health check delays (~5s),
  • GCP LB probe intervals (24s),
  • and KEP-1669 terminating endpoint behavior

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Tools and utilities

  • SlimFaas

    SlimFaas is a lightweight Function-as-a-Service platform for Kubernetes that supports:

  • ing-switch

    ing-switch scans your cluster, maps 50+ NGINX annotations for compatibility, and generates ready-to-apply manifests for Traefik or Gateway API with a React web UI dashboard for the full scan → analyze → migrate → validate lifecycle.

  • Telescope

    Telescope is a web based log viewer that lets teams explore Kubernetes, Docker, ClickHouse, and StarRocks logs through one interface with filtering, graphs, RBAC, and GitHub authentication.

  • KubeUser

    KubeUser is a Kubernetes native operator that manages users, certificates, RBAC, and kubeconfigs declaratively for small teams that want simple cluster access without a full IAM or OIDC stack.

  • Skiperator: Kubernetes operator for simpler application platform setup

    Skiperator is a Kubernetes operator that lets developers deploy applications through a simple Application resource while the platform handles secure and reliable setup around it.

More projects →

Events starting soon

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SaaS with Kubernetes Operators and Garbage Collection
SaaS with Kubernetes Operators and Garbage Collection

A single Kubernetes CRD for every service request turns small changes into full-platform reconciliations.

Alexander Held, former platform engineer at Mercedes-Benz Tech Innovation, describes a production refactor from a 2,000-line CRD to purpose-built resources and controllers. He shows how teams can model business workflows as Kubernetes APIs and then use owner references, finalizers, and events to keep platform operations predictable.

You will learn:

  • Why monolithic CRDs create performance and troubleshooting problems
  • How controllers turn database provisioning and backups into reconciliation loops
  • How finalizers clean up external resources such as S3 backups
  • Why Kubernetes events make platform workflows easier to debug

Learn from production

More case studies →

Matching jobs

    • Data Engineer with Kunai, part of the PwC Network

    • Salary: $54K to $297.88K a year

    • Location: based in the office in New York, NY, USA

    • Tech stack: Kubernetes, AWS, Azure, GCP, Docker, Python, SQL, Snowflake

    • DevOps Engineer with Built Technologies

    • Salary: $175K to $235K a year

    • Location: remote from

    • Tech stack: Kubernetes, AWS, Helm, Docker, Go, Python, CDK, Cloudformation, Pulumi, Terraform

    • DevOps Engineer with FREENOW

    • Salary: US$135K to US$275K a year

    • Location: based in the office in Hamburg, DE

    • Tech stack: Kubernetes, AWS, Docker, Python, Terraform, Ansible

    • DevOps Engineer with Gong.io

    • Salary: US$116.1K to US$242K a year

    • Location: based in the office in Dublin, IE

    • Tech stack: Kubernetes, AWS, ArgoCD, Java, Cloudformation, Pulumi, Terraform, CircleCI, GitHub Actions, Jenkins

    • DevOps Engineer with IONOS EN

    • Salary: US$135K to US$275K a year

    • Location: based in the office (and remote from home) in Berlin, DE

    • Tech stack: Kubernetes, AWS, Helm, ArgoCD, Docker, Python, Shell, Terraform, Jenkins, Ansible

Discover more Kubernetes jobs on Kube Careers →

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Call for Papers closing soon

  1. 1

    days

    Tech Fuse Des Moines 2026

    The Call For Paper is open until 30 April 2026 at GMT-4. More info →
    • Location: Des Moines, IA, USA

    • In-person conference organized by Tech Fuse DSM.

    • The conference starts on the 16 October 2026.

    • Apply here
  2. 1

    days

    Devopsdays Graz

    The Call For Paper is open until 30 April 2026 at GMT-4. More info →
    • Location: Graz, AT

    • In-person conference organized by Devopsdays.

    • The conference starts on the 4 September 2026.

    • Apply here
  3. 1

    days

    bit summit 2026

    The Call For Paper is open until 30 April 2026 at GMT-4. More info →
    • Location: Hamburg, DE

    • In-person conference organized by bit summit.

    • The conference starts on the 23 September 2026.

    • Apply here
  4. 1

    days

    IT-Tage

    The Call For Paper is open until 30 April 2026 at GMT-4. More info →
    • Location: Frankfurt, DE

    • In-person conference organized by Alkmene Verlag.

    • The conference starts on the 10 December 2026.

    • Apply here
  5. 2

    days

    SREday NYC 2026

    The Call For Paper is open until 1 May 2026 at GMT-4. More info →
    • Location: New York, NY, USA

    • In-person conference organized by SREday.

    • The conference starts on the 2 June 2026.

    • Apply here
  6. 2

    days

    SpiceWorld 2026

    The Call For Paper is open until 1 May 2026 at GMT-4. More info →
    • Location: Austin, TX, USA

    • In-person conference organized by SpiceWorks.

    • The conference starts on the 13 November 2026.

    • Apply here
  7. 4

    days

    KubeCon China 2026

    The Call For Paper is open until 3 May 2026 at GMT-4. More info →
    • Location: Shanghai, CN

    • In-person conference organized by CNCF.

    • The conference starts on the 9 September 2026.

    • Apply here

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