Harry Tang

Solutions Architect & DevOps Specialist

I am Harry Tang, an IT Solutions Architect & DevOps Specialist. I use microservices architecture to design complex, scalable systems and applications. By applying DevOps culture, I bring CI/CD to a new automated level with highly secure and efficient delivery.

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Harry's workstation
Harry plays badminton
Harry is a K8s engineer
Harry loves Xiangqi
Harry's travelling

Upgrading high-availability Stalwart cluster

Step-by-step guide to upgrading your high-availability Stalwart mail server cluster to version 0.15.5 using Docker Compose while maintaining system uptime.

Backup Longhorn volumes to S3

Learn to back up Kubernetes Longhorn volumes to AWS S3. This step-by-step guide covers S3 storage configuration, Sealed Secrets, and recurring backup jobs.

Work

  1. Mirasys
    Role
    Solutions Architect
    Company
    Mirasys Oy | Finland
    Date
  2. Finland
    Role
    Yksityinen elinkeinonharjoittaja
    Company
    Toiminimi | Finland
    Date
  3. ParkMan
    Role
    Senior Backend Developer
    Company
    ParkMan | Finland
    Date
  4. International Automobile Association
    Role
    Senior Consultant
    Company
    IAA Inc | Remote
    Date
  5. Grey Neuron
    Role
    CTO
    Company
    Grey Neuron | Vietnam
    Date