All blogs
May 27, 2026
6 min read
GreenNode May Digest: PostgreSQL Cluster on the Portal, a major ACL upgrade, and more flexible LB Autoscale
This May, GreenNode introduced new infrastructure enhancements, from PostgreSQL Cluster for production workloads to upgraded ACL and easier LB Autoscale configuration.
May 26, 2026
8 min read
From a Tech Stack Email to a Working Playground: A Mini Order System
A hands-on guide to learning Go Gin, Keycloak, Temporal, MySQL, MongoDB, and gRPC by building and running a mini Order System with auth, databases, workflow, and internal service calls.
May 24, 2026
8 min read
Kubernetes User Authentication with OIDC Part 2: Using Self-Hosted Authentik
Learn how to use self-hosted Authentik for Kubernetes OIDC authentication, including kube-apiserver setup, kubelogin configuration, and RBAC by group.
May 22, 2026
8 min read
Best AI Compute for Inference Without Long-Term Contracts in 2026
Explore contract-free AI inference options in 2026, from on-demand GPU to MaaS, and learn how to choose the right provider for your region.
May 20, 2026
8 min read
Object Storage for Big Data & AI: Architecture, Cost Optimization & Enterprise Deployment Guide 2026
Discover how object storage powers enterprise AI pipelines at scale — from data lake architecture and S3 API integration to hidden egress costs and Vietnam data sovereignty compliance. Learn why 1,000+ enterprises choose GreenNode vStorage over AWS S3 for Big Data and AI workloads in 2026.
May 13, 2026
6 min read
Best Cloud Migration Providers in Vietnam for Enterprise Growth
Looking for a cloud migration partner in Vietnam? Compare five providers across infrastructure, compliance, support, and AI capabilities.
May 12, 2026
15 min read
OpenClaw Multi-Agent Workflows Part 2: Native A2A, Limitations, and What's Next
Explore OpenClaw’s native A2A model through session tools, production limitations, security risks, and the orchestration paths needed for reliable multi-agent deployment.
May 12, 2026
10 min read
How Patroni Delivers High Availability for PostgreSQL on Kubernetes
Learn how Patroni delivers PostgreSQL high availability on Kubernetes through leader locks, automatic failover, resourceVersion, and failsafe mode.
May 11, 2026
6 min read
Affordable Cloud GPU Services for AI Startups in 2026: Cost, Scale, and Performance
Cheap GPUs are not enough. See why regional infrastructure, low latency, data sovereignty, and local support matter more over time.














