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Cloud Journal

Cloud Journal

Practical, provider-accurate writing on cloud infrastructure, developer workflows, security fundamentals and the decisions behind choosing a cloud.

All topics AI Infrastructure Cloud Fundamentals Cloud Migration Developer Workflows DevOps & Automation Infrastructure & Networking Provider Guides Security Fundamentals Startups & Business Storage & Data
Traffic switching between two identical production environments during a blue-green release
DevOps & Automation

Blue-Green Deployments on Cloud Infrastructure

Blue-green deployment separates installing a release from exposing it. This guide covers the four places the traffic switch can live, why the shared database forces additive migrations, how to verify the idle environment, and what the pattern costs.

6 min read
Traffic shifting gradually between two cloud estates during a provider migration
Cloud Migration

Moving Between Cloud Providers Without Downtime

A low downtime provider move always has the same shape: build the destination fully, run both estates in parallel, replicate…

6 min read