Deployment Strategies
How you put new code into production is a design decision with real consequences for risk and downtime. Deploy it all at once and a bad release hits everyone; roll it out gradually and you can catch problems while they're small. Blue-green, canary, rolling, and feature flags are the core techniques — each trading complexity for safety in a different way. This post covers when and why to use each.
How you put new code into production is a design decision with real consequences for risk and downtime. Deploy it all at once and a bad release hits everyone; roll it out gradually and you catch problems while they're small. Blue-green, canary, rolling, and feature flags are the core techniques — each trading complexity for safety differently. When and why to use each.