Janus at the Doorway: Blue-Green, Canaries and Feature Flags
Janus, Roman god of doorways, had two faces — one on the past, one on the future. A safe release needs both: the new version in view, and the old one close enough to step back into.
Janus, Roman god of doorways, had two faces — one on the past, one on the future. A safe release needs both: the new version in view, and the old one close enough to step back into.