When is the most dangerous moment in a running service? Traffic spike? Database failure? Statistics consistently show the answer across Google's SRE book and Microsoft Azure DevOps retrospectives is "immediately after deployment." Over 70% of incidents occur within minutes to hours after a new version enters production. The reason is simple — the fact that deployment is complete means "a change that was invisible until now has suddenly been exposed to users."
CodeDeploy is a tool that makes that dangerous moment safe