====== CodeDeploy ======

**What it is:** A managed deployment service that automates app deployments to EC2, on-prem servers, or Lambda.

**What it’s for:**
  * Deploy new versions safely and consistently.
  * Support deployment strategies to reduce downtime.

**Key ideas:**
  * Can do rolling deployments and other strategies.
  * Uses deployment groups and hooks for lifecycle events.

**Exam cues:**
  * “automate deployment to EC2 fleet” → CodeDeploy.
  * “reduce downtime during deployments” → deployment strategies.

**Hard words:**
  * *deployment* /dɪˈplɔɪmənt/: triển khai
  * *strategy* /ˈstrætədʒi/: chiến lược
  * *downtime* /ˈdaʊntaɪm/: thời gian gián đoạn
  * *lifecycle* /ˈlaɪfsaɪkl/: vòng đời