CloudWatch Logs
Metrics and Alarms
Dashboards
Logging and Incident Triage
Practice
Assignment
Cloud Track
Under construction
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Implementation plan:
- What is observability — understanding what's happening inside your systems
- Logs vs metrics vs traces: what each tells you (the three pillars)
- CloudWatch Logs: log groups, log streams
- Application logs: how container logs (stdout/stderr) flow to CloudWatch via ECS
- Log retention: setting retention policies, cost implications
- Viewing and searching logs in the Console
- CloudWatch Logs Insights: basic query syntax for searching logs
- Practice: deploy an app on ECS, view its logs in CloudWatch, write a Logs Insights query
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