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01 Introduction SRE 02 Reliability Reality Failures are not exceptions — they are normal.
What is an Incident An incident is any event that: 1.
Postmortem Incident Lifecycle 05 Detection: Alerting Philosophy 06 07 Questions to ask: is alert real?
Node A machine participating in the cluster.
Service A declarative description of application state: 1.
A task/container is the actual runtime instance.
2377 is the control plane port used by Swarm 2.
Verify from the manager docker node ls 1.
-p 8080:80 exposes the service externally 4.
Update service image docker service update --image nginx:1.