SOLID Principles for Cloud Native Containers
summary
A concise set of container rules: run one reason to change per pod using patterns like the sidecar, bake every dependency into the image so nothing is mounted at runtime, and maintain image immutability by deploying the same image across environments. Provide readiness and liveness checks and expose metrics/tracing so platforms can manage restarts. Listen for SIGTERM and shut down within Kubernetesʼ default 30 seconds. Declare CPU and memory limits so the scheduler can place and evict pods predictably.
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