Container Orchestration Patterns: Beyond 'Just Deploy It'
Running one container is easy. Running hundreds in production, reliably, at scale? That’s where patterns emerge. These aren’t Kubernetes-specific (though that’s where you’ll see them most). They’re fundamental approaches to composing containers into systems that actually work. The Sidecar Pattern A sidecar is a helper container that runs alongside your main application container, sharing the same pod/network namespace. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 apiVersion: v1 kind: Pod metadata: name: web-app spec: containers: # Main application - name: app image: myapp:1.0 ports: - containerPort: 8080 # Sidecar: log shipper - name: log-shipper image: fluentd:latest volumeMounts: - name: logs mountPath: /var/log/app volumes: - name: logs emptyDir: {} Common sidecar use cases: ...