Which of the following is the correct syntax to define a Kubernetes Deployment with a rolling update strategy?

easy📝 Configuration Q12 of 15

Kubernetes - Advanced Deployment Patterns

AapiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n type: RollingUpdate\n replicas: 3

BapiVersion: v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n type: Recreate\n replicas: 3

CapiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n rollingUpdate:\n maxSurge: 1\n maxUnavailable: 0\n replicas: 3

DapiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n replicas: 3

Step-by-Step Solution

Solution:

Step 1: Identify correct apiVersion and kind
Deployments use apiVersion 'apps/v1' and kind 'Deployment'. Options A, C, and D use this correctly.
Step 2: Check strategy type for rolling update
RollingUpdate strategy requires 'strategy.type: RollingUpdate' as in apiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n type: RollingUpdate\n replicas: 3. apiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n rollingUpdate:\n maxSurge: 1\n maxUnavailable: 0\n replicas: 3 misses 'type' field, so it's incomplete.
Final Answer:
apiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n type: RollingUpdate\n replicas: 3 -> Option A
Quick Check:
RollingUpdate strategy syntax = apiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: myapp\nspec:\n strategy:\n type: RollingUpdate\n replicas: 3 [OK]

Quick Trick: Look for 'strategy.type: RollingUpdate' in spec [OK]

Common Mistakes:

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