Kubernetes - Pods
You want to ensure a database service is ready before your app container starts. How can you use an init container to achieve this?
You want to ensure a database service is ready before your app container starts. How can you use an init container to achieve this?
hard📝 Workflow Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand init container role for readiness
Init containers run before app containers and can block startup until conditions are met.Step 2: Use init container to check database readiness
Running a script that waits for database readiness and exits successfully ensures app starts only after DB is ready.Final Answer:
Use an init container that runs a script to check database readiness and exits only when ready -> Option CQuick Check:
Init container for readiness check = Use an init container that runs a script to check database readiness and exits only when ready [OK]
Quick Trick: Init containers can wait for dependencies before app starts [OK]
Common Mistakes:
- Starting app before database is ready
- Using sidecar instead of init container for readiness
- Relying on app container retries only
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