[Solved] If an init container in a Pod fails, what happens to the Pod's main container? — Ans: The main container does not start until the init container succeeds | Docker

Docker - Production Patterns

If an init container in a Pod fails, what happens to the Pod's main container?

AThe main container starts immediately regardless of init container status

BThe Pod restarts the main container but not the init container

CThe main container does not start until the init container succeeds

DThe Pod deletes the init container and continues

Step-by-Step Solution

Solution:

Step 1: Recall init container failure behavior
If an init container fails, the Pod waits and retries it until success or timeout.
Step 2: Understand main container start condition
Main container only starts after all init containers succeed.
Final Answer:
The main container does not start until the init container succeeds -> Option C
Quick Check:
Init container failure blocks main container start [OK]

Quick Trick: Main container waits for successful init container completion [OK]

Common Mistakes:

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If an init container in a Pod fails, what happens to the Pod's main container?