You deployed a Cloud Run service but get an error: Container failed to start. What is a likely cause?

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GCP - Cloud Run

You deployed a Cloud Run service but get an error: Container failed to start. What is a likely cause?

AThe container image is too large to deploy.

BYou forgot to set the CPU limit in the deployment.

CThe container image does not have a listening port configured.

DCloud Run requires a VM instance to be created first.

Step-by-Step Solution

Solution:

Step 1: Check container requirements for Cloud Run
Cloud Run requires the container to listen on a port for incoming requests.
Step 2: Evaluate other options
CPU limits are optional, Cloud Run is serverless (no VM setup), and image size usually causes warnings, not start failure.
Final Answer:
The container image does not have a listening port configured. -> Option C
Quick Check:
Listening port missing = start failure [OK]

Quick Trick: Containers must listen on a port for Cloud Run [OK]

Common Mistakes:

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