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How to enable verbose logging?

This article could be useful for debugging issues with the help of additional debug log level enabled in the agent logs.

Testcontainers Cloud Desktop usage:

Add a property into a per-user configuration in the ~/.testcontainers.properties file:

cloud.logs.verbose = true

You would have to Exit, and then relaunch the client to apply the configuration change.

Agent CLI usage:

Add the flag to the CLI invocation:


the same result could be achieved with a help of the environmental variable


Agent CLI will also respect the property value from the Testcontainers Cloud Desktop usage section.

How to verify if it was enabled:

If everything is correct, you will see in the log a similar line very early in the log flow:

2022-11-07T18:47:56.964Z --- DBG Verbose output enabled