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python_template_launcher.go:37: Failed to initialize fluentd logger

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Description

priority: p2 samples triage me type: bug

In which file did you encounter the issue?

python-docs-samples/dataflow/flex-templates/pipeline_with_dependencies

Did you change the file? If so, how?

Yes, used a different base image in docker file

Describe the issue

Jon start but I got following error:
2025/03/06 17:38:45.885541 python_template_launcher.go:37: Failed to initialize fluentd logger: failed to create log file /var/log/dataflow/template_launcher/runner-json.log: open /var/log/dataflow/template_launcher/runner-json.log: permission denied

python_template_launcher fails if running with non root user or an user that have no write access to /var/log

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