#253 added env var to log to file

[0xste]

📝 Summary

adds optional env-var to specify a log file location.

⛱ Motivation and Context

This enables us to ship logs off-node

📚 References

#253 - required for prometheus metrics grok exporter dependency

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✅ I have run these commands

• [ ✅ ] make lint
• [ ✅ ] make test-race
• [ ✅] go mod tidy

[0xste]

probably needs to support log-file-rotation etc... draft for now

[metachris]

Usually it's best practice to only log to stdout/stderr and have other tools (i.e. systemd, etc) take care of writing to files and rotating.

[metachris]

anyhow, thanks for contributing 🙏 ⭐