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Firefly is an open-source observability framework for serverless functions. It provides key insights into serverless function health through the use of metrics and traces. Firefly automates function instrumentation and the deployment of a telemetry pipeline, ultimately presenting your function data in an easy-to-use dashboard.

Firefly's architecture diagram

Firefly is designed for small companies and projects looking to observe their serverless functions without committing to a commercially available observability solution. It aims to strike a balance between the ease-of-use of the SaaS solution, with the low cost of the DIY solution. Read our case study here to find out more!

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