requirements.txt

    Who this is for:

    Architecture / Concept Overview: requirements.txt

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    *Databricks Apps deploys your application code into a managed container runtime with direct access to lakehouse resources.*

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    *Apps support multiple Python frameworks and access lakehouse resources through authenticated, governed connections.*

    Key Terms

    Prerequisites and Setup

    • Databricks workspace with Apps enabled
    • Databricks CLI v0.200+ installed
    • Python 3.10+ for local development
    • A web framework (Gradio, Dash, Streamlit, or Flask)
    • Workspace permissions to create and deploy apps

    Step-by-Step Implementation

      Configuration Reference

      requirements.txt configuration options
      FieldLocationDescription
      commandapp.ymlStartup command for the application
      envapp.ymlEnvironment variables passed to the runtime
      resourcesapp.ymlDatabricks resources the app needs access to
      resources[].sql_warehouseapp.ymlSQL Warehouse reference and permission level
      resources[].serving_endpointapp.ymlModel serving endpoint reference
      PortApplication codeMust listen on port 8080

      Monitoring, Cost, and Security Considerations

      Common Pitfalls and Recommended Patterns

        Frequently Asked Questions