Quickstart: Databricks Chatbot App

Run the interactive setup script from the e2e-chatbot-app-next/ directory:

./scripts/quickstart.sh

What It Configures

The script walks through the following steps interactively:

1. Prerequisites — installs jq, nvm, Node 20, and the Databricks CLI if missing
2. Databricks auth — lets you select an existing profile or create a new one via databricks auth login
3. Serving endpoint — prompts for your agent endpoint name (Agent Bricks or custom agent); validates it exists
4. Feedback widget — if the endpoint has a linked MLflow experiment, offers to enable thumbs up/down feedback (default: yes). This automatically:
   • Sets MLFLOW_EXPERIMENT_ID in .env
   • Uncomments the experiment resource in databricks.yml
   • Uncomments MLFLOW_EXPERIMENT_ID in app.yaml
5. App/bundle name — optionally customize the app name (default: db-chatbot-dev-<username>, max 30 chars)
6. Database — optionally enable persistent chat history via a Lakebase instance (~5-10 min, costs apply)
7. Deploy — runs databricks bundle deploy and starts the app

Enabling Feedback After Initial Setup

If you skipped feedback during quickstart, or ran the script before feedback support was added, enable it manually:

1. Find the experiment name for your endpoint:

npx tsx scripts/get-experiment-id.ts --endpoint <your-serving-endpoint-name>

For Agent Bricks (Knowledge Assistant / Multi-Agent Supervisor):

npx tsx scripts/get-experiment-id.ts --agent-brick <agent-brick-name>

2. Set MLFLOW_EXPERIMENT_ID in .env (for local dev):

MLFLOW_EXPERIMENT_ID=<experiment-name-from-step-1>

3. Configure databricks.yml — uncomment and fill in the experiment resource:

- name: experiment
          description: "MLflow experiment for collecting user feedback"
          experiment:
            name: "<experiment-name-from-step-1>"
            permission: CAN_EDIT

4. Configure app.yaml — uncomment the env var:

- name: MLFLOW_EXPERIMENT_ID
        valueFrom: experiment

5. Redeploy:

databricks bundle deploy
databricks bundle run databricks_chatbot

Troubleshooting