tracecast/open_data_apps

Node.js API

12 environment variables found in .env.example

Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.

DATABASE_URL secret Copy this file to `.env` and edit `.env`. Docker Compose does not read `.env.example` at runtime. Shared
ENCRYPTION_KEY secret Required. Generate with: openssl rand -base64 32 Tracecast refuses to start if this is missing or shorter than 32 chars. Data-source…
NEXT_PUBLIC_APP_URL Web
LANGGRAPH_AGENT_URL
RUNTIME_SERVER_URL
LANGSMITH_TRACING Optional: LangSmith tracing
LANGSMITH_API_KEY secret
LANGSMITH_PROJECT
RUNTIME_PUBLIC_HOST Local Marimo runtime
RUNTIME_PORT_START
RUNTIME_PORT_END
RUNTIME_READINESS_TIMEOUT

Alternative Fly.io Anything Dockerized — requires the Fly CLI.

macOS

brew install flyctl && fly launch --from https://github.com/tracecast/open_data_apps

Linux

curl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/tracecast/open_data_apps

Windows (PowerShell)

iwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/tracecast/open_data_apps

Or deploy to a different host