Testing your data models

Create a .env file:

Ensure your .env file is in the same directory as cube-playground.yml.

Populate the .env file:

Populate the .env file with the correct database credentials for your database (opens in a new tab) as per the Cube.js Environment Configuration (opens in a new tab).

CUBEJS_DB_TYPE=postgres
CUBEJS_DB_HOST=localhost
CUBEJS_DB_NAME=your_database
CUBEJS_DB_USER=your_username
CUBEJS_DB_PASS=your_password

You may need to add:

CUBEJS_DB_SSL=true

You can also add set the desired level of logging detail, which can be useful for debugging and monitoring:

CUBEJS_DB_SSL=warn 

Possible values:
warn (default value): Logs warnings in addition to errors.
Example: Deprecation warnings or configuration issues.

error: Logs only critical errors that affect the application's functionality.
Example: Database connection issues or critical service failures.

info: Logs general informational messages about the application's operations.
Example: Application startup, health checks, or key lifecycle events.

trace: Logs the most detailed information, primarily used for in-depth debugging.
Example: Internal function calls and exhaustive execution details.

Run the Playground

Execute the following command to start Cube's data playground:

npm run cube:playground

You can also use docker compose:

docker compose -f ./src/cube-playground.yml up

Access the Playground

Open your browser and navigate to localhost:4000 (opens in a new tab) to use Cube Playground.