From the project root, run:
uv run dg dev
The uv run command runs dg dev in the isolated project environment defined by pyproject.toml.
When the logs show that the Dagster UI is available at http://127.0.0.1:3000, proceed to the next step.
Note
dg dev uses an ephemeral Dagster instance by default. To preserve run history, set DAGSTER_HOME before starting the server.
$env:DAGSTER_HOME="$env:USERPROFILE\.dagster_home"
uv run dg dev
export DAGSTER_HOME=~/.dagster_home
uv run dg dev