NoETL Environment Variables
This document provides a comprehensive list of environment variables supported by NoETL.
Server Configuration
| Variable | Description | Default Value |
|---|
NOETL_HOST | Host address for the NoETL server | localhost |
NOETL_PORT | Port for the NoETL server | 8080 |
NOETL_ENABLE_UI | Enable or disable the UI components | true |
LOG_LEVEL | Logging level (INFO, DEBUG, WARNING, ERROR) | INFO |
NOETL_DATA_DIR | Directory for NoETL data files | data |
Database Configuration
NoETL supports two sets of database configuration variables. The application will first try to use the NOETL_* variables, and if not available, it will fall back to the POSTGRES_* variables.
NoETL-specific Database Variables
| Variable | Description | Default Value |
|---|
NOETL_USER | Username for NoETL database connection | noetl |
NOETL_PASSWORD | Password for NoETL database connection | noetl |
NOETL_SCHEMA | Schema for NoETL database connection | noetl |
PostgreSQL Database Variables
| Variable | Description | Default Value |
|---|
POSTGRES_USER | Username for PostgreSQL database connection | noetl |
POSTGRES_PASSWORD | Password for PostgreSQL database connection | noetl |
POSTGRES_DB | Database name for PostgreSQL connection | noetl |
POSTGRES_HOST | Host address for PostgreSQL server | localhost |
POSTGRES_PORT | Port for PostgreSQL server | 5432 |
POSTGRES_SCHEMA | Schema for PostgreSQL database connection | public |
Google Cloud Configuration
| Variable | Description |
|---|
GOOGLE_CLOUD_PROJECT | Google Cloud project ID |
SERVICE_ACCOUNT_EMAIL | Service account email for Google Cloud |
GOOGLE_APPLICATION_CREDENTIALS | Path to Google Cloud service account credentials file |
GOOGLE_SECRET_POSTGRES_PASSWORD | Secret Manager path for PostgreSQL password |
GOOGLE_SECRET_API_KEY | Secret Manager path for API key |
GCS_ENDPOINT | Google Cloud Storage endpoint |
GCS_REGION | Google Cloud region |
Other Configuration
| Variable | Description | Default Value |
|---|
TZ | Timezone | America/Chicago |
PYTHONPATH | Python module search path | /opt/noetl |
JUPYTER_TOKEN | Token for Jupyter notebook authentication | noetl |
VITE_API_BASE_URL | Base URL for API calls from the UI | /api |
NOETL_RUNTIME_SWEEP_INTERVAL | Seconds between runtime sweeper iterations | 15 |
NOETL_RUNTIME_OFFLINE_SECONDS | Seconds after last heartbeat to mark runtime offline | 60 |
Usage in Kubernetes
In Kubernetes deployments, these environment variables are set in the ConfigMap and Secret resources:
noetl-configmap.yaml: Contains non-sensitive configurationnoetl-secret.yaml: Contains sensitive information like passwords
The deployment uses these environment variables to configure the NoETL server and its connections to the database.