Heimdall

[Dec '25] The cheapest n8n instance with database. Period.

Self Host n8n

Full database connection URL (used by apps like n8n for easy setup).

Directory inside the container where PostgreSQL stores its data files.

Name of the database to connect to by default.

Host address for connecting to the PostgreSQL database (auto-set).

Password for the PostgreSQL user account.

Port number PostgreSQL listens on (default: 5432).

Username for authenticating PostgreSQL connections.

Initial database name created when PostgreSQL starts for the first time.

Password assigned to the default PostgreSQL user.

Default PostgreSQL user created during setup.

Grace period (in seconds) Railway gives before shutting down the container, allowing active connections to close cleanly.

Number of days the generated SSL certificate for Postgres remains valid.

Name of the PostgreSQL database where n8n stores workflows and execution data.

Host address of the PostgreSQL database (auto-filled by Railway).

Port number for connecting to the PostgreSQL database.

Username for authenticating with the PostgreSQL database.

Specifies the database type used by n8n, in this case postgres.

Enables or disables automatic cleanup of old execution records.

Defines the maximum number of execution records to retain when pruning.

Sets how binary files (images, PDFs, etc.) are stored — in memory or filesystem.

When enabled, ensures n8n settings files have secure access permissions (for safety).

Port on which the n8n service runs inside the container.

The HTTP port on which n8n will run. Default is 5678. Change only if it conflicts with another service.

Public URL used by n8n to handle incoming webhooks and triggers.