Documentation/Block Builders/Running a builder/Install & Run a Node
Environment Variables
Configuration reference for all environment variables used by the Signet node client.
The following environment variables can be used to configure various aspects of the signet node client.
| Environment Variable | Required | Description |
|---|---|---|
BLOB_EXPLORER_URL | Required | URL of a blob explorer |
SIGNET_STATIC_PATH | Required | Filesystem path to where the static_files directory should be located |
SIGNET_DATABASE_PATH | Required | Filesystem path to where the node should store its database |
IPC_ENDPOINT | Optional | Filesystem path for the .ipc file |
GENESIS_JSON_PATH | Required | Path on the filesystem for the genesis file |
RPC_PORT | Required | Port to be used for the rollup node http json-rpc requests |
WS_RPC_PORT | Required | Port to be used for the rollup node’s WebSocket connections |
TX_FORWARD_URL | Optional | URL for the transaction cache API |
SIGNET_CL_URL | Optional | URL to the consensus layer for fetching blobs and other CL responsibilities |
SIGNET_PYLON_URL | Optional | URL to the Pylon node for blob storage |
HOST_START_TIMESTAMP | Required | The host chain’s start timestamp for slot calculation purposes |
HOST_SLOT_OFFSET | Required | The host chain’s slot offset |
HOST_SLOT_DURATION | Required | The host chain’s slot duration |
RUST_LOG | Optional | Standard rust environment variable for logging |