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Using a Configuration File
To specify command line options in a file, use a TOML configuration file.
The configuration file can be saved and reused across node startups. To specify the configuration file,
use the --config-file option.
To override an option specified in the configuration file, specify the same option on the command line. When an option is specified in both places, Pantheon is started with the command line value.
TOML Specification
The configuration file must be a valid TOML file and is composed of key/value pairs. Each key is the
same as the corresponding command line option name without the leading dashes (--).
Values must be be specified according to TOML specifications for string, numbers, arrays, and booleans. Specific differences between the command line and the TOML file format are:
- Comma-separated lists on the command line are string arrays in the TOML file
- File paths, hexadecimal numbers, URLs, and <host:port> values must be enclosed in quotes.
!!!tip The command line reference includes configuration file examples for each option.
!!!example "Example TOML configuration file" ```toml # Valid TOML config file data-path="~/pantheondata" # Path
# Network
bootnodes=["enode://001@123:4567", "enode://002@123:4567", "enode://003@123:4567"]
p2p-host="1.2.3.4"
p2p-port=1234
max-peers=42
rpc-http-host="5.6.7.8"
rpc-http-port=5678
rpc-ws-host="9.10.11.12"
rpc-ws-port=9101
# Chain
genesis-file="~/genesis.json" # Path to the custom genesis file
# Mining
miner-enabled=true
miner-coinbase="0xfe3b557e8fb62b89f4916b721be55ceb828dbd73"
```
!!!example "Starting Pantheon with a Configuration File"
bash pantheon --config-file=/home/me/me_node/config.toml