Add IP / Port Settings to Signer #305
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…he source" This reverts commit 58c6117.
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The
signermodule currently hardcodes the IP it binds to as0.0.0.0, and the port isn't able to be specified in the configuration file - it's only pulled from an environment variable. In Docker mode it doesn't matter, but that's not ideal for people running natively that want to restrict the traffic tolocalhostsince it will open up the Signer API to the entire network.This modifies it to match PBS's setup, where
host(IP) andportare both configuration variables. Users can manually override the combo with theCB_SIGNER_ENDPOINTenvironment variable which is an analog of the PBS one. It also specifies a default signer host (localhost) and port (20000) in case the configuration parameters are unset and the environment variable isn't present.