in knative-build/runtimes/javascript/src/service.js [210:216]
function(k) {
if (typeof msg[k] === 'string' && k !== 'value'){
var envVariable = '__OW_' + k.toUpperCase();
process.env['__OW_' + k.toUpperCase()] = msg[k];
DEBUG.dumpObject(process.env[envVariable], envVariable, 'doRun');
}
}