web3.eth.accounts.signTransaction(transactionObject, process.env.WALLET_PRIVATE_KEY, function (error, signedTx) {
    if (error) {
        log(`${error}`.red);
    } else {
        web3.eth.sendSignedTransaction(signedTx.rawTransaction)
            .on('confirmation', function (number) {//dostuff
                log(`Success: ${number}`.green);

            });

        // Note this address. It will be used to create contract instance from Angular 5 application.
        //console.log("contract deployed to", result.options.address);
    }
}).catch(function(err){
    log(`${err}`.red);
});