mint.js

const CONTRACT = require("./../artifacts/contracts/AfterApe.sol/AfterApeNFT.json");
require("dotenv").config();
const { ALCHEMY_URL, PUBLIC_KEY, PRIVATE_KEY, CONTRACT_ADDRESS, CID } = process.env;
const web3 = createAlchemyWeb3(`${ALCHEMY_URL}`);
const nftContract = new web3.eth.Contract(CONTRACT.abi, CONTRACT_ADDRESS);
async function mintNFT(tokenURI) {
const nonce = await web3.eth.getTransactionCount(PUBLIC_KEY, "latest");
//the transaction
const tx = {
"from": PUBLIC_KEY,
"to": CONTRACT_ADDRESS,
"nonce": nonce,
"gas": 500000,
"data": nftContract.methods.mintNFT(PUBLIC_KEY, tokenURI).encodeABI()
};
const signPromise = web3.eth.accounts.signTransaction(tx, `0x${PRIVATE_KEY}`);
signPromise
.then((signedTx) => {
 web3.eth.sendSignedTransaction(
 signedTx.rawTransaction,
 function(err, hash) {
 if (!err) {
 console.log(
 "The hash of your transaction is: ", hash ,
 "\nCheck Alchemy's Mempool to view the status of your transaction!"
 )
 } else {
 console.log(
 "Something went wrong when submitting your transaction:", err)
 }
 }
 )
})
.catch((err) => {
 console.log("Promise failed:", err)
});
}
mintNFT(`ipfs://${CID}`);