truffle-config.js

const path = require("path");
const HDWalletProvider = require('@truffle/hdwallet-provider');
const fs = require('fs');
const mnemonic = fs.readFileSync(".secret").toString().trim();

module.exports = {
  // See <http://truffleframework.com/docs/advanced/configuration>
  // to customize your Truffle configuration!
  contracts_build_directory: path.join(__dirname, "docs/contracts"),
  networks: {
    develop: {
      network_id: "1",
      port: 8545
    },
    bsc_testnet: {
      provider: () => new HDWalletProvider(mnemonic, `https://data-seed-prebsc-1-s1.binance.org:8545`),
      network_id: 97,
      confirmations: 10,
      timeoutBlocks: 200,
      skipDryRun: true
    },
    bsc_mainnet: {
      provider: () => new HDWalletProvider(mnemonic, `https://bsc-dataseed.binance.org/`),
      network_id: 56,
      confirmations: 10,
      timeoutBlocks: 200,
      skipDryRun: true,
      gasPrice: "5000000000"
    }
  },
  compilers: {
    solc: {
      version: "^0.7.0"
    }
  }
};