truffle-config.js

// Initialize HDWalletProvider
const HDWalletProvider = require("truffle-hdwallet-provider");
// Set your own mnemonic here
const mnemonic =
  "rhythm other retire picnic believe wild style useful dragon tongue fabric dry";

module.exports = {
  // Uncommenting the defaults below
  // provides for an easier quick-start with Ganache.
  // You can also follow this format for other networks;
  // see <http://truffleframework.com/docs/advanced/configuration>
  // for more details on how to specify configuration options!
  //
  networks: {
    develop: {
      host: "127.0.0.1",
      port: 7545,
      chainId: 1337,
      network_id: 5777,
    },
    // Configuration for rinkeby network
    rinkeby: {
      // Special function to setup the provider
      provider: function () {
        // Setting the provider with the Infura Rinkeby address and Token
        return new HDWalletProvider(
          mnemonic,
          "https://rinkeby.infura.io/v3/abc77529db404a6797d4cb290899eac2",
        );
      },
      // Network id is 4 for Rinkeby
      network_id: 4,
    },
  },
  //
  // Truffle DB is currently disabled by default; to enable it, change enabled:
  // false to enabled: true. The default storage location can also be
  // overridden by specifying the adapter settings, as shown in the commented code below.
  //
  // NOTE: It is not possible to migrate your contracts to truffle DB and you should
  // make a backup of your artifacts to a safe location before enabling this feature.
  //
  // After you backed up your artifacts you can utilize db by running migrate as follows:
  // $ truffle migrate --reset --compile-all
  //
  // db: {
  //   enabled: true,
  //   host: "127.0.0.1",
  //   adapter: {
  //     name: "sqlite",
  //     settings: {
  //       directory: ".db",
  //     },
  //   },
  // },
  compilers: {
    solc: {
      version: "^0.8.4",
    },
  },
};