codex-factory/generator/truffle-config.js

module.exports = {
  networks: {
    development: {
      host: '127.0.0.1',
      port: 9545,
      network_id: '4020',
      gasPrice: '10000000000', //10 gwei
    },
  },

  compilers: {
    solc: {
      version: '0.6.12', // Fetch exact version from solc-bin (default: truffle's version)
      docker: true,
      settings: {
        optimizer: {
          enabled: true,
          runs: 200, // Optimize for how many times you intend to run the code
        },
        evmVersion: 'istanbul',
      },
    },
  },

  db: {
    enabled: true,
  },
}