truffle.js

module.exports = {
  networks: {
    'development': {
      host: "localhost",
      port: 8545,
      network_id: "*"
    },
    'alastria': {
      host: "35.176.19.89",
      port: 22000,
      network_id: "*",
      gas: 0xffffff,
      gasPrice: 0x0,
      from: "0xd65616c46a2e55957aff33e238b31bc568358e20"
    },
    compilers: {
      solc: {
        version: "^0.4.23", // A version or constraint - Ex. "^0.5.0"
      }
    }
  }

  /*//HD Wallet for keyless servers (infura)
  const HDWalletProvider = require("truffle-hdwallet-provider");
  const Ganache = require("ganache-cli");

  let provider

  function getNmemonic() {
    try{
      return require('fs').readFileSync("./seed", "utf8").trim();
    } catch(err){
      return "";
    }
  }

  function getProvider(rpcUrl) {
    if (!provider) {
      provider = new HDWalletProvider(getNmemonic(), rpcUrl);
    }
    return provider;
  }

  module.exports = {
    networks: {
      in_memory: {
        get provider() {
          if (!provider) {
            provider = Ganache.provider({total_accounts: 25, gasLimit: '0xfffffff'});
          }
          return provider;
        },
        network_id: "*"
      },
      coverage: {
        host: "localhost",
        network_id: "*",
        port: 7555,         // <-- Use port 7555
        gas: 0xfffffff, // <-- Use this high gas value
        gasPrice: 0x01      // <-- Use this low gas price
      },
      development: {
        host: "localhost",
        port: 8545,
        network_id: "*",
        gas: 0xfffffff,
        gasPrice: 0x01
      },
      alastria_general1: {
        host: "192.168.31.200",
        port: 22001,
        network_id: "*", // Match any network id
        gas: 0xfffffff,
        gasPrice: 0x0,
        from: "0x0defda53d6e0ba7627a4891b43737c5889e280cc"
      },
      alastria_general2: {
        host: "192.168.31.200",
        port: 22002,
        network_id: "*", // Match any network id
        gas: 0xfffffffffffff,
        gasPrice: 0x0,
        from: "0x95066cdf6a5ac9489eeb28755f0e878eb3de711d"
      },
      alastria: {
        host: "34.246.45.100",
        port: 22000,
        network_id: "*", // Match any network id
        gas: 0xffffff,
        gasPrice: 0x0,
        from: "0x95066cdf6a5ac9489eeb28755f0e878eb3de711d"
      }
    }
  };
  */
};