skip migrations

migrations/1_initial_migration.js

@@ -2,5 +2,8 @@
 const Migrations = artifacts.require('Migrations')
 
 module.exports = function(deployer) {
+  if(deployer.network === 'mainnet') {
+    return
+  }
   deployer.deploy(Migrations)
 }

package.json

@@ -12,6 +12,7 @@
     "build:contract": "npx truffle compile",
     "test": "npx truffle test",
     "migrate": "npx truffle migrate --network kovan --reset",
+    "migrate:mainnet": "npx truffle migrate --network mainnet --reset",
     "migrate:dev": "npx truffle migrate --network development --reset",
     "browserify": "npx browserify cli.js -o index.js --exclude worker_threads",
     "eslint": "npx eslint --ignore-path .gitignore .",

truffle-config.js

@@ -51,6 +51,15 @@ module.exports = {
       // timeoutBlocks: 200,
       skipDryRun: true
     },
+    mainnet: {
+      provider: () => new HDWalletProvider(process.env.PRIVATE_KEY, 'https://mainnet.infura.io/v3/c7463beadf2144e68646ff049917b716'),
+      network_id: 1,
+      gas: 5000000,
+      gasPrice: utils.toWei('2', 'gwei'),
+      // confirmations: 0,
+      // timeoutBlocks: 200,
+      skipDryRun: true
+    },
 
     // Useful for private networks
     // private: {