Add alias prod for production command

Author: vince83110

bin/encore.js

@@ -60,7 +60,7 @@ if (runtimeConfig.useDevServer) {
 }
 
 function showUsageInstructions() {
-    const validCommands = ['dev', 'production', 'dev-server'];
+    const validCommands = ['dev', 'prod', 'production', 'dev-server'];
 
     console.log(`usage ${chalk.green('encore')} [${ validCommands.map(command => chalk.green(command)).join('|') }]`);
     console.log();

lib/config/parse-runtime.js

@@ -34,6 +34,7 @@ module.exports = function(argv, cwd) {
             runtimeConfig.verbose = true;
             break;
         case 'production':
+        case 'prod':
             runtimeConfig.isValidCommand = true;
             runtimeConfig.environment = 'production';
             runtimeConfig.verbose = false;