Ensure to load `config/env.prod.js` when booted for production

config/env.prod.js

@@ -0,0 +1,6 @@
+module.exports = {
+  // logging settings
+  DEBUG: [
+    'crowi:crowi',
+  ].join(),
+}

lib/crowi/index.js

@@ -362,7 +362,7 @@ Crowi.prototype.start = function() {
     })
     .then(function(app) {
       server = http.createServer(app).listen(self.port, function() {
-        console.log(`[${self.node_env}] Express server listening on port ${self.port}`);
+        debug(`[${self.node_env}] Express server listening on port ${self.port}`);
       });
 
       // setup

package.json

@@ -39,7 +39,7 @@
     "server:dev:watch": "env-cmd config/env.dev.js node-dev --respawn app.js --livereload",
     "server:dev": "env-cmd config/env.dev.js node app.js",
     "server:prod:container": "npm run server:prod",
-    "server:prod": "node app.js --production | pino-clf common",
+    "server:prod": "env-cmd config/env.prod.js node app.js --production | pino-clf common",
     "server": "npm run server:dev:watch",
     "start": "npm run server:prod",
     "test": "mocha -r test/bootstrap.js test/**/*.js",