ensure to check process.env.FORMAT_NODE_LOG on production

config/env.prod.js

@@ -1,5 +1,7 @@
 module.exports = {
   NODE_ENV: 'production',
+  // FORMAT_NODE_LOG: false,
+
   // settings for 'visionmedia/debug'
   // see also './logger/config.prod.js'
   DEBUG: [

lib/service/logger/stream.prod.js

@@ -1,6 +1,10 @@
 let stream = undefined;
 
-// do nothing
-// output JSON to stdout
+const isFormat = !(process.env.FORMAT_NODE_LOG === 'false');
+
+if (isFormat) {
+  const bunyanFormat = require('bunyan-format');
+  stream = bunyanFormat({ outputMode: 'long' });
+}
 
 module.exports = stream;