Add better logging system

src/logger.js

@@ -0,0 +1,22 @@
+import pino from 'pino'
+
+function resolveLevel () {
+  if (process.env.LOG_LEVEL) return process.env.LOG_LEVEL
+  const idx = process.argv.indexOf('--log-level')
+  if (idx !== -1 && process.argv[idx + 1]) return process.argv[idx + 1]
+  return 'info'
+}
+
+const logger = pino({
+  level: resolveLevel(),
+  transport: {
+    target: 'pino-pretty',
+    options: {
+      colorize: true,
+      translateTime: 'HH:MM:ss',
+      ignore: 'pid,hostname'
+    }
+  }
+})
+
+export default logger