message: build(env): fix devbuild flag
diff: @@ -75,7 +75,7 @@ function getClientEnvironment(publicUrl) {
  // images into the `src` and `import` them in code to get their paths.
  PUBLIC_URL: publicUrl,
  DEBUG_MODE: process.env.DEBUG_MODE || '',
  - DEV_BUILD: process.env.DEV_BUILD || process.env.NODE_ENV || '',
  + DEV_BUILD: process.env.DEV_BUILD || process.env.NODE_ENV === 'development' ? 'true' : '',
  }
  )
  // Stringify all values so we can feed into Webpack DefinePlugin
  