Let node.js use the docker env

web/config/dev.env.js

@@ -4,5 +4,5 @@ const prodEnv = require('./prod.env')
 
 module.exports = merge(prodEnv, {
   NODE_ENV: '"development"',
-  PREFIX_PATH: '"/app"'
+  PREFIX_PATH: `"${process.env.PREFIX_PATH}"`
 })

web/config/prod.env.js

@@ -1,5 +1,5 @@
 'use strict'
 module.exports = {
   NODE_ENV: '"production"',
-  PREFIX_PATH: '"/app"'
+  PREFIX_PATH: `"${process.env.PREFIX_PATH}"`
 }