feat: add env-property for default issuer

app.js

@@ -11,7 +11,7 @@ const bodyParser = require('body-parser')
 const favicon = require('serve-favicon')
 const cert = require('./cert')
 
-let issuer = 'localhost:3333'
+let issuer = process.env.ISSUER || 'localhost:3333'
 let jwksOrigin = `https://${issuer}/`
 const audience = process.env.AUDIENCE || 'https://generic-audience'
 const adminCustomClaim = process.env.ADMIN_CUSTOM_CLAIM || 'https://unbound.se/admin'