fix up notify.js and README

README.md

@@ -15,7 +15,7 @@ npm install
 ## Configuration
 
 ```bash
-bin/ssu config smtp2go user pass toEmail
+bin/ssu config smtp2go user pass fromEmail toEmail
 bin/ssu config twilio accountSid authToken fromNumber toNumber
 bin/ssu set sms twilio
 bin/ssu set email smtp2go

dev/notify.js

@@ -1,5 +1,6 @@
 require('es6-promise').polyfill()
 
+var fs = require('fs')
 var notifier = require('../lib/notifier')
 var db = require('../lib/postgresql_interface')
 
@@ -10,7 +11,14 @@ function getBalances () {
   ]
 }
 
-db.init('psql://lamassu:lamassu@localhost/lamassu')
+var psqlUrl
+try {
+  psqlUrl = process.env.DATABASE_URL || JSON.parse(fs.readFileSync('/etc/lamassu.json')).postgresql
+} catch (ex) {
+  psqlUrl = 'psql://lamassu:lamassu@localhost/lamassu'
+}
+
+db.init(psqlUrl)
 notifier.init(db, getBalances, {lowBalanceThreshold: 10})
 console.log('DEBUG0')
 notifier.checkStatus()