Provide hosts as environment settings and add npm run start script

services/docstore/app/coffee/RangeManager.coffee

@@ -36,5 +36,5 @@ module.exports = RangeManager =
 	_safeObjectId: (data) ->
 		try
 			return ObjectId(data)
-		catch
+		catch error
 			return data

services/docstore/config/settings.defaults.coffee

@@ -5,10 +5,10 @@ module.exports = Settings =
 	internal:
 		docstore:
 			port: 3016
-			host: "localhost"
+			host: process.env['LISTEN_ADDRESS'] or "localhost"
 
 	mongo:
-		url: 'mongodb://127.0.0.1/sharelatex'
+		url: "mongodb://#{process.env['MONGO_HOST'] or '127.0.0.1'}/sharelatex"
 
 	docstore:
 		healthCheck:

services/docstore/package.json

@@ -7,6 +7,10 @@
     "type": "git",
     "url": "https://github.com/sharelatex/docstore-sharelatex.git"
   },
+  "scripts": {
+    "compile:app": "coffee -o app/js -c app/coffee && coffee -c app.coffee",
+    "start": "npm run compile:app && node app.js"
+  },
   "dependencies": {
     "settings-sharelatex": "git+https://github.com/sharelatex/settings-sharelatex.git#v1.0.0",
     "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.4.0",