lib: Add optional port parameter that is prefilled. Prevents crashes if no port is specified

package: Increment beta version

core/lib.mjs

@@ -6,7 +6,7 @@ import StaticProvider from './providers/static.mjs'
 import Core from './core.mjs'
 
 export default class ServiceCore {
-  constructor(name, root_import_meta_url, dbfilename = 'db.json') {
+  constructor(name, root_import_meta_url, port = 4000, dbfilename = 'db.json') {
     if (!root_import_meta_url) {
       throw new Error('ServiceCore must be called with the full string from "import.meta.url" from a file residing in the root directory')
     }
@@ -19,6 +19,10 @@ export default class ServiceCore {
     this.db = null
     this.core = null
     this.app = null
+
+    this.setConfig({
+      port: port,
+    })
   }
 
   setConfig(config) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "service-core",
-  "version": "3.0.0-beta.7",
+  "version": "3.0.0-beta.8",
   "description": "Core boiler plate code to install node server as windows service",
   "main": "index.mjs",
   "scripts": {