Resolved error Unknown modifier: $pushAll

adding this:

 mongoose.plugin(schema => { schema.options.usePushEach = true });

.env.production

@@ -0,0 +1,10 @@
+DATABASE =FreePlanet
+TEST_ATTIVO=1
+PORT=3000
+URLBASE_APP1=http://freeplanet.app
+PORT_APP1=80
+DOMAIN=mongodb://localhost:27017/
+SIGNCODE=abc123
+EMAIL_FROM=perseo774.un@gmail.com
+EMAIL_PW=passpao1UNOK
+SEND_EMAIL="0"

ecosystem.config.js

@@ -0,0 +1,17 @@
+module.exports = {
+  apps : [
+    {
+      name: "FreePlanetServerSide",
+      script: "./server/server.js",
+      watch: true,
+      env: {
+        "PORT": 3000,
+        "NODE_ENV": "development"
+      },
+      env_production: {
+        "PORT": 8080,
+        "NODE_ENV": "production",
+      }
+    }
+  ]
+}

server/models/user.js

@@ -1,4 +1,3 @@
-
 var bcrypt = require('bcrypt');
 
 const mongoose = require('mongoose');
@@ -6,6 +5,8 @@ const validator = require('validator');
 const jwt = require('jsonwebtoken');
 const _ = require('lodash');
 
+// Resolving error Unknown modifier: $pushAll
+mongoose.plugin(schema => { schema.options.usePushEach = true });
 
 var UserSchema = new mongoose.Schema({
   email: {
@@ -14,10 +15,10 @@ var UserSchema = new mongoose.Schema({
     trim: true,
     minlength: 1,
     unique: true,
-    validate: {
+    /*validate: {
       validator: validator.isEmail,
       message: '{VALUE} is not a valid email'
-    }
+    }*/
   },
   idapp: {
     type: Number,
@@ -82,9 +83,13 @@ UserSchema.methods.generateAuthToken = function () {
   user.tokens = [];
   user.tokens.push({ access, token });
 
-  return user.save().then(() => {
+  return user.save()
+    .then(() => {
       //console.log("TOKEN USCITA : " + token)
       return token;
+    })
+    .catch(err => {
+      console.log("Error", err.message);
     });
 };
 
@@ -131,7 +136,6 @@ UserSchema.statics.findByCredentials = function (username, password) {
 };
 
 
-
 UserSchema.statics.findByUsername = function (username) {
   var User = this;
 

server/server.js

@@ -81,7 +81,6 @@ app.post(process.env.LINKVERIF_REG, (req, res) => {
 });
 
 
-
 // Faccio richiesta di una Nuova Password
 app.post(process.env.LINK_REQUEST_NEWPASSWORD, (req, res) => {
   var body = _.pick(req.body, ['idapp', 'email']);
@@ -127,14 +126,14 @@ app.post(process.env.LINK_UPDATE_PASSWORD, (req, res) => {
       user.password = password;
 
       // Crea token
-      token = user.generateAuthToken();
-
+      user.generateAuthToken().then(token => {
         user.tokenforgot = '';  // Svuota il tokenforgot perché non ti servirà più...
 
         // Salva lo User
         user.save().then(() => {
           res.header('x-auth', token).send(user);   // Ritorna il token di ritorno
         });
+      })
     }
   }).catch((e) => {
     console.log(e);