diff --git a/Jenkinsfile b/Jenkinsfile
index 958de4d57..617a4f8f9 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -8,6 +8,8 @@ env.BRANCH_NAME = branchName;
 env.TAG = "${env.BUILD_NUMBER}";
 env.salixUser="${env.salixUser}";
 env.salixPassword="${env.salixPassword}";
+env.salixHost = "${env.productionSalixHost}";
+env.salixPort = "${env.productionSalixPort}";
 
 switch (branchName){
     case branchTest: 
diff --git a/gulpfile.js b/gulpfile.js
index b2d6f6d3f..1b4578c86 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -161,8 +161,12 @@ gulp.task('docker-compose', async () => {
         //    dockerFile = 'Dockerfile';
 
         composeYml.services[service.name] = {
-            environment: ['NODE_ENV=${NODE_ENV}' ,'salixHost=${salixHost}', 'salixPort=${salixPort}',
-            'salixUser=${salixUser}', 'salixPassword=${salixPassword}'
+            environment: [
+                'NODE_ENV=${NODE_ENV}',
+                'salixHost=${salixHost}',
+                'salixPort=${salixPort}',
+                'salixUser=${salixUser}',
+                'salixPassword=${salixPassword}'
             ],
             container_name: `\${BRANCH_NAME}-${service.name}`,
             image: `${service.name}:\${TAG}`,
diff --git a/services/item/common/methods/item/clone.js b/services/item/common/methods/item/clone.js
index 737afa8ed..f6f846751 100644
--- a/services/item/common/methods/item/clone.js
+++ b/services/item/common/methods/item/clone.js
@@ -21,7 +21,7 @@ module.exports = Self => {
         }
     });
 
-    Self.clone = async (itemId, callback) => {
+    Self.clone = async itemId => {
         let filter = {
             where: {
                 id: itemId
@@ -30,6 +30,7 @@ module.exports = Self => {
                 {relation: "itemTag", scope: {order: "priority ASC", include: {relation: "tag"}}}
             ]
         };
+
         try {
             let origin = await Self.findOne(filter);
             let copy = JSON.parse(JSON.stringify(origin));
diff --git a/services/item/common/models/item.js b/services/item/common/models/item.js
index 627b6993b..35cff55d4 100644
--- a/services/item/common/models/item.js
+++ b/services/item/common/models/item.js
@@ -1,3 +1,5 @@
+let UserError = require('../../../loopback/common/helpers').UserError;
+
 module.exports = function(Self) {
     require('../methods/item/filter.js')(Self);
     require('../methods/item/clone.js')(Self);
@@ -5,4 +7,24 @@ module.exports = function(Self) {
 
     Self.validatesPresenceOf('name', {message: 'Cannot be blank'});
     Self.validatesPresenceOf('originFk', {message: 'Cannot be blank'});
+
+    Self.observe('before save', async function(ctx) {
+        await Self.availableId(ctx);
+    });
+
+    Self.availableId = async function(ctx) {
+        if (ctx.isNewInstance) {
+            try {
+                let query = `SELECT i1.id + 1 as id FROM vn.item i1
+                LEFT JOIN vn.item i2 ON i1.id + 1 = i2.id
+                WHERE i2.id IS NULL ORDER BY i1.id LIMIT 1`;
+
+                let newId = await Self.rawSql(query);
+
+                ctx.instance.id = newId[0].id;
+            } catch (e) {
+                throw new UserError(e);
+            }
+        }
+    };
 };
diff --git a/services/item/common/models/specs/item.spec.js b/services/item/common/models/specs/item.spec.js
new file mode 100644
index 000000000..f78c1f066
--- /dev/null
+++ b/services/item/common/models/specs/item.spec.js
@@ -0,0 +1,11 @@
+const app = require('../../../../item/server/server');
+let ctx = {isNewInstance: true, instance: {}};
+describe('Item availableId()', () => {
+    it('should define ctx.instance.id with the expected id', async() => {
+        let Item = app.models.Item;
+
+        await Item.availableId(ctx);
+
+        expect(ctx.instance.id).toEqual(6);
+    });
+});