diff --git a/Jenkinsfile b/Jenkinsfile
new file mode 100644
index 0000000..b249e71
--- /dev/null
+++ b/Jenkinsfile
@@ -0,0 +1,79 @@
+pipeline{
+    agent any
+    stages {
+            stage('env') {
+                steps {
+                    sh 'printenv'
+                }
+            }
+
+        stage('Build') {
+            agent {
+                docker {
+                    image 'python:3-alpine'
+                }
+            }
+            steps {
+                sh 'python -m py_compile sources/add2vals.py sources/calc.py'
+            }
+        }
+        stage('Test') {
+
+            parallel {
+                stage('on centos') {
+                    agent {
+                        docker {
+                            image 'qnib/pytest'
+                        }
+                    }
+                    steps {
+                        sh 'py.test --verbose --junit-xml test-reports/results.xml sources/test_calc.py || true'
+                    }
+                    post {
+                        always {
+                            junit 'test-reports/results.xml'
+                        }
+                    }
+                }
+                stage('on debian') {
+                    agent {
+                        docker {
+                            image 'qnib/pytest'
+                        }
+                    }
+                    steps {
+                        sh 'py.test --verbose --junit-xml test-reports/results.xml sources/test_calc2.py || true'
+                    }
+                    post {
+                        always {
+                            junit 'test-reports/results.xml'
+                        }
+
+                    }
+                }
+
+            }
+        }
+        stage('Deliver') {
+            agent {
+                docker {
+                    image 'cdrx/pyinstaller-linux:python2'
+                }
+            }
+            steps {
+                sh 'pyinstaller --onefile sources/add2vals.py'
+                input message: "Build stage finished.(click to preceded)"
+
+            }
+            post {
+                success {
+                    archiveArtifacts 'dist/add2vals'
+                    githubNotify description: 'This is a shorted example',  status: 'SUCCESS'
+                }
+
+            }
+        }
+    }
+
+
+}
\ No newline at end of file
diff --git a/sources/test_calc.py b/sources/test_calc.py
index 130f9f7..fe0cbbf 100644
--- a/sources/test_calc.py
+++ b/sources/test_calc.py
@@ -5,28 +5,30 @@ class TestCalc(unittest.TestCase):
     """
     Test the add function from the calc library
     """
+    # def test_fail(self):
+    #     self.assertFalse(True, msg="This is failed test")
 
-    def test_add_integers(self):
-        """
-        Test that the addition of two integers returns the correct total
-        """
-        result = calc.add2(1, 2)
-        self.assertEqual(result, 3)
-
-    def test_add_floats(self):
-        """
-        Test that the addition of two floats returns the correct result
-        """
-        result = calc.add2('10.5', 2)
-        self.assertEqual(result, 12.5)
-
-    def test_add_strings(self):
-        """
-        Test the addition of two strings returns the two strings as one
-        concatenated string
-        """
-        result = calc.add2('abc', 'def')
-        self.assertEqual(result, 'abcdef')
+    # def test_add_integers(self):
+    #     """
+    #     Test that the addition of two integers returns the correct total
+    #     """
+    #     result = calc.add2(1, 2)
+    #     self.assertEqual(result, 3)
+    #
+    # def test_add_floats(self):
+    #     """
+    #     Test that the addition of two floats returns the correct result
+    #     """
+    #     result = calc.add2('10.5', 2)
+    #     self.assertEqual(result, 12.5)
+    #
+    # def test_add_strings(self):
+    #     """
+    #     Test the addition of two strings returns the two strings as one
+    #     concatenated string
+    #     """
+    #     result = calc.add2('abc', 'def')
+    #     self.assertEqual(result, 'abcdef')
 
     def test_add_string_and_integer(self):
         """
diff --git a/sources/test_calc2.py b/sources/test_calc2.py
new file mode 100644
index 0000000..28f53bc
--- /dev/null
+++ b/sources/test_calc2.py
@@ -0,0 +1,50 @@
+import unittest
+import calc
+
+class TestCalc(unittest.TestCase):
+    """
+    Test the add function from the calc library
+    """
+    # def test_fail(self):
+    #     self.assertFalse(True, msg="This is failed test")
+
+    def test_add_integers(self):
+        """
+        Test that the addition of two integers returns the correct total
+        """
+        result = calc.add2(1, 2)
+        self.assertEqual(result, 3)
+
+    def test_add_floats(self):
+        """
+        Test that the addition of two floats returns the correct result
+        """
+        result = calc.add2('10.5', 2)
+        self.assertEqual(result, 12.5)
+
+    def test_add_strings(self):
+        """
+        Test the addition of two strings returns the two strings as one
+        concatenated string
+        """
+        result = calc.add2('abc', 'def')
+        self.assertEqual(result, 'abcdef')
+
+    # def test_add_string_and_integer(self):
+    #     """
+    #     Test the addition of a string and an integer returns them as one
+    #     concatenated string (in which the integer is converted to a string)
+    #     """
+    #     result = calc.add2('abc', 3)
+    #     self.assertEqual(result, 'abc3')
+    #
+    # def test_add_string_and_number(self):
+    #     """
+    #     Test the addition of a string and a float returns them as one
+    #     concatenated string (in which the float is converted to a string)
+    #     """
+    #     result = calc.add2('abc', '5.5')
+    #     self.assertEqual(result, 'abc5.5')
+
+if __name__ == '__main__':
+    unittest.main()