Added docker to jenkins

Jenkinsfile-docker

@@ -0,0 +1,36 @@
+pipeline {
+    parameters {
+        string(
+            defaultValue: 'marcinkostrzewski',
+            description: 'Kaggle username',
+            name: 'KAGGLE_USERNAME',
+            trim: false
+        )
+        password(
+            defaultValue: '',
+            description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
+            name: 'KAGGLE_KEY'
+        )
+    }
+
+    agent {
+        dockerfile {
+            additionalBuildArgs "--build-arg KAGGLE_USERNAME=${params.KAGGLE_USERNAME} --build-arg KAGGLE_KEY=${params.KAGGLE_KEY}"
+        }
+    }
+    
+    stages {
+        stage('Run data stats') {
+            steps {
+                sh "python power_plant_data_stats.py"
+            }
+        }
+    }
+
+    post {
+        always {
+            archiveArtifacts artifacts: 'data/*', 
+            onlyIfSuccessful: true
+        }
+    }
+}