diff --git a/biblioteki_ml.py b/biblioteki_ml.py
index 4f93aad..47c7f66 100644
--- a/biblioteki_ml.py
+++ b/biblioteki_ml.py
@@ -2,16 +2,10 @@ import sys
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
+from sacred.observers import FileStorageObserver, MongoObserver
 from sklearn.preprocessing import LabelEncoder
 import pandas as pd
-
-
-# Parametry z konsoli
-try:
-    epochs = int(sys.argv[1])
-except:
-    print('No epoch number passed. Defaulting to 100')
-    epochs = 100
+from sacred import Experiment
 
 
 # Model
@@ -29,74 +23,105 @@ class Model(nn.Module):
         return x
 
 
-# Ładowanie danych
-train_set = pd.read_csv('d_train.csv', encoding='latin-1')
-train_set = train_set[['Rating', 'Branch', 'Reviewer_Location']]
-
-test_set = pd.read_csv('d_test.csv', encoding='latin-1')
-test_set = test_set[['Rating', 'Branch', 'Reviewer_Location']]
+# Sacred
+ex = Experiment()
+ex.observers.append(FileStorageObserver('my_runs'))
+# Parametry treningu            -> my_runs/X/config.json
+# Plik z modelem jako artefakt  -> my_runs/X/model.pkl
+# Kod źródłowy                  -> my_runs/_sources/biblioteki_ml_XXXXXXXXXXX.py
+# Wyniki (ostateczny loss)      -> my_runs/X/metrics.json
+ex.observers.append(MongoObserver(url='mongodb://mongo_user:mongo_password_IUM_2021@localhost:27017',
+                                  db_name='sacred'))
 
 
-# Mapowanie kolumny 'Reviewer_Location' na cyfry
-le = LabelEncoder()
-le.fit(pd.concat([train_set['Reviewer_Location'], test_set['Reviewer_Location']]))
-train_set['Reviewer_Location'] = le.transform(train_set['Reviewer_Location'])
-test_set['Reviewer_Location'] = le.transform(test_set['Reviewer_Location'])
+@ex.config
+def my_config():
+    epochs = 100
 
 
-# Mapowanie kolumny 'Branch' na inny sposób
-mappings = {
-    'Disneyland_California': 0,
-    'Disneyland_Paris': 1,
-    'Disneyland_HongKong': 2
-}
-train_set['Branch'] = train_set['Branch'].apply(lambda x: mappings[x])
-test_set['Branch'] = test_set['Branch'].apply(lambda x: mappings[x])
+@ex.automain
+def train_main(epochs, _run):
+    # Parametry z konsoli
+    # try:
+    #     epochs = int(sys.argv[1])
+    # except:
+    #     print('No epoch number passed. Defaulting to 100')
+    #     epochs = 100
 
 
-# Zamiana danych na tensory
-X_train = train_set[['Rating', 'Reviewer_Location']].to_numpy()
-X_test = test_set[['Rating', 'Reviewer_Location']].to_numpy()
-y_train = train_set['Branch'].to_numpy()
-y_test = test_set['Branch'].to_numpy()
+    # Ładowanie danych
+    train_set = pd.read_csv('d_train.csv', encoding='latin-1')
+    train_set = train_set[['Rating', 'Branch', 'Reviewer_Location']]
 
-X_train = torch.FloatTensor(X_train)
-X_test = torch.FloatTensor(X_test)
-y_train = torch.LongTensor(y_train)
-y_test = torch.LongTensor(y_test)
+    test_set = pd.read_csv('d_test.csv', encoding='latin-1')
+    test_set = test_set[['Rating', 'Branch', 'Reviewer_Location']]
 
 
-# Hiperparametry
-model = Model()
-criterion = nn.CrossEntropyLoss()
-optimizer = torch.optim.Adam(model.parameters(), lr=0.01)
+    # Mapowanie kolumny 'Reviewer_Location' na cyfry
+    le = LabelEncoder()
+    le.fit(pd.concat([train_set['Reviewer_Location'], test_set['Reviewer_Location']]))
+    train_set['Reviewer_Location'] = le.transform(train_set['Reviewer_Location'])
+    test_set['Reviewer_Location'] = le.transform(test_set['Reviewer_Location'])
 
 
-# Trening
-losses = []
-for i in range(epochs):
-    y_pred = model.forward(X_train)
-    loss = criterion(y_pred, y_train)
-    losses.append(loss)
-    print(f'epoch: {i:2}  loss: {loss.item():10.8f}')
-
-    optimizer.zero_grad()
-    loss.backward()
-    optimizer.step()
+    # Mapowanie kolumny 'Branch' na inny sposób
+    mappings = {
+        'Disneyland_California': 0,
+        'Disneyland_Paris': 1,
+        'Disneyland_HongKong': 2
+    }
+    train_set['Branch'] = train_set['Branch'].apply(lambda x: mappings[x])
+    test_set['Branch'] = test_set['Branch'].apply(lambda x: mappings[x])
 
 
-# Testy
-preds = []
-with torch.no_grad():
-    for val in X_test:
-        y_hat = model.forward(val)
-        preds.append(y_hat.argmax().item())
+    # Zamiana danych na tensory
+    X_train = train_set[['Rating', 'Reviewer_Location']].to_numpy()
+    X_test = test_set[['Rating', 'Reviewer_Location']].to_numpy()
+    y_train = train_set['Branch'].to_numpy()
+    y_test = test_set['Branch'].to_numpy()
 
-df = pd.DataFrame({'Testing Y': y_test, 'Predicted Y': preds})
-df['Correct'] = [1 if corr == pred else 0 for corr, pred in zip(df['Testing Y'], df['Predicted Y'])]
-print(f"{df['Correct'].sum() / len(df)} percent of predictions correct")
+    X_train = torch.FloatTensor(X_train)
+    X_test = torch.FloatTensor(X_test)
+    y_train = torch.LongTensor(y_train)
+    y_test = torch.LongTensor(y_test)
 
 
-# Zapis do pliku
-df.to_csv('neural_network_prediction_results.csv', index=False)
-torch.save(model, "model.pkl")
+    # Hiperparametry
+    model = Model()
+    criterion = nn.CrossEntropyLoss()
+    optimizer = torch.optim.Adam(model.parameters(), lr=0.01)
+
+
+    # Trening
+    losses = []
+    for i in range(epochs):
+        y_pred = model.forward(X_train)
+        loss = criterion(y_pred, y_train)
+        losses.append(loss)
+        print(f'epoch: {i:2}  loss: {loss.item():10.8f}')
+
+        optimizer.zero_grad()
+        loss.backward()
+        optimizer.step()
+    _run.log_scalar("training.final_loss", losses[-1].item())  # Ostateczny loss
+
+
+    # Testy
+    preds = []
+    with torch.no_grad():
+        for val in X_test:
+            y_hat = model.forward(val)
+            preds.append(y_hat.argmax().item())
+
+    df = pd.DataFrame({'Testing Y': y_test, 'Predicted Y': preds})
+    df['Correct'] = [1 if corr == pred else 0 for corr, pred in zip(df['Testing Y'], df['Predicted Y'])]
+    print(f"{df['Correct'].sum() / len(df)} percent of predictions correct")
+
+
+    # Zapis do pliku
+    df.to_csv('neural_network_prediction_results.csv', index=False)
+    torch.save(model, "model.pkl")
+
+    # Zapis Sacred
+    ex.add_artifact("model.pkl")
+    ex.add_artifact("neural_network_prediction_results.csv")
diff --git a/training.Jenkinsfile b/training.Jenkinsfile
index 8a608e0..c2bddfb 100644
--- a/training.Jenkinsfile
+++ b/training.Jenkinsfile
@@ -24,13 +24,13 @@ pipeline {
         stage('Train model') {
             steps {
                 withEnv(["EPOCH=${params.EPOCH}"]) {
-				    sh 'python biblioteki_ml.py $EPOCH'
+				    sh 'python biblioteki_ml.py with "epochs=$EPOCH"'
 				}
 			}
 		}
-		stage('Archive model') {
+		stage('Archive artifacts') {
             steps {
-				archiveArtifacts artifacts: 'model.pkl, neural_network_prediction_results.csv'
+				archiveArtifacts artifacts: 'model.pkl, neural_network_prediction_results.csv, my_run'
 			}
 		}
 		stage ('Model - evaluation') {