diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 562ecfe..a81e822 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: cirrusci/flutter:latest
+image: cirrusci/flutter:3.3.5
 
 stages:
   - analyze
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index bae31ce..c5439ff 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.smoke_cess_app">
+    <!-- Required to fetch data from the internet. -->
+    <uses-permission android:name="android.permission.INTERNET" />
    <application
         android:label="smoke_cess_app"
         android:name="${applicationName}"
diff --git a/lib/models/workout.dart b/lib/models/workout.dart
index 39ef628..187b7f6 100644
--- a/lib/models/workout.dart
+++ b/lib/models/workout.dart
@@ -11,8 +11,14 @@ class Workout implements DatabaseRecord {
 
   @override
   factory Workout.fromDatabase(Map<String, dynamic> map) {
-    return Workout(map['_workoutDuration'], map['_motivationBefore'],
-        map['_motivationAfter']);
+    return Workout(map['motivationBefore'], map['motivationAfter'],
+        DateTime.parse(map['workoutDate']));
+  }
+
+  @override
+  factory Workout.fromMap(Map<String, dynamic> map) {
+    return Workout(
+        map['motivationBefore'], map['motivationAfter'], map['workoutDate']);
   }
 
   @override
@@ -24,7 +30,7 @@ class Workout implements DatabaseRecord {
     return {
       'motivationBefore': _motivationBefore,
       'motivationAfter': _motivationAfter,
-      'workoutDate': _workoutDate,
+      'workoutDate': _workoutDate.toIso8601String(),
     };
   }
 }
diff --git a/lib/pages/scanner_page.dart b/lib/pages/scanner_page.dart
index de394f9..d809ff9 100644
--- a/lib/pages/scanner_page.dart
+++ b/lib/pages/scanner_page.dart
@@ -1,25 +1,18 @@
 import 'package:awesome_dialog/awesome_dialog.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'package:smoke_cess_app/models/mood.dart';
-import 'package:smoke_cess_app/models/relapse.dart';
+import 'package:smoke_cess_app/services/export_service.dart';
 import 'package:smoke_cess_app/services/settings_service.dart';
 import 'package:smoke_cess_app/services/notification_service.dart';
 import 'package:smoke_cess_app/widgets/scanner.dart';
-import '../models/sleep.dart';
 import '../providers/settings_provider.dart';
-import '../globals.dart' as globals;
 
 class ScannerPage extends StatelessWidget {
   const ScannerPage({super.key});
 
   void export() async {
-    List<Mood> moods = await globals.databaseService.getMoodRecords();
-    List<Sleep> sleeps = await globals.databaseService.getSleepRecords();
-    List<Relapse> relapses = await globals.databaseService.getRelapseRecords();
-    moods;
-    sleeps;
-    relapses;
+    ExportService exportService = ExportService();
+    exportService.exportData();
   }
 
   void loadJSON(BuildContext context) async {
diff --git a/lib/services/export_service.dart b/lib/services/export_service.dart
new file mode 100644
index 0000000..9758270
--- /dev/null
+++ b/lib/services/export_service.dart
@@ -0,0 +1,43 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:smoke_cess_app/models/mood.dart';
+import 'package:smoke_cess_app/models/relapse.dart';
+import 'package:smoke_cess_app/models/sleep.dart';
+import 'package:smoke_cess_app/models/workout.dart';
+import 'package:smoke_cess_app/services/database_service.dart';
+import '../globals.dart' as globals;
+
+class ExportService {
+  Uri url = Uri.parse('http://localhost:3000/data');
+  final DatabaseService _databaseService = globals.databaseService;
+
+  Future<Map<String, List<String>>> _loadRecords() async {
+    List<Mood> moodRecords = await _databaseService.getMoodRecords();
+    List<Sleep> sleepRecords = await _databaseService.getSleepRecords();
+    List<Relapse> relapseRecords = await _databaseService.getRelapseRecords();
+    List<Workout> workoutRecords = await _databaseService.getWorkoutRecords();
+    return {
+      'Stimmung':
+          moodRecords.map((Mood mood) => jsonEncode(mood.toMap())).toList(),
+      'Schlaf':
+          sleepRecords.map((Sleep sleep) => jsonEncode(sleep.toMap())).toList(),
+      'Rückfall': relapseRecords
+          .map((Relapse relapse) => jsonEncode(relapse.toMap()))
+          .toList(),
+      'Workout': workoutRecords
+          .map((Workout workout) => jsonEncode(workout.toMap()))
+          .toList()
+    };
+  }
+
+  Future<int> exportData() async {
+    Map<String, List<String>> body = await _loadRecords();
+    final response = await http.post(url,
+        headers: <String, String>{
+          'Content-Type': 'application/json; charset=UTF-8',
+        },
+        body: jsonEncode(body));
+    return response.statusCode >= 400 ? 0 : 1;
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
index 08b0b74..98b299a 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -192,7 +192,7 @@ packages:
     source: hosted
     version: "2.2.0"
   http:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
diff --git a/pubspec.yaml b/pubspec.yaml
index 5c61553..473cf66 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -36,15 +36,16 @@ dependencies:
   path_provider: ^2.0.12
   provider: ^6.0.5
   awesome_dialog: ^3.0.2
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.2
   timezone: ^0.9.0
   shared_preferences: ^2.0.17
   audioplayers: ^3.0.1
   mobile_scanner: ^3.0.0
   flutter_local_notifications: ^13.0.0
+  http: ^0.13.5
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: ^1.0.2
 
 dev_dependencies:
   flutter_test: