diff --git a/app/src/main/java/de/jeanlucmakiola/calendula/data/di/DataModule.kt b/app/src/main/java/de/jeanlucmakiola/calendula/data/di/DataModule.kt
new file mode 100644
index 0000000..09d37a1
--- /dev/null
+++ b/app/src/main/java/de/jeanlucmakiola/calendula/data/di/DataModule.kt
@@ -0,0 +1,54 @@
+package de.jeanlucmakiola.calendula.data.di
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.preferencesDataStore
+import dagger.Binds
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import de.jeanlucmakiola.calendula.data.calendar.AndroidCalendarDataSource
+import de.jeanlucmakiola.calendula.data.calendar.CalendarDataSource
+import de.jeanlucmakiola.calendula.data.calendar.CalendarRepository
+import de.jeanlucmakiola.calendula.data.calendar.CalendarRepositoryImpl
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import javax.inject.Singleton
+
+private val Context.calendulaDataStore: DataStore<Preferences> by preferencesDataStore(
+    name = "calendula_prefs",
+)
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class DataBindModule {
+
+    @Binds
+    @Singleton
+    abstract fun bindCalendarDataSource(
+        impl: AndroidCalendarDataSource,
+    ): CalendarDataSource
+
+    @Binds
+    @Singleton
+    abstract fun bindCalendarRepository(
+        impl: CalendarRepositoryImpl,
+    ): CalendarRepository
+}
+
+@Module
+@InstallIn(SingletonComponent::class)
+object DataProvideModule {
+
+    @Provides
+    @Singleton
+    fun provideDataStore(@ApplicationContext context: Context): DataStore<Preferences> =
+        context.calendulaDataStore
+
+    @Provides
+    @IoDispatcher
+    fun provideIoDispatcher(): CoroutineDispatcher = Dispatchers.IO
+}