diff --git a/media_manager/auth/config.py b/media_manager/auth/config.py
index 5705ac2..1b028d1 100644
--- a/media_manager/auth/config.py
+++ b/media_manager/auth/config.py
@@ -18,7 +18,7 @@ class AuthConfig(BaseSettings):
     session_lifetime: int = 60 * 60 * 24
     admin_emails: list[str] = []
     email_password_resets: bool = False
-    openid_connect: OpenIdConfig
+    openid_connect: OpenIdConfig = OpenIdConfig()
 
     @property
     def jwt_signing_key(self):
diff --git a/media_manager/config.py b/media_manager/config.py
index eb5b1a0..895f01b 100644
--- a/media_manager/config.py
+++ b/media_manager/config.py
@@ -54,13 +54,13 @@ class AllEncompassingConfig(BaseSettings):
     This class is used to load all configurations from the environment variables.
     It combines the BasicConfig with any additional configurations needed.
     """
-    misc: BasicConfig
-    torrents: TorrentConfig
-    notifications: NotificationConfig
-    metadata: MetadataProviderConfig
-    indexers: IndexerConfig
-    database: DbConfig
-    auth: AuthConfig
+    misc: BasicConfig = BasicConfig()
+    torrents: TorrentConfig = TorrentConfig()
+    notifications: NotificationConfig = NotificationConfig()
+    metadata: MetadataProviderConfig = MetadataProviderConfig()
+    indexers: IndexerConfig = IndexerConfig()
+    database: DbConfig = DbConfig()
+    auth: AuthConfig = AuthConfig()
 
     @classmethod
     def settings_customise_sources(
diff --git a/media_manager/indexer/config.py b/media_manager/indexer/config.py
index e7ddea2..db16423 100644
--- a/media_manager/indexer/config.py
+++ b/media_manager/indexer/config.py
@@ -35,8 +35,8 @@ class ScoringRuleSet(BaseSettings):
 
 
 class IndexerConfig(BaseSettings):
-    prowlarr: ProwlarrConfig
-    jackett: JackettConfig
+    prowlarr: ProwlarrConfig = ProwlarrConfig()
+    jackett: JackettConfig = JackettConfig()
     title_scoring_rules: list[TitleScoringRule] = []
     indexer_flag_scoring_rules: list[IndexerFlagScoringRule] = []
     scoring_rule_sets: list[ScoringRuleSet] = []
diff --git a/media_manager/metadataProvider/config.py b/media_manager/metadataProvider/config.py
index d2de74a..a8177a3 100644
--- a/media_manager/metadataProvider/config.py
+++ b/media_manager/metadataProvider/config.py
@@ -10,5 +10,5 @@ class TvdbConfig(BaseSettings):
 
 
 class MetadataProviderConfig(BaseSettings):
-    tvdb: TvdbConfig
-    tmdb: TmdbConfig
+    tvdb: TvdbConfig = TvdbConfig()
+    tmdb: TmdbConfig = TmdbConfig()
diff --git a/media_manager/notification/config.py b/media_manager/notification/config.py
index c3da1d9..01d8d90 100644
--- a/media_manager/notification/config.py
+++ b/media_manager/notification/config.py
@@ -37,8 +37,8 @@ class PushoverConfig(BaseSettings):
 
 
 class NotificationConfig(BaseSettings):
-    smtp_config: EmailConfig
-    email_notifications: EmailNotificationsConfig
-    gotify: GotifyConfig
-    ntfy: NtfyConfig
-    pushover: PushoverConfig
+    smtp_config: EmailConfig = EmailConfig()
+    email_notifications: EmailNotificationsConfig = EmailNotificationsConfig()
+    gotify: GotifyConfig = GotifyConfig()
+    ntfy: NtfyConfig = NtfyConfig()
+    pushover: PushoverConfig = PushoverConfig()
diff --git a/media_manager/torrent/config.py b/media_manager/torrent/config.py
index c95904e..1f23dea 100644
--- a/media_manager/torrent/config.py
+++ b/media_manager/torrent/config.py
@@ -30,6 +30,6 @@ class SabnzbdConfig(BaseSettings):
 
 
 class TorrentConfig(BaseSettings):
-    qbittorrent: QbittorrentConfig
-    transmission: TransmissionConfig
-    sabnzbd: SabnzbdConfig
+    qbittorrent: QbittorrentConfig = QbittorrentConfig()
+    transmission: TransmissionConfig = TransmissionConfig()
+    sabnzbd: SabnzbdConfig = SabnzbdConfig()