feat: implement the possibility to add tls (#4456)

Signed-off-by: Wim de Groot <34519486+wim-de-groot@users.noreply.github.com>

docs/docs/documentation/getting-started/installation/backend-config.md

@@ -61,6 +61,15 @@ Changing the webworker settings may cause unforeseen memory leak issues with Mea
 | --------------- | :-----: | ----------------------------------------------------------------------------- |
 | UVICORN_WORKERS |    1    | Sets the number of workers for the web server. [More info here][unicorn_workers] |
 
+### TLS
+
+Use this only when mealie is run without a webserver or reverse proxy.
+
+| Variables            | Default | Description              |
+| -------------------- | :-----: | ------------------------ |
+| TLS_CERTIFICATE_PATH |  None   | File path to Certificate |
+| TLS_PRIVATE_KEY_PATH |  None   | File path to private key |
+
 ### LDAP
 
 | Variables            | Default | Description                                                                                                                         |

mealie/core/settings/settings.py

@@ -353,6 +353,15 @@ class AppSettings(AppLoggingSettings):
 
     model_config = SettingsConfigDict(arbitrary_types_allowed=True, extra="allow")
 
+    # ===============================================
+    # TLS
+
+    TLS_CERTIFICATE_PATH: str | os.PathLike[str] | None = None
+    """Path where the certificate resides."""
+
+    TLS_PRIVATE_KEY_PATH: str | os.PathLike[str] | None = None
+    """Path where the private key resides."""
+
 
 def app_settings_constructor(data_dir: Path, production: bool, env_file: Path, env_encoding="utf-8") -> AppSettings:
     """

mealie/main.py

@@ -13,6 +13,8 @@ def main():
         log_config=log_config(),
         workers=settings.WORKERS,
         forwarded_allow_ips=settings.HOST_IP,
+        ssl_keyfile=settings.TLS_PRIVATE_KEY_PATH,
+        ssl_certfile=settings.TLS_CERTIFICATE_PATH,
     )