Add support for running the server with SSL (abetlen#994)

Author: rgerganov

llama_cpp/server/__main__.py

@@ -96,5 +96,6 @@ def parse_bool_arg(arg):
     app = create_app(settings=settings)
 
     uvicorn.run(
-        app, host=os.getenv("HOST", settings.host), port=int(os.getenv("PORT", settings.port))
+        app, host=os.getenv("HOST", settings.host), port=int(os.getenv("PORT", settings.port)),
+        ssl_keyfile=settings.ssl_keyfile, ssl_certfile=settings.ssl_certfile
     )

llama_cpp/server/app.py

@@ -150,6 +150,13 @@ class Settings(BaseSettings):
     # Server Params
     host: str = Field(default="localhost", description="Listen address")
     port: int = Field(default=8000, description="Listen port")
+    # SSL Params
+    ssl_keyfile: Optional[str] = Field(
+        default=None, description="SSL key file for HTTPS"
+    )
+    ssl_certfile: Optional[str] = Field(
+        default=None, description="SSL certificate file for HTTPS"
+    )
     interrupt_requests: bool = Field(
         default=True,
         description="Whether to interrupt requests when a new request is received.",