WIP: environment cleanup (#19)

* removed env var usage from SDK services

* started consolidating configure.py

* 1–3 work

* cleaned up the rest

* more cleanup

* cleanup and 05 tinkering

* made fal keys optional

src/dailyai/services/deepgram_ai_services.py

@@ -9,11 +9,11 @@ from dailyai.services.ai_services import TTSService
 
 
 class DeepgramTTSService(TTSService):
-    def __init__(self, aiohttp_session, speech_key=None, voice=None):
+    def __init__(self, *, aiohttp_session, api_key, voice="alpha-asteria-en-v2"):
         super().__init__()
 
-        self._voice = voice or os.getenv("DEEPGRAM_VOICE") or "alpha-asteria-en-v2"
-        self._speech_key = speech_key or os.getenv("DEEPGRAM_API_KEY")
+        self._voice = voice
+        self._api_key = api_key
         self._aiohttp_session = aiohttp_session
 
     def get_mic_sample_rate(self):
@@ -23,7 +23,7 @@ class DeepgramTTSService(TTSService):
         self.logger.info(f"Running deepgram tts for {sentence}")
         base_url = "https://api.beta.deepgram.com/v1/speak"
         request_url = f"{base_url}?model={self._voice}&encoding=linear16&container=none&sample_rate=16000"
-        headers = {"authorization": f"token {self._speech_key}"}
+        headers = {"authorization": f"token {self._api_key}"}
         body = {"text": sentence}
         async with self._aiohttp_session.post(request_url, headers=headers, json=body) as r:
             async for data in r.content: