chore: Update Dockerfile and docker-compose.yml for Gradio server port configuration

Dockerfile

@@ -9,5 +9,6 @@ RUN uv pip install -r requirements.txt
 COPY . .
 
 ENV GRADIO_SERVER_NAME="0.0.0.0"
+ENV GRADIO_SERVER_PORT="8080"
 
 CMD .venv/bin/python main.py

docker-compose.yml

@@ -2,7 +2,7 @@ services:
   web:
     build: .
     ports:
-      - "8080:7860"
+      - "8080:8080"
     environment:
       GEMINI_API_KEY: ${GEMINI_API_KEY}
     

main.py

@@ -65,6 +65,9 @@ def get_mp3(text: str, voice: str, api_key: str = None) -> bytes:
 
 def generate_audio(file: bytes, openai_api_key: str) -> bytes:
 
+    if not os.getenv("OPENAI_API_KEY", openai_api_key):
+        raise gr.Error("OpenAI API key is required")
+
     reader = PdfReader(io.BytesIO(file))
     text = "\n\n".join([page.extract_text() for page in reader.pages])