Update Dockerfile and refactor FastAPI routers for consistency

Dockerfile

@@ -9,6 +9,7 @@ WORKDIR /app
 
 # Create a cache directory and set permissions
 RUN mkdir -p /app/cache && chmod -R 777 /app/cache
+RUN mkdir -p /app/cache && chmod -R 777 /nltk_data
 
 # Install requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt

app/main.py

@@ -7,8 +7,8 @@ from router import content, mail
 
 app = FastAPI(docs_url="/")
 
-app.include_router(content.router, tags=["content"])
-app.include_router(mail.router, tags=["mail"])
+app.include_router(content.router)
+app.include_router(mail.router)
 
 origins = [
     "*"

app/router/content.py

@@ -4,7 +4,7 @@ from fastapi.responses import StreamingResponse
 from schema import ReqData
 from utils import generate
 
-router = APIRouter()
+router = APIRouter(tags=["content"])
 
 @router.post("/stream")
 async def stream(query: ReqData):

app/router/mail.py

@@ -3,7 +3,7 @@ from fastapi import APIRouter
 from fastapi.responses import JSONResponse
 from controllers import mail
 
-router = APIRouter(prefix="/mail", tags=["Mail"])
+router = APIRouter(prefix="/mail", tags=["mail"])
 
 @router.post("")
 def collect():