change

api_service.py

@@ -24,7 +24,7 @@ TOGETHER_API_KEY = os.getenv("TOGETHER_API_KEY")
 if not TOGETHER_API_KEY:
     raise ValueError("TOGETHER_API_KEY environment variable not set. Please check your .env file.")
 
-VECTOR_DB_DIR = "vector_db_chroma"
+VECTOR_DB_DIR = os.getenv("VECTOR_DB_DIR", "/data/vector_db_chroma")
 COLLECTION_NAME = "my_instrument_manual_chunks"
 
 LLM_MODEL_NAME = "meta-llama/Meta-Llama-3.1-8B-Instruct-Turbo"

dockerfile

@@ -19,7 +19,7 @@ RUN pip install --upgrade pip && pip install -r requirements.txt
 
 # 複製所有檔案（包含 build/ 資料夾）
 COPY . .
-
+RUN mkdir -p /data
 # ✅ 如果你已經事先有 build/，這行可以省略：
 # RUN cd frontend && npm install && npm run build
 

main.py

@@ -19,7 +19,7 @@ load_dotenv()
 # --- Configuration ---
 db_directory = "database"
 db_path = os.path.join(db_directory, "processed_documents.db")
-vector_db_dir = "vector_db_chroma"
+VECTOR_DB_DIR = os.getenv("VECTOR_DB_DIR", "/data/vector_db_chroma")
 collection_name = "my_instrument_manual_chunks"
 
 # Ensure TOGETHER_API_KEY is set
@@ -51,7 +51,7 @@ try:
     )
 
     # Instantiate ChromaDB client and load the collection
-    client = chromadb.PersistentClient(path=vector_db_dir)
+    client = chromadb.PersistentClient(path=VECTOR_DB_DIR)
     vectorstore = Chroma(
         client=client,
         collection_name=collection_name,