Sửa api_requirements

Dockerfile

@@ -3,8 +3,8 @@ FROM python:3.11-slim
 WORKDIR /app
 
 # Cache dependency layer riêng
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+COPY api_requirements.txt .
+RUN pip install --no-cache-dir -r api_requirements.txt
 
 # Copy toàn bộ src/ vào /app/src/ để giữ nguyên "from src.xxx" import paths
 COPY . ./src/

requirements.txt → api_requirements.txt

@@ -1,6 +1,4 @@
-openai>=1.50.0
 python-dotenv>=1.0.0
-httpx>=0.27.0
 pydantic>=2.0.0
 langchain-google-genai
 langchain-core>=0.3.0
@@ -12,4 +10,5 @@ requests>=2.31.0
 beautifulsoup4>=4.12.0
 fastapi>=0.115.0
 uvicorn[standard]>=0.30.0
+python-multipart>=0.0.9
 pdfplumber>=0.11.0