restructure backend

dockerfile

@@ -11,14 +11,22 @@ RUN apt-get update && apt-get install -y \
 RUN curl -fsSL https://bun.sh/install | bash
 ENV PATH="/root/.bun/bin:${PATH}"
 
+# --- Upgrade pip ---
+RUN pip3 install --upgrade pip
+
 # --- Install Python dependencies ---
 RUN pip3 install --upgrade pip
-RUN pip3 install torch --index-url https://download.pytorch.org/whl/cpu
-RUN pip3 install --no-cache-dir fastapi uvicorn pillow open-clip-torch numpy faiss-cpu python-multipart
+RUN pip3 install fastapi uvicorn pillow torch open-clip-torch numpy faiss-cpu python-multipart
+
+# --- Set working directory ---
+WORKDIR /app
+
+# --- Create directories for external data ---
+RUN mkdir -p /images/cards /faiss
 
 # --- Copy project files ---
 WORKDIR /app
-COPY python_service ./python_service
+COPY python_service/app.py ./python_service/app.py
 COPY src ./src
 COPY package.json .
 COPY bun.lock .
@@ -26,6 +34,10 @@ COPY bun.lock .
 # --- Expose ports ---
 EXPOSE 3000
 
+# --- Environment variables for external paths ---
+ENV IMAGES_DIR=/images/cards
+ENV FAISS_DIR=/faiss
+
 # --- Start services ---
-# Use & to run Python worker in background, Bun frontend as main process
+# Python FAISS worker runs in background, Bun frontend as main process
 CMD python3 python_service/app.py & bun run src/index.ts