Update Dockerfile

Dockerfile

@@ -1,34 +1,37 @@
-# Use Python + Node
 FROM python:3.10-slim
 
 # System deps
-RUN apt-get update && apt-get install -y curl build-essential gnupg && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && \
+    apt-get install -y curl build-essential gnupg && \
+    rm -rf /var/lib/apt/lists/*
 
-# Install Node.js (v20 LTS) + pnpm
-RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
-    && apt-get install -y nodejs \
-    && npm install -g pnpm
+# Node + pnpm
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y nodejs && \
+    npm install -g pnpm
 
-# Set environment
 ENV PATH="/root/.local/share/pnpm:${PATH}"
-WORKDIR /app
 
-# Copy backend
-COPY main.py model.py requirements.txt /app/
+WORKDIR /app
 
-# Install Python dependencies
+# Python deps
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy frontend
-COPY UI /app/UI
+# Frontend deps
+COPY UI/package.json UI/pnpm-lock.yaml ./UI/
 WORKDIR /app/UI
+RUN pnpm install --frozen-lockfile
 
-# Install frontend dependencies
-RUN pnpm install
+# Source code (changes most often)
+WORKDIR /app
+COPY main.py model.py ./
+COPY UI ./UI
+
+# Build frontend
+WORKDIR /app/UI
 RUN pnpm build
 
-# Expose ports
 EXPOSE 8000 7860
 
-# Run both backend & frontend
 CMD sh -c "cd /app && uvicorn main:app --host 0.0.0.0 --port 8000 & cd /app/UI && pnpm start -p 7860"