Dockerfile.fixed

# Multi-stage Dockerfile for UTracker

# Stage 1: Build the frontend
FROM node:18-alpine AS frontend-builder

WORKDIR /app/frontend

# Copy frontend package files
COPY frontend/package*.json ./

# Install frontend dependencies
RUN npm cache clean --force && npm install --force

# Copy frontend source code
COPY frontend/ .

# Build the frontend
RUN npm run build

# Stage 2: Build the backend
FROM python:3.11-slim AS backend-builder

WORKDIR /app/backend

# Install system dependencies
RUN apt-get update && apt-get install -y gcc && rm -rf /var/lib/apt/lists/*

# Copy backend requirements
COPY backend/requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && pip install --no-cache-dir -r requirements.txt

# Stage 3: Production backend image
FROM python:3.11-slim AS backend

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y gcc && rm -rf /var/lib/apt/lists/*

# Copy backend code
COPY backend/ .

# Copy both installed Python packages and executables from builder stage
COPY --from=backend-builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=backend-builder /usr/local/bin /usr/local/bin

# Expose port for the backend
EXPOSE 8001

# Start the backend server
CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "8001"]

# Stage 4: Production frontend image
FROM nginx:alpine AS frontend

# Copy nginx configuration
COPY frontend/nginx.conf /etc/nginx/nginx.conf

# Copy built frontend files
COPY --from=frontend-builder /app/frontend/build /usr/share/nginx/html

# Expose port for the frontend
EXPOSE 80

# Default command for nginx
CMD ["nginx", "-g", "daemon off;"]