FROM node:20-slim

WORKDIR /app

# Copy package files from nested directory
COPY frontend/frontend/package*.json ./

# Install dependencies
RUN npm install

# Copy application code
COPY frontend/frontend ./

# Default port (can be overridden via environment variable)
ARG PORT=3000
ENV PORT=${PORT}

# Expose Vite dev server port
EXPOSE ${PORT}

# Run dev server with host 0.0.0.0 to allow access from outside container
CMD ["npm", "run", "dev", "--", "--host", "0.0.0.0"]