FROM node:20-alpine

WORKDIR /app

# Copy package files first for better layer caching
COPY package.json package-lock.json* ./

RUN npm ci --omit=dev

# Copy the rest of the application
COPY server.js ./
COPY public/ ./public/
COPY assets/ ./assets/

# Create data directory for the database
RUN mkdir -p /app/data

EXPOSE 3000

CMD ["node", "server.js"]