FROM node:20-slim

WORKDIR /app

# Install dependencies first (better caching)
COPY package*.json ./
RUN npm ci --only=production

# Copy application code
COPY . .

# Create data directory for persistent storage
RUN mkdir -p /data

# Environment variables
ENV PORT=8080
ENV NODE_ENV=production
ENV DATABASE_PATH=/data/app.db

EXPOSE 8080

# Start the application
CMD ["node", "index.js"]