FROM node:18-alpine

# Install SQLite and other dependencies
RUN apk add --no-cache sqlite

# Create app directory
WORKDIR /usr/src/app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy app source
COPY . .

# Create directories for data and datasets
RUN mkdir -p /usr/src/app/data /usr/src/app/datasets

# Expose port
EXPOSE 3000

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