FROM node:20-alpine

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Create non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S rossuser -u 1001

# Change ownership of the app directory
RUN chown -R rossuser:nodejs /app
USER rossuser

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node dist/health-check.js || exit 1

# Start the application
CMD ["npm", "start"]