FROM node:18-alpine

# Set working directory
WORKDIR /app

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

# Install dependencies with npm ci for production builds
RUN npm ci --only=production && npm cache clean --force

# Copy source code
COPY . .

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nextjs -u 1001

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

# Expose port
EXPOSE 8083

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:8083/health || exit 1

# Start the application in development mode
CMD ["npm", "run", "dev"]