# Build stage
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package.json package-lock.json ./

# Install dependencies
RUN npm ci

# Copy all source files
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS runner

# Set working directory
WORKDIR /app

# Set environment to production
ENV NODE_ENV=production

# Create a non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy necessary files from builder
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Change ownership to nextjs user
RUN chown -R nextjs:nodejs /app

# Switch to nextjs user
USER nextjs

# Expose port 3000
EXPOSE 3000

# Set hostname
ENV HOSTNAME="0.0.0.0"

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