# Build stage
FROM node:20-alpine AS builder
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy all files
COPY . .

# Build Next.js app
RUN npm run build

# Production stage
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV production

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

# Copy built application
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

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

USER nextjs

EXPOSE 3000

ENV PORT 3000

CMD ["node", "server.js"]