# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

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

# Install pnpm
RUN npm install -g pnpm

# Install dependencies (skip build scripts - sharp will use wasm fallback)
RUN pnpm install --frozen-lockfile --ignore-scripts

# Copy source
COPY . .

# Build Next.js app
RUN pnpm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

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

# Copy built app from builder
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/public ./public

USER nextjs

EXPOSE 3000

ENV NODE_ENV=production

ENTRYPOINT ["dumb-init", "--"]
CMD ["node", "server.js"]