FROM node:20-alpine AS base

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Set working directory
WORKDIR /app

FROM base AS deps
# Copy package files
COPY package.json pnpm-lock.yaml* ./
RUN pnpm install --frozen-lockfile

FROM base AS builder
# Copy node_modules from deps stage
COPY --from=deps /app/node_modules ./node_modules

# Copy all source files
COPY . .

# Build the Next.js application
RUN pnpm build

FROM base AS runner
ENV NODE_ENV=production
ENV PORT=805
ENV HOSTNAME="0.0.0.0"

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

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

USER nextjs

EXPOSE 805

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