restore composer.json, add mysqli extension

Dockerfile

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+# ─── Stage 1: deps ───────────────────────────────────────────────────────────
+FROM node:22-alpine AS deps
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+WORKDIR /app
+
+COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
+RUN pnpm install --frozen-lockfile
+
+# ─── Stage 2: builder ────────────────────────────────────────────────────────
+FROM node:22-alpine AS builder
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+WORKDIR /app
+
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Build-time env (optional — override at runtime via docker-compose)
+ARG API_URL
+ENV API_URL=${API_URL}
+
+RUN pnpm build
+
+# ─── Stage 3: runner (production) ────────────────────────────────────────────
+FROM node:22-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=3000
+ENV HOSTNAME=0.0.0.0
+
+# Security: run as non-root user
+RUN addgroup --system --gid 1001 nodejs \
+ && adduser  --system --uid 1001 nextjs
+
+# Copy only what's needed to run
+COPY --from=builder /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 3000
+
+CMD ["node", "server.js"]