Fixes?

qr-api/Dockerfile

@@ -1,4 +1,4 @@
-# Use Debian-based image so better-sqlite3 prebuilds (glibc) work; Alpine/musl has no prebuilds.
+# Build stage: compile app and native deps (better-sqlite3) for target platform.
 FROM node:20-bookworm-slim AS builder
 RUN corepack enable && corepack prepare pnpm@latest --activate
 WORKDIR /app
@@ -6,13 +6,14 @@ COPY package.json pnpm-lock.yaml* ./
 RUN pnpm install
 COPY . .
 RUN pnpm run build
+RUN pnpm prune --prod
 
+# Runtime: copy built artifacts and node_modules (with compiled better_sqlite3.node).
 FROM node:20-bookworm-slim
-RUN corepack enable && corepack prepare pnpm@latest --activate
 WORKDIR /app
 ENV NODE_ENV=production
-COPY package.json pnpm-lock.yaml* ./
-RUN pnpm install --prod
+COPY package.json ./
+COPY --from=builder /app/node_modules ./node_modules
 COPY --from=builder /app/dist ./dist
 EXPOSE 8080
 CMD ["node", "dist/index.js"]