diff --git a/docker/Dockerfile b/docker/Dockerfile
index 11dfcd7..4076c01 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,25 +1,23 @@
 # Multi-stage: frontend-bygge -> backend-deps -> slim runtime (arm64 på Pi5)
+# OBS: trixie (glibc 2.41), inte bookworm — better-sqlite3:s bundlade
+# arm64-prebuild kräver GLIBC >= 2.38 och paketet har inget install-script,
+# så source-build går inte att tvinga via npm ci.
 ARG BUILD_CPUS=2
 
-FROM node:22-slim AS frontend
+FROM node:22-trixie-slim AS frontend
 WORKDIR /f
 COPY frontend/package.json frontend/package-lock.json ./
 RUN npm ci --no-audit --no-fund
 COPY frontend/ ./
 RUN npm run build
 
-FROM node:22-slim AS backend
-# python3/make/g++ för att kompilera better-sqlite3 från källkod —
-# prebuilt-binären kräver glibc 2.38 men bookworm har 2.36 (lastar annars
-# inte i runtime: "GLIBC_2.38 not found")
-RUN apt-get update && apt-get install -y --no-install-recommends python3 make g++ \
-  && rm -rf /var/lib/apt/lists/*
+FROM node:22-trixie-slim AS backend
 WORKDIR /app
 COPY backend/package.json backend/package-lock.json ./
-RUN npm_config_build_from_source=true npm ci --omit=dev --no-audit --no-fund
+RUN npm ci --omit=dev --no-audit --no-fund
 COPY backend/src ./src
 
-FROM node:22-slim
+FROM node:22-trixie-slim
 ENV NODE_ENV=production
 WORKDIR /app
 COPY --from=backend /app ./