diff --git a/backend/Dockerfile b/backend/Dockerfile
index 7e54258..c844346 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,24 +1,26 @@
-# ── Stage 1: Install ──────────────────────────────────
-FROM node:20-alpine AS deps
+# Pre-requisite: run ./scripts/docker-prep.sh to pack @bytelyst/* tarballs
+# ── Stage 1: Build ────────────────────────────────────
+FROM node:22-alpine AS builder
 WORKDIR /app
+
 COPY package.json package-lock.json ./
-RUN npm ci --production=false
+COPY .tarballs/ ./.tarballs/
+RUN npm ci --ignore-scripts
 
-# ── Stage 2: Build ────────────────────────────────────
-FROM node:20-alpine AS build
-WORKDIR /app
-COPY --from=deps /app/node_modules ./node_modules
-COPY . .
-RUN npm run build
+COPY tsconfig.json ./
+COPY src/ ./src/
+RUN npx tsc
 
-# ── Stage 3: Runtime ──────────────────────────────────
-FROM node:20-alpine AS runtime
+# ── Stage 2: Runtime ──────────────────────────────────
+FROM node:22-alpine
 WORKDIR /app
 ENV NODE_ENV=production
 
-COPY --from=build /app/dist ./dist
-COPY --from=deps /app/node_modules ./node_modules
-COPY package.json ./
+COPY package.json package-lock.json ./
+COPY .tarballs/ ./.tarballs/
+RUN npm ci --omit=dev --ignore-scripts
+
+COPY --from=builder /app/dist ./dist
 
 EXPOSE 4016