diff --git a/Dockerfile b/Dockerfile
index 6056be468b..cc82a141dc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,8 +38,13 @@ RUN --mount=type=cache,target=/root/.npm \
   && npm rebuild better-sqlite3 \
   && node -e "require('better-sqlite3')(':memory:').close()"
 
-# Use Turbopack for significant build speedup
-ENV OMNIROUTE_USE_TURBOPACK=1
+# Build with webpack (stable). Turbopack hit a non-recoverable internal panic on this
+# Next.js version during the v3.8.27 release build — TurbopackInternalError "entered
+# unreachable code: there must be a path to a root" in ImportTracer::get_traces, on both
+# linux/amd64 and linux/arm64. Webpack is the proven engine (build:release / VPS / CI Build
+# all green). Re-enable Turbopack (=1) once the upstream tracer bug is fixed.
+# See docs/ops/QUALITY_GATE_PLAYBOOK.md Parte 6.
+ENV OMNIROUTE_USE_TURBOPACK=0
 
 COPY . ./
 RUN --mount=type=cache,target=/app/.build/next/cache \