diff --git a/Dockerfile b/Dockerfile
index 6a44f88..6fb5c45 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,8 @@ COPY package*.json ./
 RUN npm ci --omit=dev --no-audit --no-fund
 COPY --from=build /app/dist ./dist
 COPY server ./server
+COPY --from=build /app/src/lib/timetable.mjs /app/src/lib/weather.mjs ./src/lib/
+RUN node --input-type=module -e "await import('./server/index.mjs')"
 USER node
 EXPOSE 5180
 HEALTHCHECK --interval=30s --timeout=5s CMD node -e "fetch('http://127.0.0.1:5180/healthz').then(r => process.exit(r.ok ? 0 : 1)).catch(() => process.exit(1))"