diff --git a/Dockerfile b/Dockerfile
index 8225ac6..425f512 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,10 +20,11 @@ ENV NEXT_PUBLIC_BUILD_DATE=${NEXT_PUBLIC_BUILD_DATE}
 ENV NEXT_TELEMETRY_DISABLED=1
 RUN COMMIT=$(git rev-parse --short HEAD 2>/dev/null || echo "${NEXT_PUBLIC_BUILD_HASH}") && \
     DATE=$(date -u +%Y-%m-%d) && \
-    echo "NEXT_PUBLIC_BUILD_HASH=${COMMIT}" > .env.production.local && \
-    echo "NEXT_PUBLIC_BUILD_DATE=${DATE}" >> .env.production.local && \
-    cat .env.production.local && \
-    npm run build
+    printf 'NEXT_PUBLIC_BUILD_HASH=%s\nNEXT_PUBLIC_BUILD_DATE=%s\n' "${COMMIT}" "${DATE}" > .env.production.local && \
+    echo "--- .env.production.local ---" && cat .env.production.local && echo "--- end ---" && \
+    npm run build && \
+    echo "--- Built. HASH inlined? ---" && \
+    grep -o 'NEXT_PUBLIC_BUILD_HASH[^"]*' .next/server/app/[lang]/projects/[slug]/page.js 2>/dev/null | head -1 || true
 
 FROM node:22.13-bookworm-slim AS runner
 WORKDIR /app