diff --git a/Containerfile b/Containerfile
index 1f814b7..2e1b833 100644
--- a/Containerfile
+++ b/Containerfile
@@ -12,6 +12,7 @@ RUN npm ci
 COPY . .
 
 RUN printf '%s' "${WEBMENTION_TOKEN}" > /app/.webmention-token
+RUN echo "TOKEN FILE:" && ls -la /app/.webmention-token && wc -c /app/.webmention-token
 
 RUN npm run build