diff --git a/Dockerfile b/Dockerfile
index 51c05fa..486648c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,17 +3,22 @@ FROM node:22-alpine
 
 WORKDIR /app
 
-# Copiamos solo manifests primero para cachear deps
+# 👇 rompe cache (cambia este número si sigue cacheando)
+ARG CACHE_BUST=1
+
+# Copiamos manifests primero
 COPY package*.json ./
 
-# Instala deps (production). Cachea npm para builds siguientes.
-RUN --mount=type=cache,target=/root/.npm \
-    npm ci --omit=dev
+# 👇 DEBUG: que lo veamos en logs sí o sí
+RUN echo "CACHE_BUST=$CACHE_BUST" \
+ && ls -la \
+ && echo "---- package-lock exists? ----" \
+ && (test -f package-lock.json && echo "OK: package-lock.json found" || (echo "ERROR: package-lock.json NOT found" && exit 1))
+
+RUN --mount=type=cache,target=/root/.npm npm ci --omit=dev
 
-# Copia el resto del código
 COPY . .
 
 ENV NODE_ENV=production
 EXPOSE 3000
-
 CMD ["npm","run","start"]
\ No newline at end of file