diff --git a/Dockerfile b/Dockerfile
index 67ea259..569c9b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,14 +10,14 @@ WORKDIR /app
 
 
 # -----------------------
-# Dependencies (DEV + PROD for build)
+# Install ALL dependencies (important for build)
 # -----------------------
 FROM base AS deps
 
 COPY package.json yarn.lock ./
 
-# IMPORTANT: install ALL deps (includes @nestjs/cli)
-RUN yarn install --frozen-lockfile
+# IMPORTANT: force devDependencies inclusion
+RUN yarn install --frozen-lockfile --production=false
 
 
 # -----------------------
@@ -31,7 +31,13 @@ COPY package.json yarn.lock nest-cli.json tsconfig.json tsconfig.build.json ./
 COPY --from=deps /app/node_modules ./node_modules
 COPY src ./src
 
-# Ensure Nest CLI exists via local node_modules
+# 🔥 GUARANTEE nest CLI exists (fixes your error)
+RUN yarn add -D @nestjs/cli
+
+# 🔥 SAFETY CHECK (optional but helpful)
+RUN npx nest --version
+
+# Build
 RUN yarn build \
   && mkdir -p dist/config \
   && cp src/config/swagger.json dist/config/