diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 98f340c..136b7df 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -9,8 +9,8 @@ WORKDIR /app
 # Copy package files for dependency installation
 COPY package*.json .npmrc ./
 
-# Install dependencies
-RUN npm ci --include=dev
+# Install dependencies (NODE_ENV must not be production so devDependencies are installed)
+RUN NODE_ENV=development npm ci
 
 # Copy source code
 COPY . .