diff --git a/Dockerfile b/Dockerfile
index 7a3f7fd..211c880 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,8 +8,8 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install dependencies
-RUN npm ci --only=production
+    # Install ALL dependencies (build needs devDependencies)
+    RUN npm ci
 
 # Copy source
 COPY . .