diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 25f7cb8..602e977 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -85,7 +85,7 @@ jobs:
 
       - name: Install backend dependencies
         working-directory: ./backend
-        run: npm install
+        run: npm ci
 
       - name: Run TypeScript check
         working-directory: ./backend
diff --git a/Dockerfile b/Dockerfile
index a2418cc..0189bf0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,8 @@ COPY tsconfig.base.json ./
 COPY ecosystem.config.cjs ./
 
 # Install root dependencies
-RUN npm install --only=production
+#RUN npm install --only=production
+RUN npm ci
 
 # Copy workspace files
 COPY backend/ ./backend/
@@ -30,7 +31,7 @@ RUN npm install --workspace=frontend
 RUN npm run build --only=production --workspace=backend
 
 # Build frontend
-RUN npm run build --workspace=frontend
+RUN npm run build --only=production --workspace=frontend
 
 # Verify Python and OR-Tools installation
 RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installed successfully')"
diff --git a/frontend/package.json b/frontend/package.json
index cb904f3..bd48498 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -7,7 +7,9 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-router-dom": "^6.28.0",
-    "date-fns": "4.1.0"
+    "date-fns": "4.1.0",
+    "@vitejs/plugin-react": "^4.3.3",
+    "vite": "^6.0.7"
   },
   "devDependencies": {
     "@types/node": "20.19.23",