diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a7d7163..db3cdfd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,11 +32,6 @@ jobs:
           EOF
           echo "Created .env file:" && cat .env
 
-      - name: Install dependencies
-        run: npm install
-  
-      
-
       - name: Build & Push Docker Image
         run: |
           # Nutzt den Branch-Namen aus dem auslösenden Workflow
diff --git a/Dockerfile b/Dockerfile
index 8ffb440..45aa815 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-# Use Node.js LTS image as the base
-FROM node:current-alpine
+# Stage 1: Build
+FROM node:current-alpine AS builder
 
 # Set working directory
 WORKDIR /app
@@ -7,20 +7,35 @@ WORKDIR /app
 # Copy package.json and package-lock.json
 COPY package*.json ./
 
-# Install dependencies
+# Install dependencies including development dependencies
 RUN npm install
 
 # Copy the application code
 COPY . .
 
-# Copy the .env file
-COPY .env .env
+# Install type definitions for react-responsive-masonry
+RUN npm install --save-dev @types/react-responsive-masonry
 
 # Build the Next.js application
 RUN npm run build
 
+# Stage 2: Production
+FROM node:current-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy only the necessary files from the build stage
+COPY --from=builder /app/package*.json ./
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.env .env
+
+# Install only production dependencies
+RUN npm install --only=production
+
 # Expose the port the app runs on
 EXPOSE 3000
 
 # Run the app with the start script
-CMD ["npm", "start"]
+ENTRYPOINT [ "npm", "run", "start" ]
\ No newline at end of file