Dockerfile and nginx added

Dockerfile

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+FROM node:lts-alpine AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm install --legacy-peer-deps # or yarn install
+COPY . .
+RUN npm run build --prod
+
+FROM nginx:alpine
+RUN rm /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/dist/silly-game-frontend /usr/share/nginx/html
+COPY ./nginx.conf /etc/nginx/conf.d/my-angular-app.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

nginx.conf

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+server {
+    listen 80;
+    server_name localhost;
+
+    location / {
+        root /usr/share/nginx/html/browser; # This is crucial!
+        index index.html index.html;
+        try_files $uri $uri/ /index.html; # For Angular routing
+    }
+
+    # Optional: Add other configurations like gzip, headers, etc.
+}