Add docker file and nginx config

Dockerfile

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+ARG NODE_VERSION=22.14.0
+
+FROM node:${NODE_VERSION}-alpine  AS development
+
+WORKDIR /app
+
+RUN --mount=type=cache,target=/root/.npm
+COPY package.json .
+COPY package-lock.json .
+
+RUN npm install
+
+COPY . .
+
+RUN npm run build
+
+FROM nginx:alpine AS production
+
+COPY --from=development /app/dist /usr/share/nginx/html
+
+COPY nginx/nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+ENTRYPOINT [ "nginx", "-g", "daemon off;" ]

nginx/nginx.conf

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+server {
+    listen 80;
+   
+    root /usr/share/nginx/html;
+    # Default file to serve for directory requests
+    index index.html index.htm;
+
+    location / {
+        # Try to serve the requested file directly ($uri)
+        # If it's a directory, try serving the index file ($uri/)
+        # If neither exists, fall back to serving /index.html
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Optional: Add cache control headers for static assets for better performance
+    location ~* \.(?:css|js|jpg|jpeg|gif|png|ico|svg|webp)$ {
+        expires 1y;
+        add_header Cache-Control "public";
+        access_log off; # Optional: Don't log accesses for static files
+    }
+}