ADD: Set up Docker environment with Dockerfile and nginx configuration

Dockerfile

@@ -0,0 +1,16 @@
+FROM node:22-alpine AS build
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci
+
+COPY . .
+RUN npm run build
+
+FROM nginxinc/nginx-unprivileged:1.27-alpine AS runtime
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 8000
+
+CMD ["nginx", "-g", "daemon off;"]