build(docker): add Dockerfile with nginx for production deployment

.dockerignore

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+node_modules
+dist
+coverage
+.git
+.gitignore
+Dockerfile
+docker-compose*.yml
+*.md

Dockerfile

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+FROM node:22-alpine AS build
+
+WORKDIR /app
+
+RUN corepack enable
+
+COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY public ./public
+COPY . .
+
+RUN pnpm build
+
+FROM nginx:1.27-alpine AS production
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

nginx.conf

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+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript image/svg+xml;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    location ~* \.(?:js|css|png|jpg|jpeg|gif|svg|ico|woff2?)$ {
+        expires 30d;
+        add_header Cache-Control "public, immutable";
+        try_files $uri =404;
+    }
+}