added docker support

frontend/Dockerfile

@@ -0,0 +1,20 @@
+# syntax=docker/dockerfile:1
+FROM oven/bun:1-alpine AS builder
+
+WORKDIR /app
+
+COPY package.json bun.lock* package-lock.json* pnpm-lock.yaml* yarn.lock* ./
+RUN bun install --frozen-lockfile || bun install
+
+COPY . .
+RUN bun run build
+
+# ---
+FROM nginx:alpine AS runtime
+
+COPY --from=builder /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]