chore: add Dockerfile and nginx config for Coolify

Dockerfile

@@ -0,0 +1,27 @@
+# syntax=docker/dockerfile:1.7
+
+FROM node:24-alpine AS build
+WORKDIR /app
+
+RUN corepack enable
+
+COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY . .
+RUN pnpm run build
+
+
+FROM nginx:1.27-alpine AS runtime
+
+RUN rm /etc/nginx/conf.d/default.conf
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget -qO- http://127.0.0.1/healthz || exit 1
+
+CMD ["nginx", "-g", "daemon off;"]