add Dockerfile for building and previewing Lucide documentation

Author: gptkong

lucide-icon-docs/Dockerfile

@@ -0,0 +1,21 @@
+FROM node:22-alpine
+
+RUN apk add --no-cache git curl
+
+WORKDIR /app
+
+RUN git clone https://github.com/lucide-icons/lucide.git
+
+WORKDIR /app/lucide
+
+RUN npm install -g pnpm
+
+RUN pnpm install
+
+WORKDIR /app/lucide/docs
+
+RUN pnpm run build
+
+EXPOSE 4173
+
+CMD ["pnpm", "run", "docs:preview"]