add Dockerfile

Dockerfile

@@ -0,0 +1,32 @@
+# Stage 1: Build the app
+FROM node:24 AS builder
+
+WORKDIR /app
+
+# Install pnpm globally
+RUN npm install pnpm --global
+
+# Copy relevant files
+COPY pnpm-workspace.yaml ./
+COPY package.json pnpm-lock.yaml ./
+COPY packages/ ./packages/
+COPY website/package.json ./website/
+COPY website/ ./website/
+COPY jsdoc/ ./jsdoc/
+COPY my-patterns/ ./my-patterns/
+
+# Install dependencies and build production assets
+RUN pnpm install
+RUN pnpm build
+
+# Stage 2: Serve the built app using nginx
+FROM nginx:alpine AS production
+
+# Copy built static files from builder stage
+COPY --from=builder /app/website/dist /usr/share/nginx/html
+
+# Expose port 80
+EXPOSE 80
+
+# Start nginx service
+CMD ["nginx", "-g", "daemon off;"]