Initial commit: WebGPU portfolio — generative-art site with DOM overlay

README.md

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+# WebGPU Portfolio
+
+Generative-art portfolio site. WebGPU canvas background, DOM overlay UI.
+
+## Dev
+
+```bash
+npm install
+npm run dev        # vite dev server (opens browser)
+npm run typecheck  # tsc --noEmit
+npm run build      # typecheck + vite build → dist/
+npm run preview    # serve built dist/
+```
+
+## Docker
+
+```bash
+# Build
+docker build -t webgpu-portfolio .
+
+# Run (foreground)
+docker run --rm -p 8080:80 webgpu-portfolio
+
+# Run (detached)
+docker run -d -p 8080:80 --name portfolio webgpu-portfolio
+
+# Compose
+docker compose up -d
+```
+
+Site at `http://localhost:8080`.
+
+### Smoke test
+
+```bash
+docker run -d -p 8080:80 --name portfolio-test webgpu-portfolio
+curl -sSf http://localhost:8080/ > /dev/null && echo "OK"
+curl -sSf http://localhost:8080/assets/ | head -1     # should 200 (hashed JS)
+docker stop portfolio-test
+```
+
+### Image size
+
+~6 MB (nginx:alpine-slim + static dist). Multi-stage build — Node build layer is discarded.