feat: docker deployment with compose quickstart

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+server/dist
+web/dist
+data
+.git
+.gitignore
+*.log
+.DS_Store

Dockerfile

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+# ---- build stage: deps + compile + test ----
+FROM node:22-slim AS build
+WORKDIR /app
+
+# Install build tools as a fallback for native modules without prebuilds
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends python3 make g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY tsconfig.json vitest.config.ts ./
+COPY server ./server
+RUN npm run build:server && npm test
+
+# ---- runtime stage ----
+FROM node:22-slim
+ENV NODE_ENV=production
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/server/dist ./server/dist
+
+ENV PORT=3000
+ENV DATA_DIR=/data
+VOLUME /data
+EXPOSE 3000
+
+CMD ["node", "server/dist/index.js"]

README.md

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 # record-shop
 
-Easily manage a physical collection of music.
+Easily manage a physical collection of music.
+
+Scan barcodes with your phone to catalogue vinyl, CDs and cassettes, pull
+metadata from Discogs, and see what you have (and haven't) ripped into your
+Subsonic-compatible music server (Navidrome, Gonic, Airsonic, LMS, …).
+
+## Quickstart
+
+```bash
+docker compose up -d
+```
+
+Open <http://localhost:3000>, create the admin account, then add your Discogs
+token and (optionally) your Subsonic server details in Settings.
+
+- Data lives in `./data` (SQLite database + cached cover art).
+- Configure via env if you prefer: `PORT`, `DATA_DIR`.
+
+## Development
+
+```bash
+npm install
+npm test          # vitest
+npm run dev:server
+```
+
+Spec: `docs/superpowers/specs/2026-08-29-record-shop-design.md`

docker-compose.yml

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+services:
+  record-shop:
+    build: .
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./data:/data
+    restart: unless-stopped