Add project scaffolding and infrastructure config

pnpm monorepo with shared packages, server, and UI workspaces.
Includes Docker multi-stage build, Postgres compose, and root TypeScript/Vitest config.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.env.example

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+DATABASE_URL=postgres://paperclip:paperclip@localhost:5432/paperclip
+PORT=3100
+SERVE_UI=false

.gitignore

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+node_modules/
+dist/
+.env
+*.tsbuildinfo
+drizzle/meta/
+.vite/
+coverage/
+.DS_Store

.npmrc

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+auto-install-peers=true

Dockerfile

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+FROM node:20-alpine AS base
+RUN corepack enable
+
+FROM base AS deps
+WORKDIR /app
+COPY package.json pnpm-workspace.yaml pnpm-lock.yaml .npmrc ./
+COPY packages/shared/package.json packages/shared/
+COPY packages/db/package.json packages/db/
+COPY server/package.json server/
+COPY ui/package.json ui/
+RUN pnpm install --frozen-lockfile
+
+FROM base AS build
+WORKDIR /app
+COPY --from=deps /app/node_modules node_modules
+COPY --from=deps /app/packages/shared/node_modules packages/shared/node_modules
+COPY --from=deps /app/packages/db/node_modules packages/db/node_modules
+COPY --from=deps /app/server/node_modules server/node_modules
+COPY --from=deps /app/ui/node_modules ui/node_modules
+COPY . .
+RUN pnpm --filter @paperclip/ui build
+RUN pnpm --filter @paperclip/server build
+
+FROM base AS production
+WORKDIR /app
+COPY --from=deps /app/node_modules node_modules
+COPY --from=deps /app/packages/shared/node_modules packages/shared/node_modules
+COPY --from=deps /app/packages/db/node_modules packages/db/node_modules
+COPY --from=deps /app/server/node_modules server/node_modules
+COPY --from=build /app/packages/shared packages/shared
+COPY --from=build /app/packages/db packages/db
+COPY --from=build /app/server/dist server/dist
+COPY --from=build /app/server/package.json server/package.json
+COPY --from=build /app/ui/dist ui/dist
+COPY package.json pnpm-workspace.yaml ./
+
+EXPOSE 3100
+CMD ["node", "server/dist/index.js"]

docker-compose.yml

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+services:
+  db:
+    image: postgres:17-alpine
+    environment:
+      POSTGRES_USER: paperclip
+      POSTGRES_PASSWORD: paperclip
+      POSTGRES_DB: paperclip
+    ports:
+      - "5432:5432"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+
+  server:
+    build: .
+    ports:
+      - "3100:3100"
+    environment:
+      DATABASE_URL: postgres://paperclip:paperclip@db:5432/paperclip
+      PORT: "3100"
+      SERVE_UI: "true"
+    depends_on:
+      - db
+
+volumes:
+  pgdata:

package.json

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+{
+  "name": "paperclip",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "pnpm run --parallel dev:server dev:ui",
+    "dev:server": "pnpm --filter @paperclip/server dev",
+    "dev:ui": "pnpm --filter @paperclip/ui dev",
+    "build": "pnpm -r build",
+    "typecheck": "pnpm -r typecheck",
+    "test": "vitest",
+    "test:run": "vitest run",
+    "db:generate": "pnpm --filter @paperclip/db generate",
+    "db:migrate": "pnpm --filter @paperclip/db migrate"
+  },
+  "devDependencies": {
+    "typescript": "^5.7.3",
+    "vitest": "^3.0.5"
+  },
+  "engines": {
+    "node": ">=20"
+  },
+  "packageManager": "pnpm@9.15.4"
+}

pnpm-workspace.yaml

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+packages:
+  - packages/*
+  - server
+  - ui

tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2023",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "outDir": "dist",
+    "rootDir": "src",
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true
+  }
+}

vitest.config.ts

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+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    projects: ["packages/db", "server", "ui"],
+  },
+});