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refactor: extract @atbb/db shared package from appview
Move the Drizzle ORM schema and connection factory into packages/db
so the database layer can be shared by future consumers (firehose
consumer, admin CLI, seed scripts). Appview now depends on @atbb/db
instead of owning drizzle-orm/postgres directly. Drizzle-kit config
stays in appview (migrations are app-level concerns).
https://claude.ai/code/session_014iuD1gNMNFLYgouQ5RhkJX
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-23
+2
-1
CLAUDE.md
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-1
CLAUDE.md
···
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| Package | Description |
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|---------|-------------|
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| `@atbb/db` | Drizzle ORM schema and connection factory for PostgreSQL |
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| `@atbb/lexicon` | AT Proto lexicon definitions (YAML) + generated TypeScript types |
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| `@atbb/spike` | PDS read/write test script for validating AT Proto operations |
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**Dependency chain:** `@atbb/lexicon` builds first (generates types), then `@atbb/appview` and `@atbb/web` build in parallel. Turbo handles this via `^build`.
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**Dependency chain:** `@atbb/lexicon` and `@atbb/db` build first, then `@atbb/appview` and `@atbb/web` build in parallel. Turbo handles this via `^build`.
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## Development
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README.md
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README.md
···
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| Package | Description |
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|---------|-------------|
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| [`packages/db`](packages/db) | Drizzle ORM schema and connection factory for PostgreSQL |
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| [`packages/lexicon`](packages/lexicon) | AT Proto lexicon schemas (YAML) and generated TypeScript types |
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| [`packages/spike`](packages/spike) | PDS read/write test script |
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+1
-1
apps/appview/drizzle.config.ts
+1
-1
apps/appview/drizzle.config.ts
+2
-3
apps/appview/package.json
+2
-3
apps/appview/package.json
···
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"db:migrate": "drizzle-kit migrate"
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},
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"dependencies": {
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"@atbb/db": "workspace:*",
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"@atbb/lexicon": "workspace:*",
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"@atproto/api": "^0.15.0",
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"@atproto/common-web": "^0.4.0",
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"@hono/node-server": "^1.14.0",
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"drizzle-orm": "^0.45.1",
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"hono": "^4.7.0",
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"postgres": "^3.4.8"
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"hono": "^4.7.0"
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},
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"devDependencies": {
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"@types/node": "^22.0.0",
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apps/appview/src/db/index.ts
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apps/appview/src/db/index.ts
···
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import { drizzle } from "drizzle-orm/postgres-js";
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import postgres from "postgres";
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import * as schema from "./schema.js";
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export function createDb(databaseUrl: string) {
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const client = postgres(databaseUrl);
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return drizzle(client, { schema });
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}
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export type Database = ReturnType<typeof createDb>;
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export * from "./schema.js";
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export { createDb, type Database } from "@atbb/db";
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export * from "@atbb/db/schema";
apps/appview/src/db/schema.ts
packages/db/src/schema.ts
apps/appview/src/db/schema.ts
packages/db/src/schema.ts
+24
packages/db/package.json
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packages/db/package.json
···
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{
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"name": "@atbb/db",
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"version": "0.1.0",
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"private": true,
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"type": "module",
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"main": "./dist/index.js",
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"types": "./dist/index.d.ts",
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"exports": {
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".": "./dist/index.js",
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"./schema": "./dist/schema.js"
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},
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"scripts": {
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"build": "tsc",
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"lint": "tsc --noEmit",
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"clean": "rm -rf dist"
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},
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"dependencies": {
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"drizzle-orm": "^0.45.1",
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"postgres": "^3.4.8"
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},
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"devDependencies": {
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"typescript": "^5.7.0"
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}
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}
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packages/db/src/index.ts
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packages/db/src/index.ts
···
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import { drizzle } from "drizzle-orm/postgres-js";
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import postgres from "postgres";
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import * as schema from "./schema.js";
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export function createDb(databaseUrl: string) {
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const client = postgres(databaseUrl);
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return drizzle(client, { schema });
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}
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export type Database = ReturnType<typeof createDb>;
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export * from "./schema.js";
+8
packages/db/tsconfig.json
+8
packages/db/tsconfig.json
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-6
pnpm-lock.yaml
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-6
pnpm-lock.yaml
···
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apps/appview:
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dependencies:
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'@atbb/db':
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specifier: workspace:*
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version: link:../../packages/db
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'@atbb/lexicon':
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specifier: workspace:*
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version: link:../../packages/lexicon
···
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'@hono/node-server':
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specifier: ^1.14.0
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version: 1.19.9(hono@4.11.8)
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drizzle-orm:
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specifier: ^0.45.1
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version: 0.45.1(postgres@3.4.8)
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hono:
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specifier: ^4.7.0
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version: 4.11.8
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postgres:
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specifier: ^3.4.8
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version: 3.4.8
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devDependencies:
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'@types/node':
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specifier: ^22.0.0
···
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typed-htmx:
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specifier: ^0.3.0
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version: 0.3.1
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typescript:
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specifier: ^5.7.0
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version: 5.9.3
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packages/db:
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dependencies:
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drizzle-orm:
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specifier: ^0.45.1
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version: 0.45.1(postgres@3.4.8)
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postgres:
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specifier: ^3.4.8
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version: 3.4.8
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devDependencies:
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typescript:
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specifier: ^5.7.0
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version: 5.9.3