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9 changes: 7 additions & 2 deletions .env.example
Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,13 @@
# Application
NODE_ENV=development

# Database (Prisma + Supabase)
DATABASE_URL=postgresql://postgres:your-password@db.your-project-id.supabase.co:5432/postgres
# Database
# 開発(ローカルPostgresなど)の例:
# DATABASE_URL=postgresql://postgres:your-password@localhost:5432/postgres

# 本番(Cloudflare Workers などサーバレス環境)では Prisma Accelerate を使用してください。
# Prisma Accelerate の接続文字列 (prisma://...) を Secrets に設定します。
# DATABASE_URL=prisma://YOUR_ACCELERATE_CONNECTION_STRING

# Supabase (Frontend用)
NEXT_PUBLIC_SUPABASE_URL=https://your-project-id.supabase.co
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2 changes: 1 addition & 1 deletion backend/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@
"@cloudflare/workers-types": "^4.20241127.0",
"@types/node": "^24.7.1",
"@types/ws": "^8.18.1",
"prisma": "^6.17.0",
"prisma": "^6.19.0",
"tsx": "^4.20.6",
"wrangler": "^4.46.0"
}
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8 changes: 8 additions & 0 deletions backend/src/lib/prisma.ts
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,14 @@ function createPrismaClient() {

// 標準のPrisma Clientを使用(ローカル開発用)
console.log("[Prisma] Using standard Prisma Client");
if (process.env.NODE_ENV === "production") {
// Cloudflare Workers の本番で直接 Postgres 接続はできません。Accelerate の利用を促す警告を出します。
if (databaseUrl.startsWith("postgres://") || databaseUrl.startsWith("postgresql://")) {
console.warn(
"[Prisma] In production on Workers, use Prisma Accelerate. Set DATABASE_URL to your prisma:// connection string."
);
}
}
return new PrismaClient({
log: process.env.NODE_ENV === "development" ? ["error"] : ["error"],
});
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19 changes: 11 additions & 8 deletions backend/src/lib/supabase.ts
Original file line number Diff line number Diff line change
@@ -1,13 +1,16 @@
import { createClient } from "@supabase/supabase-js";
import { createClient, type SupabaseClient } from "@supabase/supabase-js";

// バックエンドではNEXT_PUBLIC_プレフィックスなしの環境変数も使用可能
const supabaseUrl =
process.env.SUPABASE_URL || process.env.NEXT_PUBLIC_SUPABASE_URL;
const supabaseAnonKey =
process.env.SUPABASE_ANON_KEY || process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;
const supabaseUrl = process.env.SUPABASE_URL || process.env.NEXT_PUBLIC_SUPABASE_URL;
const supabaseAnonKey = process.env.SUPABASE_ANON_KEY || process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;

if (!supabaseUrl || !supabaseAnonKey) {
throw new Error("Missing Supabase environment variables");
// 環境変数が無い場合でもアプリ全体が落ちないよう、null を返す
let client: SupabaseClient | null = null;
if (supabaseUrl && supabaseAnonKey) {
client = createClient(supabaseUrl, supabaseAnonKey);
} else {
// 本番環境で匿名サインインが不要な場合に備え、警告ログのみに留める
console.warn("[Supabase] Missing SUPABASE_URL/ANON_KEY. Anonymous auth will be skipped.");
}

export const supabase = createClient(supabaseUrl, supabaseAnonKey);
export const supabase = client;
2 changes: 1 addition & 1 deletion backend/src/routes/modules/sessions.routes.ts
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ sessions.post("/", async (c) => {

let userId: string | undefined = existingUserId;

if (!userId) {
if (!userId && supabase) {
// Try to create anonymous user (best-effort). If it fails, proceed without userId.
try {
const { data, error } = await supabase.auth.signInAnonymously();
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14 changes: 14 additions & 0 deletions docs/setup.md
Original file line number Diff line number Diff line change
Expand Up @@ -39,3 +39,17 @@ cd ..
1. [Supabase](https://supabase.com/)でプロジェクトを作成
2. SQL Editor で[docs/database-schema.md](docs/database-schema.md)の SQL を実行
3. フロントエンドの`.env`に認証情報を追加

### Cloudflare Workers 本番での DB 接続(重要)

Cloudflare Workers などのサーバレス環境からは、PostgreSQL へ直接 TCP 接続できません。Prisma Accelerate(HTTP over Data Proxy)を使います。

手順:

1. Prisma Accelerate を有効化し、Accelerate 接続文字列(`prisma://...`)を取得
2. Cloudflare ダッシュボードの Workers → Settings → Variables/Secrets に `DATABASE_URL` として `prisma://...` を設定
3. デプロイ

コード側では `DATABASE_URL` が `prisma://` の場合に自動で Accelerate を利用します(`backend/src/lib/prisma.ts`)。

開発環境では `postgresql://...` を使ってローカル DB へ直接接続して構いません。
17 changes: 6 additions & 11 deletions pnpm-lock.yaml

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