playwright-docker-proxy.config.ts

import { defineConfig } from "@playwright/test";

/**
 * Dedicated config for issue #336 — exercises the Docker /v2/* middleware
 * proxy against a fixture HTTP backend (no real registry, no docker daemon).
 *
 * Boots two processes via `webServer`:
 *   1. The fixture HTTP server on FIXTURE_PORT (acts as the "backend").
 *   2. A real Next.js production server (next start) with BACKEND_URL
 *      pointing at the fixture, so middleware rewrites land there.
 *
 * Kept separate from playwright.config.ts because that config's webServer
 * (currently none) and project setup target the docker-compose stack with
 * the real backend; this suite intentionally bypasses the backend.
 */

const FIXTURE_PORT = Number(process.env.FIXTURE_PORT ?? 4500);
const WEB_PORT = Number(process.env.DOCKER_PROXY_WEB_PORT ?? 3001);
const BASE_URL = `http://127.0.0.1:${WEB_PORT}`;

export default defineConfig({
  testDir: "./e2e/suites/docker-proxy",
  fullyParallel: false,
  workers: 1,
  retries: process.env.CI ? 1 : 0,
  forbidOnly: !!process.env.CI,
  reporter: [["list"]],
  expect: { timeout: 10_000 },
  timeout: 30_000,
  use: {
    baseURL: BASE_URL,
    trace: "on-first-retry",
  },
  webServer: [
    {
      command: `npx tsx e2e/fixtures/run-docker-registry-fixture.ts`,
      url: `http://127.0.0.1:${FIXTURE_PORT}/__fixture/requests`,
      reuseExistingServer: !process.env.CI,
      timeout: 30_000,
      env: { FIXTURE_PORT: String(FIXTURE_PORT) },
    },
    {
      // Run the standalone server (`node .next/standalone/server.js`) — same
      // entry point the production Docker image uses. `next start` was the
      // initial choice but it explicitly does not work with
      // `output: "standalone"` (see next.config.ts) and may exercise a
      // different middleware/proxy code path than production. HOSTNAME is
      // pinned to 127.0.0.1 so the test server isn't reachable beyond
      // loopback on shared CI runners.
      command: `npm run build && node .next/standalone/server.js`,
      url: BASE_URL,
      reuseExistingServer: false,
      timeout: 240_000,
      env: {
        BACKEND_URL: `http://127.0.0.1:${FIXTURE_PORT}`,
        NODE_ENV: "production",
        PORT: String(WEB_PORT),
        HOSTNAME: "127.0.0.1",
      },
    },
  ],
});