Add PM2 deployment support

tests/auth-service.test.ts

@@ -20,6 +20,36 @@ afterEach(async () => {
 })
 
 describe('AuthService', () => {
+  it('creates the initial administrator only when the database is empty', async () => {
+    const directory = await mkdtemp(join(tmpdir(), 'product-issue-auth-'))
+    directories.push(directory)
+    const database = openDatabase(join(directory, 'database.sqlite'))
+    databases.push(database)
+    const auth = new AuthService(database, 'secret', 60 * 60 * 1_000)
+
+    await expect(
+      auth.createInitialAdmin({
+        email: 'first@example.com',
+        displayName: 'First admin',
+        password: 'first secure password'
+      })
+    ).resolves.toBe(true)
+    await expect(
+      auth.createInitialAdmin({
+        email: 'second@example.com',
+        displayName: 'Second admin',
+        password: 'second secure password'
+      })
+    ).resolves.toBe(false)
+
+    await expect(
+      auth.login('first@example.com', 'first secure password')
+    ).resolves.toMatchObject({ displayName: 'First admin' })
+    await expect(
+      auth.login('second@example.com', 'second secure password')
+    ).resolves.toBeUndefined()
+  })
+
   it('invalidates existing sessions when an administrator is reset', async () => {
     const directory = await mkdtemp(join(tmpdir(), 'product-issue-auth-'))
     directories.push(directory)