fix(docker): preserve resource containers during cleanup

app/Actions/Server/CleanupDocker.php

@@ -161,7 +161,7 @@ class CleanupDocker implements ShouldBeUnique
         );
 
         $commands = [
-            'docker container prune -f --filter "label=coolify.managed=true" --filter "label!=coolify.proxy=true" --filter "label!=coolify.type=database" --filter "label!=coolify.type=application" --filter "label!=coolify.type=service"',
+            $this->buildContainerPruneCommand(),
             $imagePruneCmd,
             'docker builder prune -af',
             "docker run --rm -v {$buildxMetadataVolume}:/root/.docker/buildx -v /var/run/docker.sock:/var/run/docker.sock {$helperImageWithVersion} docker buildx prune --builder coolify-railpack -af 2>/dev/null || true",
@@ -207,6 +207,20 @@ class CleanupDocker implements ShouldBeUnique
         return instant_remote_process([$command], $server, false, timeout: $remaining);
     }
 
+    /**
+     * Build a command that removes stopped Coolify containers, except the proxy and the
+     * containers of databases, applications and services.
+     *
+     * docker container prune only excludes a container that matches all of its label!= filters
+     * together, so we list the stopped containers and filter them by label in the shell.
+     */
+    private function buildContainerPruneCommand(): string
+    {
+        return "docker ps -a --filter status=created --filter status=exited --filter status=dead --filter label=coolify.managed=true --format '{{.ID}} coolify.proxy={{.Label \"coolify.proxy\"}} coolify.type={{.Label \"coolify.type\"}}' | ".
+            "grep -v -E 'coolify\.proxy=true |coolify\.type=(database|application|service)$' | ".
+            "awk '{print $1}' | xargs -r docker rm";
+    }
+
     /**
      * Build a docker image prune command that excludes application image repositories.
      *

config/constants.php

@@ -5,7 +5,7 @@ $sshCommandTimeout = (int) env('SSH_COMMAND_TIMEOUT', 3600);
 
 return [
     'coolify' => [
-        'version' => env('COOLIFY_VERSION') ?: '4.4.3',
+        'version' => env('COOLIFY_VERSION') ?: '4.4.4',
         'helper_version' => '1.0.17',
         'railpack_version' => '0.23.0',
         'self_hosted' => env('SELF_HOSTED', true),

other/nightly/versions.json

@@ -1,7 +1,7 @@
 {
     "coolify": {
         "v4": {
-            "version": "4.4.3"
+            "version": "4.4.4"
         },
         "nightly": {
             "version": "4.5-rc.1"

tests/Feature/DockerCleanupJobTest.php

@@ -372,7 +372,7 @@ it('gives remote cleanup commands a local timeout and fails once the cleanup dea
     expect(fn () => CleanupDocker::run($server))
         ->toThrow(RuntimeException::class, 'Docker cleanup did not finish within '.CleanupDocker::REMOTE_COMMANDS_DEADLINE.' seconds');
 
-    $sshCommands = $commands->filter(fn (string $command) => str_contains($command, 'docker container prune') || str_contains($command, 'docker image prune'))->values();
+    $sshCommands = $commands->filter(fn (string $command) => str_contains($command, 'label=coolify.managed=true') || str_contains($command, 'docker image prune'))->values();
 
     expect(CleanupDocker::REMOTE_COMMANDS_DEADLINE)->toBeLessThan(CleanupDocker::JOB_TIMEOUT)
         ->and($sshCommands)->toHaveCount(2)
@@ -498,3 +498,30 @@ it('scans application images with a fixed number of remote commands and keeps th
         expect($removal)->not->toContain($kept);
     }
 });
+
+it('removes stopped Coolify containers but keeps the proxy, databases, applications and services', function () {
+    $command = (new ReflectionMethod(CleanupDocker::class, 'buildContainerPruneCommand'))->invoke(new CleanupDocker);
+    preg_match("/--format '([^']+)'/", $command, $format);
+    $stoppedContainers = collect([
+        ['proxy', 'true', ''],
+        ['database', '', 'database'],
+        ['application', '', 'application'],
+        ['service', '', 'service'],
+        ['helper', '', ''],
+    ])->map(fn (array $container) => str_replace(['{{.ID}}', '{{.Label "coolify.proxy"}}', '{{.Label "coolify.type"}}'], $container, $format[1]));
+
+    // Fake docker on PATH: `docker ps` prints the stopped containers, `docker rm` prints what it is asked to remove
+    $bin = sys_get_temp_dir().'/docker-cleanup-'.bin2hex(random_bytes(4));
+    mkdir($bin);
+    file_put_contents("$bin/containers", $stoppedContainers->implode("\n")."\n");
+    file_put_contents("$bin/docker", "#!/bin/sh\nif [ \"\$1\" = ps ]; then cat $bin/containers; else echo \"\$@\"; fi\n");
+    chmod("$bin/docker", 0755);
+
+    $output = shell_exec('PATH='.escapeshellarg("$bin:".getenv('PATH')).' /bin/sh -c '.escapeshellarg($command));
+
+    array_map('unlink', glob("$bin/*"));
+    rmdir($bin);
+
+    expect($command)->toContain('--filter label=coolify.managed=true')
+        ->and(trim((string) $output))->toBe('rm helper');
+});

versions.json

@@ -1,7 +1,7 @@
 {
     "coolify": {
         "v4": {
-            "version": "4.4.3"
+            "version": "4.4.4"
         },
         "nightly": {
             "version": "4.5-rc.1"