Add nextcloud

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

packages/docker/nextcloud/declarative-secrets.patch

@@ -0,0 +1,34 @@
+diff --git a/lib/private/Setup.php b/lib/private/Setup.php
+index 271e10d6..d21e2dd6 100644
+--- a/lib/private/Setup.php
++++ b/lib/private/Setup.php
+@@ -272,21 +272,22 @@ class Setup {
+ 			$dbType = 'sqlite3';
+ 		}
+ 
+-		//generate a random salt that is used to salt the local  passwords
+-		$salt = $this->random->generate(30);
+-		// generate a secret
+-		$secret = $this->random->generate(48);
+-
+ 		//write the config file
+ 		$newConfigValues = [
+-			'passwordsalt' => $salt,
+-			'secret' => $secret,
+ 			'trusted_domains' => $trustedDomains,
+ 			'datadirectory' => $dataDir,
+ 			'dbtype' => $dbType,
+ 			'version' => implode('.', \OCP\Util::getVersion()),
+ 		];
+ 
++		if ($this->config->getValue('passwordsalt', null) === null) {
++			$newConfigValues['passwordsalt'] = $this->random->generate(30);
++		}
++
++		if ($this->config->getValue('secret', null) === null) {
++			$newConfigValues['secret'] = $this->random->generate(48);
++		}
++
+ 		if ($this->config->getValue('overwrite.cli.url', null) === null) {
+ 			$newConfigValues['overwrite.cli.url'] = $request->getServerProtocol() . '://' . $request->getInsecureServerHost() . \OC::$WEBROOT;
+ 		}