diff --git a/alakazam.py b/alakazam.py
index 7e3fa28..18c23d9 100755
--- a/alakazam.py
+++ b/alakazam.py
@@ -43,11 +43,11 @@ def abra(*args, machine_output=False, ignore_error=False):
     process = subprocess.run(command, capture_output=True)
     if process.stderr:
         logging.debug(process.stderr.decode())
+    if process.stdout:
+        logging.debug(process.stdout.decode())
     if process.returncode and not ignore_error:
         raise RuntimeError(
             f'{" ".join(command)} \n STDOUT: \n {process.stdout.decode()} \n STDERR: {process.stderr.decode()}')
-    if process.stderr:
-        logging.error(process.stderr.decode())
     if machine_output:
         return json.loads(process.stdout.decode())
     return process.stdout.decode()
@@ -160,7 +160,7 @@ def get_generated_secret(domain, secret_name):
         secret = secret.splitlines()[3].split("|")[2].strip()
     else:
         secret = abra(
-            "app", "run", domain, "app", f"cat /var/run/secrets/{secret_name}"
+            "app", "run", domain, "worker", "cat", f"/var/run/secrets/{secret_name}"
         )
     return secret
 
@@ -203,6 +203,7 @@ def execute_cmds(app):
     for cmd in all_cmds:
         container = cmd.split()[0]
         cmd = cmd.split()[1]
+        logging.info(f"Run '{cmd}' in {domain}:{container}")
         if container == "local":
             print(abra("app", "cmd", "--local", domain, cmd, ignore_error=True))
         else:
@@ -268,7 +269,7 @@ def deploy_apps(apps):
     deployed_domains = get_deployed_apps()
     for app in INSTANCE["apps"]:
         domain = map_subdomain(app)
-        if (apps and app in apps) or domain not in deployed_domains:
+        if (apps and app in apps) or (not apps and domain not in deployed_domains):
             print(f'deploy {domain}')
             print(abra("app", "deploy", "-C", "-n", domain))
             logging.info(f'execute commands for {domain}')
@@ -304,20 +305,26 @@ def cmds(apps):
 
 
 @cli.command()
-def purge_apps():
+@click.option('-a', '--apps', multiple=True)
+def purge_apps(apps):
     """ Completely remove all the apps """
-    for recipe in INSTANCE["apps"]:
-        domain = map_subdomain(recipe)
+    if not apps:
+        apps = INSTANCE["apps"]
+    for app in apps:
+        domain = map_subdomain(app)
         logging.info(f'purge {domain}')
         abra("app", "rm", "-n", domain)
         print(f"{domain} purged")
 
 
 @cli.command()
-def purge_secrets():
+@click.option('-a', '--apps', multiple=True)
+def purge_secrets(apps):
     """ Remove all the apps secrets """
-    for recipe in INSTANCE["apps"]:
-        domain = map_subdomain(recipe)
+    if not apps:
+        apps = INSTANCE["apps"]
+    for app in apps:
+        domain = map_subdomain(app)
         logging.info(f'purge secrets from {domain}')
         stored_secrets = abra("app", "secret", "ls", domain)
         if "true" in stored_secrets:
diff --git a/combine.yml b/combine.yml
index e5e1662..fbd544f 100644
--- a/combine.yml
+++ b/combine.yml
@@ -67,6 +67,11 @@ nextcloud:
             - SECRET_ONLYOFFICE_JWT_VERSION
         execute:
             - app install_onlyoffice
+    collabora:
+        uncomment:
+            - COLLABORA_URL
+        execute:
+            - app install_collabora
 onlyoffice:
     nextcloud:
         uncomment: