diff --git a/manifests/swh/deploy/scheduler.pp b/manifests/swh/deploy/scheduler.pp
index 872977c3..127aeeb0 100644
--- a/manifests/swh/deploy/scheduler.pp
+++ b/manifests/swh/deploy/scheduler.pp
@@ -1,73 +1,97 @@
 # Deployment of swh-scheduler related utilities
 class profile::swh::deploy::scheduler {
   $conf_file = hiera('swh::deploy::scheduler::conf_file')
   $user = hiera('swh::deploy::scheduler::user')
   $group = hiera('swh::deploy::scheduler::group')
   $database = hiera('swh::deploy::scheduler::database')
 
+  $task_broker = hiera('swh::deploy::scheduler::task_broker')
+  $task_packages = hiera('swh::deploy::scheduler::task_packages')
+  $task_modules = hiera('swh::deploy::scheduler::task_modules')
+
   include ::systemd
 
   $listener_service_name = 'swh-scheduler-listener'
   $listener_service_file = "/etc/systemd/system/${listener_service_name}.service"
   $listener_service_template = "profile/swh/deploy/scheduler/${listener_service_name}.service.erb"
 
   $runner_service_name = 'swh-scheduler-runner'
   $runner_service_file = "/etc/systemd/system/${runner_service_name}.service"
   $runner_service_template = "profile/swh/deploy/scheduler/${runner_service_name}.service.erb"
 
+  $worker_conf_file = '/etc/softwareheritage/worker.ini'
+
   $services = [$listener_service_name, $runner_service_name]
 
   package {'python3-swh.scheduler':
-    ensure => latest,
+    ensure => installed,
+    notify => Service[$services],
+  }
+
+  package {$task_packages:
+    ensure => installed,
     notify => Service[$services],
   }
 
   # Template uses variables
   #  - $database
   #
   file {$conf_file:
     ensure  => present,
     owner   => 'root',
     group   => $group,
     mode    => '0640',
     content => template('profile/swh/deploy/scheduler/scheduler.ini.erb'),
     notify  => Service[$services],
   }
 
+  # Template uses variables
+  #  - $task_broker
+  #  - $task_modules
+  #
+  file {$worker_conf_file:
+    ensure  => present,
+    owner   => 'root',
+    group   => $group,
+    mode    => '0640',
+    content => template('profile/swh/deploy/scheduler/worker.ini.erb'),
+    notify  => Service[$runner_service_name],
+  }
+
   # Template uses variables
   #  - $user
   #  - $group
   #
   file {$listener_service_file:
     ensure  => present,
     owner   => 'root',
     group   => 'root',
     mode    => '0644',
     content => template($listener_service_template),
     notify  => [
       Exec['systemd-daemon-reload'],
       Service[$listener_service_name],
     ],
   }
 
   # Template uses variables
   #  - $user
   #  - $group
   #
   file {$runner_service_file:
     ensure  => present,
     owner   => 'root',
     group   => 'root',
     mode    => '0644',
     content => template($runner_service_template),
     notify  => [
       Exec['systemd-daemon-reload'],
       Service[$runner_service_name],
     ],
   }
 
   service {$services:
     ensure => running,
     enable => true,
   }
 }
diff --git a/templates/swh/deploy/scheduler/worker.ini.erb b/templates/swh/deploy/scheduler/worker.ini.erb
new file mode 100644
index 00000000..b358e30c
--- /dev/null
+++ b/templates/swh/deploy/scheduler/worker.ini.erb
@@ -0,0 +1,7 @@
+# Managed by puppet - modifications will be overwritten
+# In defined class profile::swh::deploy::scheduler
+
+[main]
+task_broker = <%= @task_broker %>
+task_modules = <%= @task_modules.join(', ') %>
+task_queues =