diff --git a/diagrams/onprem/logging.py b/diagrams/onprem/logging.py
index c948564..f0cbd2a 100644
--- a/diagrams/onprem/logging.py
+++ b/diagrams/onprem/logging.py
@@ -16,6 +16,10 @@ class Logstash(_Logging):
     _icon = "logstash.png"
 
 
+class Loki(_Logging):
+    _icon = "loki.png"
+
+
 # Aliases
 
 LogStash = Logstash
diff --git a/docs/nodes/onprem.md b/docs/nodes/onprem.md
index 729b3cf..829bd32 100644
--- a/docs/nodes/onprem.md
+++ b/docs/nodes/onprem.md
@@ -5,25 +5,6 @@ title: OnPrem
 
 Node classes list of onprem provider.
 
-## onprem.database
-
-- **diagrams.onprem.database.Cassandra**
-- **diagrams.onprem.database.Clickhouse**, **ClickHouse** (alias)
-- **diagrams.onprem.database.Cockroachdb**, **CockroachDB** (alias)
-- **diagrams.onprem.database.Couchdb**, **CouchDB** (alias)
-- **diagrams.onprem.database.Dgraph**
-- **diagrams.onprem.database.Hbase**, **HBase** (alias)
-- **diagrams.onprem.database.Influxdb**, **InfluxDB** (alias)
-- **diagrams.onprem.database.Janusgraph**, **JanusGraph** (alias)
-- **diagrams.onprem.database.Mariadb**, **MariaDB** (alias)
-- **diagrams.onprem.database.Mongodb**, **MongoDB** (alias)
-- **diagrams.onprem.database.Mssql**, **MSSQL** (alias)
-- **diagrams.onprem.database.Mysql**, **MySQL** (alias)
-- **diagrams.onprem.database.Neo4J**
-- **diagrams.onprem.database.Oracle**
-- **diagrams.onprem.database.Postgresql**, **PostgreSQL** (alias)
-- **diagrams.onprem.database.Scylla**
-
 ## onprem.security
 
 - **diagrams.onprem.security.Trivy**
@@ -36,14 +17,29 @@ Node classes list of onprem provider.
 - **diagrams.onprem.ci.Teamcity**, **TC** (alias)
 - **diagrams.onprem.ci.Travisci**, **TravisCI** (alias)
 
-## onprem.etl
+## onprem.cd
 
-- **diagrams.onprem.etl.Embulk**
+- **diagrams.onprem.cd.Spinnaker**
 
 ## onprem.mlops
 
 - **diagrams.onprem.mlops.Polyaxon**
 
+## onprem.container
+
+- **diagrams.onprem.container.Docker**
+- **diagrams.onprem.container.Rkt**, **RKT** (alias)
+
+## onprem.etl
+
+- **diagrams.onprem.etl.Embulk**
+
+## onprem.vcs
+
+- **diagrams.onprem.vcs.Git**
+- **diagrams.onprem.vcs.Github**
+- **diagrams.onprem.vcs.Gitlab**
+
 ## onprem.network
 
 - **diagrams.onprem.network.Apache**
@@ -64,39 +60,62 @@ Node classes list of onprem provider.
 - **diagrams.onprem.network.Vyos**, **VyOS** (alias)
 - **diagrams.onprem.network.Zookeeper**
 
-## onprem.inmemory
+## onprem.iac
 
-- **diagrams.onprem.inmemory.Aerospike**
-- **diagrams.onprem.inmemory.Hazelcast**
-- **diagrams.onprem.inmemory.Memcached**
-- **diagrams.onprem.inmemory.Redis**
+- **diagrams.onprem.iac.Ansible**
+- **diagrams.onprem.iac.Awx**
+- **diagrams.onprem.iac.Terraform**
 
-## onprem.search
+## onprem.logging
 
-- **diagrams.onprem.search.Elasticsearch**
-- **diagrams.onprem.search.Solr**
+- **diagrams.onprem.logging.Fluentd**
+- **diagrams.onprem.logging.Logstash**, **LogStash** (alias)
+- **diagrams.onprem.logging.Loki**
 
-## onprem.container
+## onprem.analytics
 
-- **diagrams.onprem.container.Docker**
-- **diagrams.onprem.container.Rkt**, **RKT** (alias)
+- **diagrams.onprem.analytics.Beam**
+- **diagrams.onprem.analytics.Flink**
+- **diagrams.onprem.analytics.Hadoop**
+- **diagrams.onprem.analytics.Hive**
+- **diagrams.onprem.analytics.Norikra**
+- **diagrams.onprem.analytics.Spark**
+- **diagrams.onprem.analytics.Storm**
 
-## onprem.iac
+## onprem.database
 
-- **diagrams.onprem.iac.Ansible**
-- **diagrams.onprem.iac.Awx**
-- **diagrams.onprem.iac.Terraform**
+- **diagrams.onprem.database.Cassandra**
+- **diagrams.onprem.database.Clickhouse**, **ClickHouse** (alias)
+- **diagrams.onprem.database.Cockroachdb**, **CockroachDB** (alias)
+- **diagrams.onprem.database.Couchdb**, **CouchDB** (alias)
+- **diagrams.onprem.database.Dgraph**
+- **diagrams.onprem.database.Hbase**, **HBase** (alias)
+- **diagrams.onprem.database.Influxdb**, **InfluxDB** (alias)
+- **diagrams.onprem.database.Janusgraph**, **JanusGraph** (alias)
+- **diagrams.onprem.database.Mariadb**, **MariaDB** (alias)
+- **diagrams.onprem.database.Mongodb**, **MongoDB** (alias)
+- **diagrams.onprem.database.Mssql**, **MSSQL** (alias)
+- **diagrams.onprem.database.Mysql**, **MySQL** (alias)
+- **diagrams.onprem.database.Neo4J**
+- **diagrams.onprem.database.Oracle**
+- **diagrams.onprem.database.Postgresql**, **PostgreSQL** (alias)
+- **diagrams.onprem.database.Scylla**
+
+## onprem.client
+
+- **diagrams.onprem.client.Client**
+- **diagrams.onprem.client.User**
+- **diagrams.onprem.client.Users**
 
 ## onprem.compute
 
 - **diagrams.onprem.compute.Nomad**
 - **diagrams.onprem.compute.Server**
 
-## onprem.vcs
+## onprem.search
 
-- **diagrams.onprem.vcs.Git**
-- **diagrams.onprem.vcs.Github**
-- **diagrams.onprem.vcs.Gitlab**
+- **diagrams.onprem.search.Elasticsearch**
+- **diagrams.onprem.search.Solr**
 
 ## onprem.workflow
 
@@ -105,6 +124,10 @@ Node classes list of onprem provider.
 - **diagrams.onprem.workflow.Kubeflow**, **KubeFlow** (alias)
 - **diagrams.onprem.workflow.Nifi**, **NiFi** (alias)
 
+## onprem.gitops
+
+- **diagrams.onprem.gitops.Argocd**, **ArgoCD** (alias)
+
 ## onprem.queue
 
 - **diagrams.onprem.queue.Activemq**, **ActiveMQ** (alias)
@@ -113,13 +136,12 @@ Node classes list of onprem provider.
 - **diagrams.onprem.queue.Rabbitmq**, **RabbitMQ** (alias)
 - **diagrams.onprem.queue.Zeromq**, **ZeroMQ** (alias)
 
-## onprem.cd
-
-- **diagrams.onprem.cd.Spinnaker**
-
-## onprem.gitops
+## onprem.inmemory
 
-- **diagrams.onprem.gitops.Argocd**, **ArgoCD** (alias)
+- **diagrams.onprem.inmemory.Aerospike**
+- **diagrams.onprem.inmemory.Hazelcast**
+- **diagrams.onprem.inmemory.Memcached**
+- **diagrams.onprem.inmemory.Redis**
 
 ## onprem.monitoring
 
@@ -129,24 +151,3 @@ Node classes list of onprem provider.
 - **diagrams.onprem.monitoring.Prometheus**
 - **diagrams.onprem.monitoring.Splunk**
 - **diagrams.onprem.monitoring.Thanos**
-
-## onprem.client
-
-- **diagrams.onprem.client.Client**
-- **diagrams.onprem.client.User**
-- **diagrams.onprem.client.Users**
-
-## onprem.logging
-
-- **diagrams.onprem.logging.Fluentd**
-- **diagrams.onprem.logging.Logstash**, **LogStash** (alias)
-
-## onprem.analytics
-
-- **diagrams.onprem.analytics.Beam**
-- **diagrams.onprem.analytics.Flink**
-- **diagrams.onprem.analytics.Hadoop**
-- **diagrams.onprem.analytics.Hive**
-- **diagrams.onprem.analytics.Norikra**
-- **diagrams.onprem.analytics.Spark**
-- **diagrams.onprem.analytics.Storm**
diff --git a/resources/onprem/logging/loki.png b/resources/onprem/logging/loki.png
new file mode 100644
index 0000000..3029249
Binary files /dev/null and b/resources/onprem/logging/loki.png differ