diff --git a/example_test.go b/example_test.go
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+/*
+   Copyright 2020 YANDEX LLC
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package hasql_test
+
+import (
+	"context"
+	"database/sql"
+	"time"
+
+	"golang.yandex/hasql/v2"
+)
+
+// ExampleCluster shows how to setup basic hasql cluster with some suctom settings
+func ExampleCluster() {
+	// open connections to database instances
+	db1, err := sql.Open("pgx", "host1.example.com")
+	if err != nil {
+		panic(err)
+	}
+	db2, err := sql.Open("pgx", "host2.example.com")
+	if err != nil {
+		panic(err)
+	}
+
+	// register connections as nodes with some additional information
+	nodes := []*hasql.Node[*sql.DB]{
+		hasql.NewNode("bear", db1),
+		hasql.NewNode("battlestar galactica", db2),
+	}
+
+	// create NodeDiscoverer instance
+	// here we use built-in StaticNodeDiscoverer which always returns all registered nodes
+	discoverer := hasql.NewStaticNodeDiscoverer(nodes...)
+	// use checker suitable for your database
+	checker := hasql.PostgreSQLChecker
+	// change default RandomNodePicker to RoundRobinNodePicker here
+	picker := new(hasql.RoundRobinNodePicker[*sql.DB])
+
+	// create cluster instance using previously created discoverer, checker
+	// and some additional options
+	cl, err := hasql.NewCluster(discoverer, checker,
+		// set custom picker via funcopt
+		hasql.WithNodePicker(picker),
+		// change interval of cluster state check
+		hasql.WithUpdateInterval[*sql.DB](500*time.Millisecond),
+		// change cluster check timeout value
+		hasql.WithUpdateTimeout[*sql.DB](time.Second),
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	// create context with timeout to wait for at least one alive node in cluster
+	// note that context timeout value must be greater than cluster update interval + update timeout
+	// otherwise you will always receive `context.DeadlineExceeded` error if one of cluster node is dead on startup
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	// wait for any alive node to guarantee that your application
+	// does not start without database dependency
+	// this step usually performed on application startup
+	node, err := cl.WaitForNode(ctx, hasql.Alive)
+	if err != nil {
+		panic(err)
+	}
+
+	// pick standby node to perform query
+	// always check node for nilness to avoid nil pointer dereference error
+	// node object can be nil if no alive nodes for given criterion has been found
+	node = cl.Node(hasql.Standby)
+	if node == nil {
+		panic("no alive standby available")
+	}
+
+	// get connection from node and perform desired action
+	if err := node.DB().PingContext(ctx); err != nil {
+		panic(err)
+	}
+}