What should be hosts value in pump.conf

Hello, I am using Tyk using Docker. While I am trying to use tyk pump, getting error like this:
tp_1
what should I have to provide for hosts in pump.conf? In documentation, they have mentioned both host and also hosts.
My pump.conf file is:

{
“analytics_storage_type”: “redis”,
“analytics_storage_config”: {
“type”: “redis”,
“enable_cluster”: true,
“hosts”: null,
“username”: “”,
“password”: “”,
“database”: 0,
“optimisation_max_idle”: 2000,
“optimisation_max_active”: 4000
},
“purge_delay”: 10,
“pumps”: {
“csv”: {
“name”: “csv”,
“meta”: {
“csv_dir”: “./”
}
}
},
“dont_purge_uptime_data”: true
}

My tyk.conf file is:

{
“listen_port”: 8080,
“secret”: “352d20ee67be67f6340b4c0605b044b7”,
“node_secret”: “352d20ee67be67f6340b4c0605b044b7”,
“template_path”: “/opt/tyk-gateway/templates”,
“tyk_js_path”: “/opt/tyk-gateway/js/tyk.js”,
“middleware_path”: “/opt/tyk-gateway/middleware”,
“use_db_app_configs”: true,
“db_app_conf_options”: {
“connection_string”: “http://192.168.99.100:3000”,
“node_is_segmented”: false,
“tags”: [“test2”]
},
“app_path”: “/opt/tyk-gateway/apps/”,
“storage”: {
“type”: “redis”,
“host”: “redis”,
“port”: 6379,
“username”: “”,
“password”: “”,
“database”: 0,
“optimisation_max_idle”: 4000
},
“enable_analytics”: true,
“analytics_config”: {
“type”: “mongo”,
“csv_dir”: “./”,
“mongo_url”: “”,
“mongo_db_name”: “”,
“mongo_collection”: “”,
“purge_delay”: 10,
“ignored_ips”:
},
“health_check”: {
“enable_health_checks”: true,
“health_check_value_timeouts”: 60
},
“optimisations_use_async_session_write”: true,
“enable_non_transactional_rate_limiter”: true,
“enable_sentinel_rate_limiter”: false,
“allow_master_keys”: false,
“policies”: {
“policy_source”: “service”,
“policy_connection_string”: “http://192.169.99.100:3000”,
“policy_record_name”: “tyk_policies”
},
“hash_keys”: true,
“close_connections”: true,
“allow_insecure_configs”: true,
“coprocess_options”: {
“enable_coprocess”: false,
“coprocess_grpc_server”: “”
},
“enable_bundle_downloader”: true,
“bundle_base_url”: “”,
“global_session_lifetime”: 100,
“force_global_session_lifetime”: false,
“max_idle_connections_per_host”: 100
}

Please check if these are correct.
Thanks.