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Elastic Agent environment variables

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Elastic Agent environment variables

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Use environment variables to configure Elastic Agent when running in a containerized environment. Variables on this page are grouped by action type:

Common variables
Configure Kibana: prepare the Fleet plugin in Kibana
Configure Fleet Server: bootstrap Fleet Server on an Elastic Agent
Configure Elastic Agent and Fleet: enroll an Elastic Agent

Common variables

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To limit the number of environment variables that need to be set, the following common variables are available. These variables can be used across all Elastic Agent actions, but have a lower precedence than action-specific environment variables.

These common variables are useful, for example, when using the same Elasticsearch and Kibana credentials to prepare the Fleet plugin in Kibana, configure Fleet Server, and enroll an Elastic Agent.

Settings	Description
`ELASTICSEARCH_HOST`	(string) The Elasticsearch host to communicate with. Default: `http://elasticsearch:9200`
`ELASTICSEARCH_USERNAME`	(string) The basic authentication username used to connect to Elasticsearch. This user needs the privileges required to publish events to Elasticsearch. [8.0.0] Deprecated in 8.0.0. Behaviour will change, use `FLEET_SERVER_SERVICE_TOKEN` instead. Default: `elastic`
`ELASTICSEARCH_PASSWORD`	(string) The basic authentication password used to connect to Elasticsearch. [8.0.0] Deprecated in 8.0.0. Behaviour will change, use `FLEET_SERVER_SERVICE_TOKEN` instead. Default: `changeme`
`ELASTICSEARCH_CA`	(string) The path to a certificate authority. By default, Elastic Agent uses the list of trusted certificate authorities (CA) from the operating system where it is running. If the certificate authority that signed your node certificates is not in the host system’s trusted certificate authorities list, use this config to add the path to the `.pem` file that contains your CA’s certificate. Default: `""`
`KIBANA_HOST`	(string) The Kibana host. Default: `http://kibana:5601`
`KIBANA_USERNAME`	(string) The basic authentication username used to connect to Kibana. [8.0.0] Deprecated in 8.0.0. Behaviour will change in upcoming release. Default: `elastic`
`KIBANA_PASSWORD`	(string) The basic authentication password used to connect to Kibana. [8.0.0] Deprecated in 8.0.0. Behaviour will change in upcoming release. Default: `changeme`
`KIBANA_CA`	(string) The path to a certificate authority. By default, Elastic Agent uses the list of trusted certificate authorities (CA) from the operating system where it is running. If the certificate authority that signed your node certificates is not in the host system’s trusted certificate authorities list, use this config to add the path to the `.pem` file that contains your CA’s certificate. Default: `""`

Prepare Kibana for Fleet

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Settings used to prepare the Fleet plugin in Kibana.

Settings	Description
`KIBANA_FLEET_SETUP`	(int) Set to `1` to enable Fleet setup. Enabling Fleet is required before Fleet Server will start. When this action is not performed, a user must manually log in to Kibana and visit the Fleet page to enable setup. Overrides `FLEET_SETUP` when set. Default: none
`KIBANA_FLEET_HOST`	(string) The Kibana host to enable Fleet on. Overrides `FLEET_HOST` when set. Default: `http://kibana:5601`
`KIBANA_FLEET_USERNAME`	(string) The basic authentication username used to connect to Kibana and enable Fleet. Overrides `KIBANA_USERNAME` when set. [8.0.0] Deprecated in 8.0.0. Behaviour will change in upcoming release. Default: `elastic`
`KIBANA_FLEET_PASSWORD`	(string) The basic authentication password used to connect to Kibana and enable Fleet. Overrides `KIBANA_PASSWORD` when set. [8.0.0] Deprecated in 8.0.0. Behaviour will change in upcoming release. Default: `changeme`
`KIBANA_FLEET_CA`	(string) The path to a certificate authority. Overrides `KIBANA_CA` when set. By default, Elastic Agent uses the list of trusted certificate authorities (CA) from the operating system where it is running. If the certificate authority that signed your node certificates is not in the host system’s trusted certificate authorities list, use this config to add the path to the `.pem` file that contains your CA’s certificate. Default: `""`

Bootstrap Fleet Server

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Settings used to bootstrap Fleet Server on this Elastic Agent. At least one Fleet Server is required in a deployment.

Settings	Description
`FLEET_SERVER_ENABLE`	(int) Set to `1` to bootstrap Fleet Server on this Elastic Agent. When set to `1`, this automatically forces Fleet enrollment as well. Default: none
`FLEET_SERVER_ELASTICSEARCH_HOST`	(string) The Elasticsearch host for Fleet Server to communicate with. Overrides `ELASTICSEARCH_HOST` when set. Default: `http://elasticsearch:9200`
`FLEET_SERVER_ELASTICSEARCH_USERNAME`	(string) The basic authentication username used to connect to Elasticsearch. Overrides `ELASTICSEARCH_USERNAME` when set. This user needs the privileges required to publish events to Elasticsearch. [8.0.0] Deprecated in 8.0.0. Use `FLEET_SERVER_SERVICE_TOKEN` instead. Default: `elastic`
`FLEET_SERVER_ELASTICSEARCH_PASSWORD`	(string) The basic authentication password used to connect to Elasticsearch. Overrides `ELASTICSEARCH_PASSWORD` when set. [8.0.0] Deprecated in 8.0.0. Use `FLEET_SERVER_SERVICE_TOKEN` instead. Default: `changeme`
`FLEET_SERVER_ELASTICSEARCH_CA`	(string) The path to a certificate authority. Overrides `ELASTICSEARCH_CA` when set. By default, Elastic Agent uses the list of trusted certificate authorities (CA) from the operating system where it is running. If the certificate authority that signed your node certificates is not in the host system’s trusted certificate authorities list, use this config to add the path to the `.pem` file that contains your CA’s certificate. Default: `""`
`FLEET_SERVER_SERVICE_TOKEN`	(string) Service token to use for communication with Elasticsearch. Default: none
`FLEET_SERVER_POLICY_NAME`	(string) The name of the policy for Fleet Server to use on itself. Overrides `FLEET_TOKEN_POLICY_NAME` when set. Default: none
`FLEET_SERVER_POLICY_ID`	(string) The policy ID for Fleet Server to use on itself. Default: When undefined, the "Default Fleet Server policy" is used.
`FLEET_SERVER_HOST`	(string) The binding host for Fleet Server HTTP. Overrides the host defined in the policy. Default: none
`FLEET_SERVER_PORT`	(string) The binding port for Fleet Server HTTP. Overrides the port defined in the policy. Default: none
`FLEET_SERVER_CERT`	(string) The path to the certificate to use for HTTPS. Default: none
`FLEET_SERVER_CERT_KEY`	(string) The path to the private key for the certificate used for HTTPS. Default: none
`FLEET_SERVER_INSECURE_HTTP`	(bool) When `true`, exposes Fleet Server over HTTP (insecure). Setting this to `true` is not recommended. Default: `false`

Enroll Elastic Agent

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Settings used to enroll an Elastic Agent into a Fleet Server.

Settings	Description
`FLEET_ENROLL`	(bool) Set to `1` to enroll the Elastic Agent into Fleet Server. Default: `false`
`FLEET_URL`	(string) URL to enroll the Fleet Server into. Default: `""`
`FLEET_ENROLLMENT_TOKEN`	(string) The token to use for enrollment. Default: `""`
`FLEET_TOKEN_NAME`	(string) The token name to use to fetch the token from Kibana. Default: `""`
`FLEET_TOKEN_POLICY_NAME`	(string) The token policy name to use to fetch the token from Kibana. Default: `false`
`FLEET_CA`	(string) The path to a certificate authority. Overrides `ELASTICSEARCH_CA` when set. By default, Elastic Agent uses the list of trusted certificate authorities (CA) from the operating system where it is running. If the certificate authority that signed your node certificates is not in the host system’s trusted certificate authorities list, use this config to add the path to the `.pem` file that contains your CA’s certificate. Default: `false`
`FLEET_INSECURE`	(bool) When `true`, Elastic Agent communicates with Fleet Server over insecure or unverified HTTP. Setting this to `true` is not recommended. Default: `false`
`KIBANA_FLEET_HOST`	(string) The Kibana host to enable Fleet on. Overrides `FLEET_HOST` when set. Default: `http://kibana:5601`
`KIBANA_FLEET_USERNAME`	(string) The basic authentication username used to connect to Kibana and enable Fleet. Overrides `KIBANA_USERNAME` when set. [8.0.0] Deprecated in 8.0.0. Behaviour will change in upcoming release. Default: `elastic`
`KIBANA_FLEET_PASSWORD`	(string) The basic authentication password used to connect to Kibana and enable Fleet. Overrides `KIBANA_PASSWORD` when set. [8.0.0] Deprecated in 8.0.0. Behaviour will change in upcoming release. Default: `changeme`
`KIBANA_FLEET_CA`	(string) The path to a certificate authority. Overrides `KIBANA_CA` when set. By default, Elastic Agent uses the list of trusted certificate authorities (CA) from the operating system where it is running. If the certificate authority that signed your node certificates is not in the host system’s trusted certificate authorities list, use this config to add the path to the `.pem` file that contains your CA’s certificate. Default: `""`

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