Server

The server block is one of the root configuration blocks of Couper’s configuration file.

Block name	Context	Label
`server`	-	optional

The hosts attribute allows to start multiple Couper instances with a single configuration file. You can add a specific port to your host.

Example: hosts = ["8080", "9090"] or hosts = ["example.com:9090", "*:8080"]

Name	Type	Default	Description
`access_control`	tuple (string)	`[]`	The access controls to protect the server. Inherited by nested blocks.
`add_response_headers`	object	-	Key/value pairs to add as response headers in the client response.
`base_path`	string	-	The path prefix for all requests.
`custom_log_fields`	object	-	Log fields for custom logging. Inherited by nested blocks.
`disable_access_control`	tuple (string)	`[]`	Disables access controls by name.
`error_file`	string	-	Location of the error file template.
`hosts`	tuple (string)	`[]`	Mandatory, if there is more than one `server` block.
`remove_response_headers`	tuple (string)	`[]`	List of names to remove headers from the client response.
`set_response_headers`	object	-	Key/value pairs to set as response headers in the client response.

Name	Description
`api`	Configures an API (zero or more).
`cors`	Configures CORS settings (zero or one).
`endpoint`	Configures a free endpoint (zero or more).
`files`	Configures file serving (zero or more).
`spa`	Configures an SPA (zero or more).
`tls`	Configures server TLS (zero or one).