varnish

Options

services.varnish.enable

Whether to enable Varnish process and expose utilities.

Type: boolean

Default:

false

Example:

true

Declared by:

• https://github.com/cachix/devenv/blob/main/src/modules/services/varnish.nix

services.varnish.package

Which Varnish package to use.

Type: package

Default:

pkgs.varnish

Declared by:

• https://github.com/cachix/devenv/blob/main/src/modules/services/varnish.nix

services.varnish.extraModules

Varnish modules (except ‘std’).

Type: list of package

Default:

[ ]

Example:

[ pkgs.varnish73Packages.modules ]

Declared by:

• https://github.com/cachix/devenv/blob/main/src/modules/services/varnish.nix

services.varnish.listen

Which address to listen on.

Type: string

Default:

"127.0.0.1:6081"

Declared by:

• https://github.com/cachix/devenv/blob/main/src/modules/services/varnish.nix

services.varnish.memorySize

How much memory to allocate to Varnish.

Type: string

Default:

"64M"

Declared by:

• https://github.com/cachix/devenv/blob/main/src/modules/services/varnish.nix

services.varnish.vcl

Varnish VCL configuration.

Type: strings concatenated with “\n”

Default:

''
  vcl 4.0;


  backend default {
    .host = "127.0.0.1";
    .port = "80";
  }
''

Declared by:

• https://github.com/cachix/devenv/blob/main/src/modules/services/varnish.nix

Last updated Oct 11, 2026