nixpkgs/nixos/modules/services/web-servers/caddy.nix
davidak d4766e789b caddy: set file descriptor limit to 8192, fixes #22454
the value is recommended for production use
a warning is produced when not set
2017-02-11 01:44:29 +01:00

78 lines
2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.caddy;
configFile = pkgs.writeText "Caddyfile" cfg.config;
in
{
options.services.caddy = {
enable = mkEnableOption "Caddy web server";
config = mkOption {
description = "Verbatim Caddyfile to use";
};
ca = mkOption {
default = "https://acme-v01.api.letsencrypt.org/directory";
example = "https://acme-staging.api.letsencrypt.org/directory";
type = types.string;
description = "Certificate authority ACME server. The default (Let's Encrypt production server) should be fine for most people.";
};
email = mkOption {
default = "";
type = types.string;
description = "Email address (for Let's Encrypt certificate)";
};
agree = mkOption {
default = false;
example = true;
type = types.bool;
description = "Agree to Let's Encrypt Subscriber Agreement";
};
dataDir = mkOption {
default = "/var/lib/caddy";
type = types.path;
description = "The data directory, for storing certificates.";
};
package = mkOption {
default = pkgs.caddy;
defaultText = "pkgs.caddy";
type = types.package;
description = "Caddy package to use.";
};
};
config = mkIf cfg.enable {
systemd.services.caddy = {
description = "Caddy web server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = ''${cfg.package.bin}/bin/caddy -conf=${configFile} \
-ca=${cfg.ca} -email=${cfg.email} ${optionalString cfg.agree "-agree"}
'';
Type = "simple";
User = "caddy";
Group = "caddy";
AmbientCapabilities = "cap_net_bind_service";
LimitNOFILE = 8192;
};
};
users.extraUsers.caddy = {
group = "caddy";
uid = config.ids.uids.caddy;
home = cfg.dataDir;
createHome = true;
};
users.extraGroups.caddy.gid = config.ids.uids.caddy;
};
}