134 lines
2.8 KiB
Nix
134 lines
2.8 KiB
Nix
{
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tree,
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lib,
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inputs,
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config,
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pkgs,
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...
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}: let
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ports = [
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# SMTP
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25
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# Submission
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587
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# Submission w/ SSL
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465
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# IMAP
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143
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# IMAP w/ SSL
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993
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# Sieve
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4190
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];
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# Using secrets from Host
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secrets = config.services.secrets.secrets;
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secrets_list = [
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"mail_restic_password"
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"mail_restic_env"
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"private_mail_aliases"
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"chaos_mail_passwd"
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"system_mail_passwd"
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];
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shared_files = [
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"/var/lib/acme/mail.owo.monster/fullchain.pem"
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"/var/lib/acme/mail.owo.monster/key.pem"
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];
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in {
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containers.mail = {
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autoStart = true;
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bindMounts = lib.mkMerge [
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(lib.mkMerge (lib.forEach secrets_list (secret_name: let
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path = "${secrets.${secret_name}.path}";
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in {
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"${path}" = {
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hostPath = "${path}";
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};
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})))
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(lib.mkMerge (lib.forEach shared_files (file: {
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"${file}" = {
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hostPath = "${file}";
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};
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})))
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];
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config = {
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config,
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pkgs,
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...
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}: {
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_module.args = {
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inherit inputs;
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inherit tree;
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host_secrets = secrets;
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};
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imports = with tree;
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[
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profiles.base
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inputs.home-manager-unstable.nixosModules.home-manager
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modules.nixos.secrets
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users.root
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]
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++ (with hosts.hetzner-vm.containers.mail; [
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modules.mailserver
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profiles.mailserver
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profiles.restic
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]);
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# For Shared Secrets
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systemd.tmpfiles.rules = [
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"d ${config.services.secrets.secretsDir} - root root"
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"d /var/lib/acme - root root"
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"d /var/lib/acme/mail.owo.monster - root root"
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];
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networking.firewall = {
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enable = false;
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};
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home-manager.users.root = {
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imports = with tree; [home.base home.dev.small];
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home.stateVersion = "23.05";
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};
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# Manually configure nameserver. Using resolved inside the container seems to fail
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# currently
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environment.etc."resolv.conf".text = "nameserver 8.8.8.8";
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system.stateVersion = "23.05";
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};
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};
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# users for secrets
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users.users."dovecot2" = {
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uid = config.ids.uids.dovecot2;
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group = "dovecot2";
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};
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users.groups."dovecot2".gid = config.ids.gids.dovecot2;
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# ssl for mail
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services.nginx = {
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enable = true;
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virtualHosts."mail.owo.monster" = {
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serverName = "mail.owo.monster";
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serverAliases = ["owo.monster"];
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forceSSL = true;
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enableACME = true;
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acmeRoot = "/var/lib/acme/acme-challenge";
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# also being used for webmail
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locations."/" = {
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proxyPass = "http://unix:/var/lib/nixos-containers/mail/var/sockets/roundcube.sock";
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};
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};
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};
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networking.firewall = {
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allowedTCPPorts = ports;
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allowedUDPPorts = ports;
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};
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}
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