initial commit
This commit is contained in:
commit
ecfcf9416c
32
flake.nix
Normal file
32
flake.nix
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@ -0,0 +1,32 @@
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{
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inputs = {
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nixpkgs.url = "nixpkgs";
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simple-nixos-mailserver = {
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url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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"idimitrov-dev" = {
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url = "git+ssh://git@gitlab.com:ivandimitrov8080/idimitrov.dev.git";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs =
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{ self
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, nixpkgs
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, simple-nixos-mailserver
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, idimitrov-dev
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, ...
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}: {
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nixosConfigurations = {
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mailserver = nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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modules = [
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simple-nixos-mailserver.nixosModule
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idimitrov-dev
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./mailserver
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];
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};
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};
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};
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}
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19
mailserver/configuration.nix
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19
mailserver/configuration.nix
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@ -0,0 +1,19 @@
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{ config, pkgs, ... }:
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{
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imports = [
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./vpsadminos.nix
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];
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services.openssh.enable = true;
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services.openssh.settings.PermitRootLogin = "yes";
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#users.extraUsers.root.openssh.authorizedKeys.keys =
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# [ "..." ];
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systemd.extraConfig = ''
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DefaultTimeoutStartSec=900s
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'';
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time.timeZone = "Europe/Amsterdam";
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system.stateVersion = "23.05";
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}
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51
mailserver/default.nix
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51
mailserver/default.nix
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{ config, pkgs, ... }:
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{
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imports = [ ./configuration.nix ./web.nix ];
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nix = {
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extraOptions = ''
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experimental-features = nix-command flakes
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'';
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};
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mailserver = {
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enable = true;
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fqdn = "mail.idimitrov.dev";
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domains = [ "idimitrov.dev" "mail.idimitrov.dev" ];
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loginAccounts = {
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"ivan@idimitrov.dev" = {
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hashedPassword = "$2b$05$rTVIQD98ogXeCBKdk/YufulWHqpMCAlb7SHDPlh5y8Xbukoa/uQLm";
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aliases = [ "admin@idimitrov.dev" ];
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};
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"security@idimitrov.dev" = {
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hashedPassword = "$2b$05$rTVIQD98ogXeCBKdk/YufulWHqpMCAlb7SHDPlh5y8Xbukoa/uQLm";
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};
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};
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certificateScheme = "acme-nginx";
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hierarchySeparator = "/";
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};
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security.acme.acceptTerms = true;
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security.acme.defaults.email = "security@idimitrov.dev";
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users = {
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users.ivand = {
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isNormalUser = true;
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hashedPassword =
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"$2b$05$hPrPcewxj4qjLCRQpKBAu.FKvKZdIVlnyn4uYsWE8lc21Jhvc9jWG";
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extraGroups = [ "wheel" "adm" "mlocate" ];
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openssh.authorizedKeys.keys = [
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''
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ssh-rsa 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 ivand@nixos
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''
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];
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};
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extraGroups = { mlocate = { }; };
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};
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environment = {
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systemPackages = with pkgs; [ coreutils-full fd git vim mlocate busybox ];
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};
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}
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67
mailserver/vpsadminos.nix
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67
mailserver/vpsadminos.nix
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# This file provides compatibility for NixOS to run in a container on vpsAdminOS
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# hosts.
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#
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# If you're experiencing issues, try updating this file to the latest version
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# from vpsAdminOS repository:
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#
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# https://github.com/vpsfreecz/vpsadminos/blob/staging/os/lib/nixos-container/vpsadminos.nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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nameservers = [
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"1.1.1.1"
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"2606:4700:4700::1111"
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];
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in {
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networking.nameservers = mkDefault nameservers;
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services.resolved = mkDefault { fallbackDns = nameservers; };
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networking.dhcpcd.extraConfig = "noipv4ll";
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systemd.services.systemd-sysctl.enable = false;
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systemd.services.systemd-oomd.enable = false;
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systemd.sockets."systemd-journald-audit".enable = false;
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systemd.mounts = [ {where = "/sys/kernel/debug"; enable = false;} ];
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systemd.services.rpc-gssd.enable = false;
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# Due to our restrictions in /sys, the default systemd-udev-trigger fails
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# on accessing PCI devices, etc. Override it to match only network devices.
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# In addition, boot.isContainer prevents systemd-udev-trigger.service from
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# being enabled at all, so add it explicitly.
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systemd.additionalUpstreamSystemUnits = [
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"systemd-udev-trigger.service"
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];
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systemd.services.systemd-udev-trigger.serviceConfig.ExecStart = [
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""
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"-udevadm trigger --subsystem-match=net --action=add"
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];
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boot.isContainer = true;
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boot.enableContainers = mkDefault true;
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boot.loader.initScript.enable = true;
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boot.specialFileSystems."/run/keys".fsType = mkForce "tmpfs";
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boot.systemdExecutable = mkDefault "/run/current-system/systemd/lib/systemd/systemd systemd.unified_cgroup_hierarchy=0";
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# Overrides for <nixpkgs/nixos/modules/virtualisation/container-config.nix>
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documentation.enable = mkOverride 500 true;
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documentation.nixos.enable = mkOverride 500 true;
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networking.useHostResolvConf = mkOverride 500 false;
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services.openssh.startWhenNeeded = mkOverride 500 false;
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# Bring up the network, /ifcfg.{add,del} are supplied by the vpsAdminOS host
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systemd.services.networking-setup = {
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description = "Load network configuration provided by the vpsAdminOS host";
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before = [ "network.target" ];
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wantedBy = [ "network.target" ];
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after = [ "network-pre.target" ];
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path = [ pkgs.iproute2 ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.bash}/bin/bash /ifcfg.add";
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ExecStop = "${pkgs.bash}/bin/bash /ifcfg.del";
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};
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unitConfig.ConditionPathExists = "/ifcfg.add";
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restartIfChanged = false;
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};
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}
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65
mailserver/web.nix
Normal file
65
mailserver/web.nix
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@ -0,0 +1,65 @@
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{ config, pkgs, ... }: {
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services = {
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nginx = {
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recommendedGzipSettings = true;
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recommendedOptimisation = true;
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recommendedProxySettings = true;
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recommendedTlsSettings = true;
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sslCiphers = "AES256+EECDH:AES256+EDH:!aNULL";
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appendHttpConfig = ''
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# Add HSTS header with preloading to HTTPS requests.
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# Adding this header to HTTP requests is discouraged
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map $scheme $hsts_header {
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https "max-age=31536000; includeSubdomains; preload";
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}
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add_header Strict-Transport-Security $hsts_header;
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# Enable CSP for your services.
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#add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
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# Minimize information leaked to other domains
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add_header 'Referrer-Policy' 'origin-when-cross-origin';
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# Disable embedding as a frame
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add_header X-Frame-Options DENY;
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# Prevent injection of code in other mime types (XSS Attacks)
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add_header X-Content-Type-Options nosniff;
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# This might create errors
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proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
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'';
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virtualHosts =
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let
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base = locations: {
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inherit locations;
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forceSSL = true;
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enableACME = true;
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};
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proxy = port: base {
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"/".proxyPass = "http://127.0.0.1:" + toString (port) + "/";
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};
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in
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{
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"idimitrov.dev" = proxy 3000 // { default = true; };
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};
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};
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};
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networking.firewall = {
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enable = true;
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allowedTCPPorts = [ 80 443 ];
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};
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systemd.services = {
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"idimitrov.dev" = {
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description = "My personal website";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${idimitrov-dev}/bin/idimitrov.dev";
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Restart = "always";
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};
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};
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};
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}
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