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|
{
description = "Flake for site deployment";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs =
{
self,
nixpkgs,
flake-utils,
}:
flake-utils.lib.eachDefaultSystem (
system:
let
pkgs = import nixpkgs { inherit system; };
site = pkgs.buildNpmPackage {
pname = "site";
version = "0.1.0";
src = ./.;
npmDepsHash = "sha256-Z0W92bGWfacJCFMiP8mCrB4KOig1RpKy9GbYwU36YIw=";
buildPhase = ''
runHook preBuild
npm run build
runHook postBuild
'';
installPhase = ''
runHook preInstall
mkdir -p $out/share/web
cp -r .next/standalone/. $out/share/web/
mkdir -p $out/share/web/.next
cp -r .next/static $out/share/web/.next/
cp -r public $out/share/web/
runHook postInstall
'';
};
in
{
packages = {
default = site;
};
devShells = {
default = pkgs.mkShell {
buildInputs = with pkgs; [
nodejs_22
corepack_22
nodePackages.typescript-language-server
nodePackages.vscode-langservers-extracted
];
shellHook = ''
export PATH="$PWD/node_modules/.bin:$PATH"
echo "Development environment loaded."
node --version
exec zsh
'';
};
};
}
)
// {
nixosModules.default =
{
lib,
config,
pkgs,
...
}:
let
cfg = config.services.site;
inherit (lib)
mkIf
mkEnableOption
mkOption
types
;
in
{
options.services.site = {
enable = mkEnableOption "Serve the built Next.js site using systemd";
domain = mkOption {
type = types.str;
description = "Domain to serve.";
};
port = mkOption {
type = types.port;
default = 3000;
description = "Port to expose on the host.";
};
package = mkOption {
type = types.package;
description = "The site package to run.";
default = self.packages.${pkgs.system}.default;
};
sslCertificate = mkOption {
type = types.nullOr types.path;
default = null;
description = "Path to TLS certificate (PEM).";
};
sslCertificateKey = mkOption {
type = types.nullOr types.path;
default = null;
description = "Path to TLS private key (PEM).";
};
};
config = mkIf cfg.enable {
assertions = [
{
assertion = (cfg.sslCertificate == null) == (cfg.sslCertificateKey == null);
message = "services.site: sslCertificate and sslCertificateKey must be set together.";
}
];
systemd.services.site = {
description = "Next.js site service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${pkgs.nodejs}/bin/node ${cfg.package}/share/web/server.js";
WorkingDirectory = "${cfg.package}/share/web";
User = "nextjs";
Group = "nextjs";
Restart = "always";
# Hardening
DynamicUser = true;
PrivateTmp = true;
ProtectSystem = "strict";
ProtectHome = true;
NoNewPrivileges = true;
Environment = [
"NODE_ENV=production"
"PORT=${toString cfg.port}"
"HOSTNAME=127.0.0.1"
];
};
};
services.nginx = {
enable = true;
virtualHosts.${cfg.domain} =
let
useTLS = (cfg.sslCertificate != null) && (cfg.sslCertificateKey != null);
in
{
forceSSL = useTLS;
sslCertificate = mkIf useTLS cfg.sslCertificate;
sslCertificateKey = mkIf useTLS cfg.sslCertificateKey;
locations."/" = {
proxyPass = "http://127.0.0.1:${toString cfg.port}";
proxyWebsockets = true;
};
};
};
};
};
};
}
|
