Learning-HTMX/12-order-summary-component-.../default.nix

102 lines
3.1 KiB
Nix

{ pkgs, lib, sbt-derivation }:
let
pname = "order-summary-component-app";
package = sbt-derivation.lib.mkSbtDerivation {
inherit pkgs pname;
# ...and the rest of the arguments
version = "0.0.1";
src = pkgs.nix-gitignore.gitignoreSource [ ] ./.;
nativeBuildInputs = [ pkgs.nodePackages.tailwindcss ];
buildPhase = ''
sbt assembly
tailwindcss -i ./src/input.css -o ./output.css
'';
# css path different from ordinary development,
# because .gitignore makes it unavailable during nix build
# anyway copied to correct place
installPhase = ''
mkdir -p $out/bin
cp target/scala-*/order-summary-component-assembly-*.jar $out/bin/${pname}.jar
mkdir -p $out/bin/dist
cp ./output.css $out/bin/dist/output.css
cp -r public $out/bin/public
'';
depsSha256 = "sha256-ADQB4qTl69ERlLAURrtR3fWa7PUdYjFLk5QdU5QgxRQ=";
};
in {
inherit package;
module = { config, pkgs, ... }:
let cfg = config.services.orderSummaryComponent;
in {
options.services.orderSummaryComponent = {
enable = lib.mkEnableOption "My service";
port = lib.mkOption {
type = lib.types.int;
default = 8080;
description = "Port to listen on.";
};
host = lib.mkOption {
type = lib.types.str;
default = "localhost";
description = "Host to bind to.";
};
useNginx = lib.mkOption {
type = lib.types.bool;
default = true;
description = "Whether to use Nginx to proxy requests.";
};
};
config = lib.mkIf cfg.enable {
users.groups.order-summary-component-group = { };
users.users.order-summary-component-user = {
isSystemUser = true;
group = "order-summary-component-group";
};
systemd.services.orderSummaryComponent =
let serverHost = if cfg.useNginx then "localhost" else cfg.host;
in {
description = "Exercise app Order Summary Component";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
startLimitIntervalSec = 30;
startLimitBurst = 10;
serviceConfig = {
ExecStart =
"${pkgs.jdk}/bin/java -jar ${package}/bin/${pname}.jar -p ${
toString cfg.port
} --host ${serverHost}";
WorkingDirectory = "${package}/bin";
Restart = "on-failure";
User = "order-summary-component-user";
Group = "order-summary-component-group";
};
};
services.nginx = lib.mkIf cfg.useNginx {
virtualHosts.${cfg.host} = {
locations."/".proxyPass = "http://127.0.0.1:${toString cfg.port}";
};
};
};
};
image = pkgs.dockerTools.buildLayeredImage {
name = pname;
tag = "latest";
created = "now";
config = {
Cmd = [ "${pkgs.jdk}/bin/java" "-jar" "${package}/bin/${pname}.jar" "--host" "0.0.0.0" ];
ExposedPorts = {
"8080/tcp" = {};
};
WorkingDir = "${package}/bin";
};
};
}