windmill/flake.nix

{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };

  outputs = { self, nixpkgs, flake-utils, rust-overlay }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = true;
          overlays = [ (import rust-overlay) ];
        };
        rust = pkgs.rust-bin.stable.latest.default.override {
          extensions = [
            "rust-src" # for rust-analyzer
            "rust-analyzer"
          ];
        };
        buildInputs = with pkgs; [
          openssl
          openssl.dev
          libxml2.dev
          xmlsec.dev
          libxslt.dev
          libtool
          nodejs
          postgresql
          pkg-config
          cmake
        ];
        PKG_CONFIG_PATH = pkgs.lib.makeSearchPath "lib/pkgconfig"
          (with pkgs; [ openssl.dev libxml2.dev xmlsec.dev libxslt.dev ]);
        RUSTY_V8_ARCHIVE = let
          version = "130.0.1";
          target = pkgs.hostPlatform.rust.rustcTarget;
          sha256 = {
            x86_64-linux =
              "sha256-qc25H3Aj2KRhsAZ+2SD1c4RmweVK07oW71opZXRuUoc=";
            aarch64-linux =
              "sha256-qc25H3Aj2KRhsAZ+2SD1c4RmweVK07oW71opZXRuUoc=";
            x86_64-darwin = pkgs.lib.fakeHash;
            aarch64-darwin =
              "sha256-d1QTLt8gOUFxACes4oyIYgDF/srLOEk+5p5Oj1ECajQ=";
          }.${system};
        in pkgs.fetchurl {
          name = "librusty_v8-${version}";
          url =
            "https://github.com/denoland/rusty_v8/releases/download/v${version}/librusty_v8_release_${target}.a.gz";
          inherit sha256;
        };
      in {
        # Enter by `nix develop .#wasm`
        devShells."wasm" = pkgs.mkShell {
          buildInputs = buildInputs ++ (with pkgs; [
            (rust-bin.nightly.latest.default.override {
              extensions = [
                "rust-src" # for rust-analyzer
                "rust-analyzer"
              ];
              targets = [ "wasm32-unknown-unknown" ];
            })
            wasm-pack
            deno
          ]);
        };

        devShells.default = pkgs.mkShell {
          buildInputs = buildInputs ++ (with pkgs; [
            rust
            git
            xcaddy
            sqlx-cli
            flock
            sccache
            deno
            python3
            python3Packages.pip
            go
            bun
            uv
            nushell
            dotnet-sdk_9
            oracle-instantclient
            svelte-language-server
          ]);
          packages = [
            (pkgs.writeScriptBin "wm-caddy" ''
              cd ./frontend
              xcaddy build $* \
                --with github.com/mholt/caddy-l4@145ec36251a44286f05a10d231d8bfb3a8192e09 \
                --with github.com/RussellLuo/caddy-ext/layer4@ab1e18cfe426012af351a68463937ae2e934a2a1
            '')
            (pkgs.writeScriptBin "wm-build" ''
              cd ./frontend
              npm install
              npm run ${
                if pkgs.stdenv.isDarwin then
                  "generate-backend-client-mac"
                else
                  "generate-backend-client"
              }
              npm run build $*
            '')
            (pkgs.writeScriptBin "wm-migrate" ''
              cd ./backend
              sqlx migrate run
            '')
            (pkgs.writeScriptBin "wm-setup" ''
              sqlx database create
              wm-build
              wm-caddy
              wm-migrate
            '')
            (pkgs.writeScriptBin "wm-reset" ''
              sqlx database drop -f
              sqlx database create
              wm-migrate
            '')
            (pkgs.writeScriptBin "wm-bench" ''
              deno run -A benchmarks/main.ts -e admin@windmill.dev -p changeme $*
            '')
            (pkgs.writeScriptBin "wm" ''
              cd ./frontend
              npm run dev $*
            '')
          ];

          inherit PKG_CONFIG_PATH RUSTY_V8_ARCHIVE;
          NODE_ENV = "development";
          NODE_OPTIONS = "--max-old-space-size=16384";
          DATABASE_URL = "postgres://postgres:changeme@127.0.0.1:5432/";
          REMOTE = "http://127.0.0.1:8000";
          REMOTE_LSP = "http://127.0.0.1:3001";
          RUSTC_WRAPPER = "${pkgs.sccache}/bin/sccache";
          DENO_PATH = "${pkgs.deno}/bin/deno";
          GO_PATH = "${pkgs.go}/bin/go";
          BUN_PATH = "${pkgs.bun}/bin/bun";
          UV_PATH = "${pkgs.uv}/bin/uv";
          NU_PATH = "${pkgs.nushell}/bin/nu";
          FLOCK_PATH = "${pkgs.flock}/bin/flock";
          CARGO_PATH = "${rust}/bin/cargo";
          DOTNET_PATH = "${pkgs.dotnet-sdk_9}/bin/dotnet";
          DOTNET_ROOT = "${pkgs.dotnet-sdk_9}/share/dotnet";
          ORACLE_LIB_DIR = "${pkgs.oracle-instantclient.lib}/lib";
        };
        packages.default = self.packages.${system}.windmill;
        packages.windmill-client = pkgs.buildNpmPackage {
          name = "windmill-client";
          version = (pkgs.lib.strings.trim (builtins.readFile ./version.txt));

          src = pkgs.nix-gitignore.gitignoreSource [ ] ./frontend;
          nativeBuildInputs = with pkgs; [ pkg-config ];
          buildInputs = with pkgs; [ nodejs pixman cairo pango ];
          doCheck = false;

          npmDepsHash = "sha256-NXk9mnf74+/k0i3goqU8Zi/jr5b/bmW+HWRLJCI2CX8=";
          npmBuild = "npm run build";

          postUnpack = ''
            mkdir -p ./backend/windmill-api/
            cp ${
              ./backend/windmill-api/openapi.yaml
            } ./backend/windmill-api/openapi.yaml
            cp ${./openflow.openapi.yaml} ./openflow.openapi.yaml
          '';
          preBuild = ''
            npm run ${
              if pkgs.stdenv.isDarwin then
                "generate-backend-client-mac"
              else
                "generate-backend-client"
            }
          '';

          installPhase = ''
            mkdir -p $out/build
            cp -r build $out
          '';

          NODE_OPTIONS = "--max-old-space-size=8192";
        };
        packages.windmill = pkgs.rustPlatform.buildRustPackage {
          pname = "windmill";
          version = (pkgs.lib.strings.trim (builtins.readFile ./version.txt));

          src = ./backend;
          nativeBuildInputs = buildInputs
            ++ [ self.packages.${system}.windmill-client pkgs.perl ]
            ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
              # Additional darwin specific inputs can be set here
              pkgs.libiconv
              pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
            ];

          cargoLock = {
            lockFile = ./backend/Cargo.lock;
            outputHashes = {
              "php-parser-rs-0.1.3" =
                "sha256-ZeI3KgUPmtjlRfq6eAYveqt8Ay35gwj6B9iOQRjQa9A=";
              "progenitor-0.3.0" =
                "sha256-F6XRZFVIN6/HfcM8yI/PyNke45FL7jbcznIiqj22eIQ=";
              "tinyvector-0.1.0" =
                "sha256-NYGhofU4rh+2IAM+zwe04YQdXY8Aa4gTmn2V2HtzRfI=";
            };
          };

          buildFeatures = [
            "enterprise"
            "enterprise_saml"
            "stripe"
            "embedding"
            "parquet"
            "prometheus"
            "openidconnect"
            "cloud"
            "jemalloc"
            "tantivy"
            "deno_core"
            "license"
            "http_trigger"
            "zip"
            "oauth2"
            "kafka"
            "otel"
            "dind"
            "php"
            "mysql"
            "mssql"
            "bigquery"
            "websocket"
            "python"
            "smtp"
            "csharp"
            "static_frontend"
            "rust"
          ];
          doCheck = false;

          inherit PKG_CONFIG_PATH RUSTY_V8_ARCHIVE;
          SQLX_OFFLINE = true;
          FRONTEND_BUILD_DIR =
            "${self.packages.${system}.windmill-client}/build";
        };
      });
}