devcontainers: init

configs/flake-parts/dev.nix

@@ -51,5 +51,8 @@
     devPackages = {
       inherit (import ../../docs { inherit pkgs; }) website;
     };
+
+    # All of the typical devcontainers to be used.
+    devcontainers = import ../../devcontainers { inherit pkgs; };
   };
 }

devcontainers/default.nix

@@ -0,0 +1,7 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+let inherit (pkgs) callPackage;
+in {
+  rustBackend = callPackage ./rust-backend.nix { };
+  jsBackend = callPackage ./js-backend.nix { };
+}

devcontainers/js-backend.nix

@@ -0,0 +1,13 @@
+{ dockerTools, buildEnv, nodejs, bun, pnpm }:
+
+dockerTools.buildImage {
+  name = "js-backend";
+
+  copyToRoot = buildEnv {
+    name = "js-backend-root";
+    paths = [ nodejs bun pnpm ];
+    pathsToLink = [ "/bin" "/share" "/etc" "/lib" ];
+  };
+
+  config.Cmd = [ "/bin/bash" ];
+}

devcontainers/rust-backend.nix

@@ -0,0 +1,32 @@
+{ dockerTools, buildEnv, rustc, cargo, rust-bindgen, rust-analyzer, nodejs, bash
+, meson, ninja, pkg-config }:
+
+dockerTools.buildImage {
+  name = "rust-backend";
+
+  copyToRoot = buildEnv {
+    name = "rust-backend-root";
+    paths = [
+      bash
+      cargo
+      rust-bindgen
+      rust-analyzer
+      rustc
+      nodejs
+      meson
+      ninja
+      pkg-config
+    ];
+    pathsToLink = [ "/bin" "/etc" "/lib" "/share" ];
+  };
+
+  runAsRoot = ''
+    mkdir -p /data
+  '';
+
+  config = {
+    Cmd = [ "/bin/bash" ];
+    WorkingDir = "/data";
+    Volumes."/data" = { };
+  };
+}

modules/flake-parts/default.nix

@@ -8,6 +8,7 @@
   imports = [
     ./images.nix
     ./devpackages.nix
+    ./devcontainers.nix
     ./disko-configurations.nix
     ./deploy-rs-nodes.nix
     ./home-configurations.nix

modules/flake-parts/devcontainers.nix

@@ -0,0 +1,40 @@
+{ config, lib, flake-parts-lib, ... }:
+
+let inherit (flake-parts-lib) mkSubmoduleOptions mkPerSystemOption;
+in {
+  options = {
+    flake = mkSubmoduleOptions {
+      devContainers = lib.mkOption {
+        type = with lib.types; lazyAttrsOf (attrsOf package);
+        default = { };
+        description = ''
+          An attribute set of per-system packages intended to be consumed for
+          development environments.
+        '';
+      };
+    };
+
+    perSystem = mkPerSystemOption {
+      options = {
+        devContainers = lib.mkOption {
+          type = with lib.types; attrsOf package;
+          default = { };
+          description = ''
+            An attribute set of per-system packages intended to be consumed for
+            development environments.
+          '';
+        };
+      };
+    };
+  };
+
+  config = {
+    flake.devContainers = lib.mapAttrs (k: v: v.devContainers)
+      (lib.filterAttrs (k: v: v.devContainers != { }) config.allSystems);
+
+    perInput = system: flake:
+      lib.optionalAttrs (flake ? devContainers.${system}) {
+        devContainers = flake.devContainers.${system};
+      };
+  };
+}