workerd docker container

Author: codebam

flake.nix

@@ -34,13 +34,10 @@
         pkgs.mkShell {
           name = "my-dev-environment";
           buildInputs = with pkgs; [
-            efm-langserver
-            nil
             nodejs_latest
             nodePackages_latest.typescript-language-server
             nodePackages_latest.prettier
             vscode-langservers-extracted
-            nodePackages_latest.bash-language-server
           ];
           # You can add shell hooks or environment variables here too
           # shellHook = ''
@@ -53,14 +50,44 @@
       devShells = devShell;
 
       packages = forAllSystems (pkgs: {
+        dockerImage = pkgs.dockerTools.buildImage {
+          name = "cf-workers-telegram-bot";
+          tag = "latest";
+          fromImage = pkgs.dockerTools.pullImage {
+            imageName = "jacoblincool/workerd";
+            imageDigest = "sha256:9ef73cacee85040a3c742b22ca0b8ee527d20465af58d4408f024cec1caf347c";
+            sha256 = "sha256-7Ee5kG8qvGIzk3uyE/35fojl/qbsBvuBquJBWZGIqvA=";
+          };
+          copyToRoot = pkgs.buildEnv {
+            name = "image-root";
+            paths = [
+              (pkgs.stdenv.mkDerivation {
+                name = "docker-root";
+                buildCommand = ''
+                  mkdir -p $out/worker
+                  cp ${./worker.capnp} $out/worker/worker.capnp
+                  cp -r ${self.packages.${pkgs.system}.default}/* $out/
+                '';
+              })
+            ];
+          };
+          config = {
+            Cmd = [
+              "/workerd"
+              "serve"
+              "/worker/worker.capnp"
+            ];
+            WorkingDir = "/";
+          };
+        };
         default = pkgs.buildNpmPackage {
           name = "cf-workers-telegram-bot";
           src = ./.;
           npmDepsHash = "sha256-tlxWjtGMnTTMS4or/hZuWEoe+DI6eZRHbOKLsXx/LIY=";
           installPhase = ''
             runHook preInstall
-            mkdir -p $out
-            cp -r dist/* $out/
+            mkdir -p $out/worker
+            cp -r dist/* $out/worker
             runHook postInstall
           '';
         };
@@ -71,7 +98,7 @@
           type = "app";
           program = "${pkgs.writeScriptBin "run-worker" ''
             #!/bin/sh
-            ${pkgs.nodejs_latest}/bin/node ${self.packages.${pkgs.system}.default}/worker.js "$@"
+            workerd serve ${self.packages.${pkgs.system}.default}/worker.mjs "$@"
           ''}/bin/run-worker";
         };
       });

packages/worker/package.json

@@ -7,7 +7,7 @@
 	"module": "./dist/worker.mjs",
 	"type": "module",
 	"scripts": {
-		"build": "esbuild ./src/worker.ts --bundle --outfile=../../dist/worker.js --platform=neutral --format=esm",
+		"build": "esbuild ./src/index.ts --bundle --outfile=../../dist/index.js --platform=neutral --format=esm",
 		"lint": "eslint src",
 		"test": "vitest --config vitest.config.js"
 	},

packages/worker/src/worker.ts packages/worker/src/index.tspackages/worker/src/worker.ts renamed to packages/worker/src/index.ts

@@ -0,0 +1,18 @@
+using Workerd = import "/workerd/workerd.capnp";
+
+const config :Workerd.Config = (
+    services = [
+        (name = "main", worker = .worker),
+    ],
+    sockets = [
+        (service = "main", name = "http", address = "*:8080", http = ()),
+    ]
+);
+
+const worker :Workerd.Worker = (
+    modules = [
+        (name = "worker", esModule = embed "index.js"),
+    ],
+    compatibilityDate = "2024-11-11",
+);
+

worker.capnp

@@ -1,5 +1,5 @@
 name = "cf-workers-telegram-bot-v2"
-main = "packages/worker/src/worker.ts"
+main = "packages/worker/src/index.ts"
 
 workers_dev = true
 compatibility_date = "2024-11-11"