Remove experimental bun support

.changeset/mighty-dryers-warn.md

@@ -0,0 +1,7 @@
+---
+"trigger.dev": patch
+"@trigger.dev/core": patch
+"@trigger.dev/rsc": patch
+---
+
+Remove experimental `bun` support. `node` is now the only supported runtime.

.cursor/rules/writing-tasks.mdc

@@ -1,6 +1,6 @@
 ---
-globs: **/trigger/**/*.ts, **/trigger/**/*.tsx,**/trigger/**/*.js,**/trigger/**/*.jsx
 description: Guidelines for writing Trigger.dev tasks
+globs: **/trigger/**/*.ts, **/trigger/**/*.tsx,**/trigger/**/*.js,**/trigger/**/*.jsx
 alwaysApply: false
 ---
 # How to write Trigger.dev tasks
@@ -1165,7 +1165,7 @@ telemetry: {
 Specify the runtime environment:
 
 ```ts
-runtime: "node", // or "bun" (experimental)
+runtime: "node",
 ```
 
 #### Machine settings

docs/config/config-file.mdx

@@ -168,22 +168,6 @@ export default defineConfig({
 
 Make sure to set the `AXIOM_API_TOKEN` and `AXIOM_DATASET` environment variables in your project.
 
-## Runtime
-
-We currently only officially support the `node` runtime, but you can try our experimental `bun` runtime by setting the `runtime` option in your config file:
-
-```ts trigger.config.ts
-import { defineConfig } from "@trigger.dev/sdk/v3";
-
-export default defineConfig({
-  project: "<project ref>",
-  // Your other config settings...
-  runtime: "bun",
-});
-```
-
-See our [Bun guide](/guides/frameworks/bun) for more information.
-
 ## Default machine
 
 You can specify the default machine for all tasks in your project:

docs/config/extensions/custom.mdx

@@ -250,7 +250,7 @@ const resolvedPath = context.resolvePath("my-other-dependency");
 <ParamField path="config" type="ResolvedConfig">
   <Expandable title="properties">
     <ResponseField name="runtime" type="string">
-      The runtime of the project (either node or bun)
+      The runtime of the project (only `node` is supported currently)
     </ResponseField>
     <ResponseField name="project" type="string">
       The project ref

docs/docs.json

@@ -252,7 +252,6 @@
           {
             "group": "Frameworks",
             "pages": [
-              "guides/frameworks/bun",
               "guides/frameworks/nextjs",
               "guides/frameworks/nodejs",
               "guides/frameworks/remix",

docs/guides/introduction.mdx

@@ -8,7 +8,6 @@ mode: "center"
 ## Frameworks
 
 <CardGroup cols={3}>
-  <Card title="Bun" img="/images/logo-bun.png" href="/guides/frameworks/bun" />
   <Card title="Next.js" img="/images/logo-nextjs.png" href="/guides/frameworks/nextjs" />
   <Card title="Node.js" img="/images/logo-nodejs.png" href="/guides/frameworks/nodejs" />
   <Card title="Remix" img="/images/logo-remix.png" href="/guides/frameworks/remix" />

docs/upgrade-to-v4.mdx

@@ -860,3 +860,7 @@ const batchHandle = await tasks.batchTrigger([
 const runs = await batchHandle.runs.list();
 console.log(runs);
 ```
+
+### Runtime changes
+
+We've removed experimental support for the `bun` runtime. The only supported runtime is now `node`.

packages/cli-v3/src/build/plugins.ts

@@ -3,7 +3,6 @@ import { BuildTarget } from "@trigger.dev/core/v3/schemas";
 import { ResolvedConfig } from "@trigger.dev/core/v3/build";
 import { configPlugin } from "../config.js";
 import { logger } from "../utilities/logger.js";
-import { bunPlugin } from "../runtimes/bun.js";
 import { resolvePathSync as esmResolveSync } from "mlly";
 import { readPackageJSON, resolvePackageJSON } from "pkg-types";
 import { dirname } from "node:path";
@@ -25,10 +24,6 @@ export async function buildPlugins(
 
   plugins.push(polyshedPlugin());
 
-  if (resolvedConfig.runtime === "bun") {
-    plugins.push(bunPlugin());
-  }
-
   return plugins;
 }
 

packages/cli-v3/src/commands/init.ts

@@ -68,7 +68,7 @@ export function configureInitCommand(program: Command) {
       )
       .option(
         "-r, --runtime <runtime>",
-        "Which runtime to use for the project. Currently only supports node and bun",
+        "Which runtime to use for the project. Currently only supports node.",
         "node"
       )
       .option("--skip-package-install", "Skip installing the @trigger.dev/sdk package")

packages/cli-v3/src/config.ts

@@ -329,11 +329,8 @@ function validateConfig(config: TriggerConfig, warn = true) {
     );
   }
 
-  if (config.runtime && config.runtime === "bun") {
-    warn &&
-      prettyWarning(
-        `The "bun" runtime is currently experimental, and certain features may not work, especially opentelemetry instrumentation of 3rd party packages.`
-      );
+  if (config.runtime && (config.runtime as string) === "bun") {
+    throw new Error("Bun support was removed in v4. Please use the `node` runtime instead.");
   }
 }
 

packages/cli-v3/src/deploy/buildImage.ts

@@ -473,24 +473,24 @@ export type GenerateContainerfileOptions = {
   entrypoint: string;
 };
 
+const NODE_21_IMAGE =
+  "node:21.7.3-bookworm-slim@sha256:dfc05dee209a1d7adf2ef189bd97396daad4e97c6eaa85778d6f75205ba1b0fb";
+
+const NODE_TEST_IMAGE = NODE_21_IMAGE;
+
 const BASE_IMAGE: Record<BuildRuntime, string> = {
-  bun: "imbios/bun-node:1.2.1-22-slim@sha256:6c31db8f11f0d37357ef8156c2dab684448b54a1fb50ca1c22bca82bce76c788",
-  node: "node:21.7.3-bookworm-slim@sha256:dfc05dee209a1d7adf2ef189bd97396daad4e97c6eaa85778d6f75205ba1b0fb",
-  "node-22":
-    "node:22.12.0-bookworm-slim@sha256:a4b757cd491c7f0b57f57951f35f4e85b7e1ad54dbffca4cf9af0725e1650cd8",
+  node: NODE_21_IMAGE,
+  "node-test": NODE_TEST_IMAGE,
 };
 
 const DEFAULT_PACKAGES = ["busybox", "ca-certificates", "dumb-init", "git", "openssl"];
 
 export async function generateContainerfile(options: GenerateContainerfileOptions) {
   switch (options.runtime) {
     case "node":
-    case "node-22": {
+    case "node-test": {
       return await generateNodeContainerfile(options);
     }
-    case "bun": {
-      return await generateBunContainerfile(options);
-    }
   }
 }
 
@@ -520,104 +520,6 @@ const parseGenerateOptions = (options: GenerateContainerfileOptions) => {
   };
 };
 
-async function generateBunContainerfile(options: GenerateContainerfileOptions) {
-  const { baseImage, buildArgs, buildEnvVars, postInstallCommands, baseInstructions, packages } =
-    parseGenerateOptions(options);
-
-  return `# syntax=docker/dockerfile:1
-FROM ${baseImage} AS base
-
-${baseInstructions}
-
-ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get update && \
-  apt-get --fix-broken install -y && \
-  apt-get install -y --no-install-recommends ${packages} && \
-  apt-get clean && \
-  rm -rf /var/lib/apt/lists/*
-
-FROM base AS build
-
-RUN apt-get update && \
-  apt-get install -y --no-install-recommends python3 make g++ && \
-  apt-get clean && \
-  rm -rf /var/lib/apt/lists/*
-
-USER bun
-WORKDIR /app
-
-${buildArgs}
-
-${buildEnvVars}
-
-COPY --chown=bun:bun package.json ./
-RUN bun install --production --no-save
-
-# Now copy all the files
-# IMPORTANT: Do this after running npm install because npm i will wipe out the node_modules directory
-COPY --chown=bun:bun . .
-
-${postInstallCommands}
-
-FROM build AS indexer
-
-USER bun
-WORKDIR /app
-
-ARG TRIGGER_PROJECT_ID
-ARG TRIGGER_DEPLOYMENT_ID
-ARG TRIGGER_DEPLOYMENT_VERSION
-ARG TRIGGER_CONTENT_HASH
-ARG TRIGGER_PROJECT_REF
-ARG NODE_EXTRA_CA_CERTS
-ARG TRIGGER_SECRET_KEY
-ARG TRIGGER_API_URL
-
-ENV TRIGGER_PROJECT_ID=\${TRIGGER_PROJECT_ID} \
-    TRIGGER_DEPLOYMENT_ID=\${TRIGGER_DEPLOYMENT_ID} \
-    TRIGGER_DEPLOYMENT_VERSION=\${TRIGGER_DEPLOYMENT_VERSION} \
-    TRIGGER_PROJECT_REF=\${TRIGGER_PROJECT_REF} \
-    TRIGGER_CONTENT_HASH=\${TRIGGER_CONTENT_HASH} \
-    TRIGGER_SECRET_KEY=\${TRIGGER_SECRET_KEY} \
-    TRIGGER_API_URL=\${TRIGGER_API_URL} \
-    NODE_EXTRA_CA_CERTS=\${NODE_EXTRA_CA_CERTS} \
-    NODE_ENV=production
-
-# Run the indexer
-RUN bun run ${options.indexScript}
-
-# Development or production stage builds upon the base stage
-FROM base AS final
-
-USER bun
-WORKDIR /app
-
-ARG TRIGGER_PROJECT_ID
-ARG TRIGGER_DEPLOYMENT_ID
-ARG TRIGGER_DEPLOYMENT_VERSION
-ARG TRIGGER_CONTENT_HASH
-ARG TRIGGER_PROJECT_REF
-ARG NODE_EXTRA_CA_CERTS
-
-ENV TRIGGER_PROJECT_ID=\${TRIGGER_PROJECT_ID} \
-    TRIGGER_DEPLOYMENT_ID=\${TRIGGER_DEPLOYMENT_ID} \
-    TRIGGER_DEPLOYMENT_VERSION=\${TRIGGER_DEPLOYMENT_VERSION} \
-    TRIGGER_CONTENT_HASH=\${TRIGGER_CONTENT_HASH} \
-    TRIGGER_PROJECT_REF=\${TRIGGER_PROJECT_REF} \
-    NODE_EXTRA_CA_CERTS=\${NODE_EXTRA_CA_CERTS} \
-    NODE_ENV=production
-
-# Copy the files from the build stage
-COPY --from=build --chown=bun:bun /app ./
-
-# Copy the index.json file from the indexer stage
-COPY --from=indexer --chown=bun:bun /app/index.json ./
-
-ENTRYPOINT [ "dumb-init", "node", "${options.entrypoint}" ]
-CMD []
-  `;
-}
-
 async function generateNodeContainerfile(options: GenerateContainerfileOptions) {
   const { baseImage, buildArgs, buildEnvVars, postInstallCommands, baseInstructions, packages } =
     parseGenerateOptions(options);

packages/cli-v3/src/executions/taskRunProcess.ts

@@ -145,7 +145,6 @@ export class TaskRunProcess {
     const fullEnv = {
       ...$env,
       OTEL_IMPORT_HOOK_INCLUDES: workerManifest.otelImportHook?.include?.join(","),
-      // TODO: this will probably need to use something different for bun (maybe --preload?)
       NODE_OPTIONS: execOptionsForRuntime(workerManifest.runtime, workerManifest, maxOldSpaceSize),
       PATH: process.env.PATH,
       TRIGGER_PROCESS_FORK_START_TIME: String(Date.now()),