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Deploy a Bun application on DigitalOcean - Bun

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Deploy a Bun application on DigitalOcean - BunSkip to main contentBun home pageSearch...⌘KInstall BunSearch...NavigationDeploymentDeploy a Bun application on DigitalOceanRuntimePackage ManagerBundlerTest RunnerGuidesReferenceBlogFeedbackdiv:first-child]:!hidden peer-[.is-custom]:[&>div:first-child]:sm:!hidden peer-[.is-custom]:[&>div:first-child]:md:!hidden peer-[.is-custom]:[&>div:first-child]:lg:!hidden peer-[.is-custom]:[&>div:first-child]:xl:!hidden">OverviewGuidesDeploymentDeploy on VercelDeploy on RailwayDeploy on RenderDeploy on AWS LambdaDeploy on DigitalOceanDeploy on Google Cloud RunRuntime & DebuggingTypeScript typesRe-map import pathsVS Code debuggerWeb debuggerHeap snapshotsBuild-time constantsDefine constantsGitHub ActionsCodesign on macOSUtilitiesUpgrade BunDetect BunGet Bun versionHash passwordGenerate UUIDBase64 encodingGzip compressionDEFLATE compressionEscape HTMLDeep equalitySleepFile URL to pathPath to file URLFind executable pathimport.meta.dirimport.meta.fileimport.meta.pathCheck entrypointGet entrypoint pathEcosystem & FrameworksAstro with BunDiscord.js with BunDocker with BunDrizzle with BunGel with BunElysia with BunExpress with BunHono with BunMongoose with BunNeon Drizzle with BunNeon Serverless Postgres with BunNext.js with BunNuxt with BunPM2 with BunPrisma ORM with BunPrisma Postgres with BunQwik with BunReact with BunRemix with BunTanStack Start with BunSentry with BunSolidStart with BunSSR React with BunStricJS with BunSvelteKit with Bunsystemd with BunVite with BunUpstash with BunHTTP & NetworkingHTTP Server with BunSimple HTTP Server with BunFetch with BunHot reload an HTTP serverStart a cluster of HTTP serversConfigure TLSProxy HTTP requests using fetch()Stream file responseUpload files via HTTP using FormDataFetch with unix domain socketsStream with iteratorsStream with Node.jsWebSocketSimple serverPub-sub serverContextual dataEnable compressionProcesses & SystemSpawn child processRead stdoutRead stderrParse command-line argumentsRead from stdinSpawn a child process and communicate using IPCListen for CTRL+COS signalsProcess uptimeRun shell commandSet time zoneSet env variablesRead env variablesPackage ManagerAdd a dependencyAdd a dev dependencyAdd an optional dependencyAdd a peer dependencyAdd a Git dependencyAdd a tarball dependencyInstall with aliasWorkspaces with BunOverride the default npm registryConfigure a scoped registryAzure Artifacts with BunJFrog Artifactory with BunAdd a trusted dependencyGenerate a yarn-compatible lockfileMigrate from npm to bunConfigure git to diff Bun's lockfileInstall Bun in GitHub ActionsTest RunnerRun testsWatch modeMigrate from JestMock functionsSpy on methodsMock system timeSnapshot testingUpdate snapshotsCoverage reportsCoverage thresholdConcurrent test globSkip testsTodo testsTest timeoutBail earlyRe-run testsTesting LibraryDOM testsTest SvelteRuntime & DebuggingVS Code debuggerWeb debuggerHeap snapshotsBuild-time constantsDefine constantsGitHub ActionsCodesign on macOSModule SystemImport JSONImport TOMLImport YAMLImport JSON5Import HTMLimport.meta.dirimport.meta.fileimport.meta.pathCheck entrypointGet entrypoint pathFile SystemRead as stringRead to BufferRead to Uint8ArrayRead to ArrayBufferRead JSON fileGet MIME typeCheck file existsWatch directoryRead as streamWrite string to fileWrite BlobWrite ResponseAppend to fileIncremental writeWrite streamWrite to stdoutWrite file to stdoutCopy fileDelete fileDelete filesDelete directoriesUtilitiesHash passwordGenerate UUIDBase64 encodingGzip compressionDEFLATE compressionEscape HTMLDeep equalitySleepFile URL to pathPath to file URLFind executable pathHTML ProcessingExtract links using HTMLRewriterOpenGraph tagsBinary DataArrayBuffer to stringArrayBuffer to BufferArrayBuffer to BlobArrayBuffer to ArrayArrayBuffer to Uint8ArrayBuffer to stringBuffer to ArrayBufferBuffer to BlobBuffer to Uint8ArrayBuffer to ReadableStreamBlob to stringBlob to ArrayBufferBlob to Uint8ArrayBlob to DataViewBlob to ReadableStreamUint8Array to stringUint8Array to ArrayBufferUint8Array to BufferUint8Array to BlobUint8Array to DataViewUint8Array to ReadableStreamDataView to stringStreamsStream to stringStream to JSONStream to BlobStream to BufferStream to ArrayBufferStream to Uint8ArrayStream to arrayReadable to stringReadable to JSONReadable to BlobReadable to Uint8ArrayReadable to ArrayBufferDeploymentDeploy a Bun application on DigitalOceanCopy pagespan]:line-clamp-1 overflow-hidden group flex items-center py-0.5 gap-1 text-sm text-gray-950/50 dark:text-white/50 group-hover:text-gray-950/70 dark:group-hover:text-white/70 rounded-none rounded-r-xl border px-3 border-gray-200 aspect-square dark:border-white/[0.07] bg-background-light dark:bg-background-dark hover:bg-gray-600/5 dark:hover:bg-gray-200/5" aria-label="More actions" type="button" id="radix-_R_2shjinpfd9rqaabsnpfdb_" aria-haspopup="menu" aria-expanded="false" data-state="closed">Copy pagespan]:line-clamp-1 overflow-hidden group flex items-center py-0.5 gap-1 text-sm text-gray-950/50 dark:text-white/50 group-hover:text-gray-950/70 dark:group-hover:text-white/70 rounded-none rounded-r-xl border px-3 border-gray-200 aspect-square dark:border-white/[0.07] bg-background-light dark:bg-background-dark hover:bg-gray-600/5 dark:hover:bg-gray-200/5" aria-label="More actions" type="button" id="radix-_R_5hjinpfd9rqaabsnpfdb_" aria-haspopup="menu" aria-expanded="false" data-state="closed">DigitalOcean is a cloud platform that provides a range of services for building and deploying applications. In this guide, we will deploy a Bun HTTP server to DigitalOcean using a Dockerfile. Before continuing, make sure you have: A Bun application ready for deployment A DigitalOcean account DigitalOcean CLI installed and configured Docker installed and added to your PATH 1

Create a new DigitalOcean Container Registry

Create a new Container Registry to store the Docker image. Through the DigitalOcean dashboard Through the DigitalOcean CLIIn the DigitalOcean dashboard, go to Container Registry, and enter the details for the new registry.Make sure the details are correct, then click Create Registry.terminalCopydoctl registry create bun-digitalocean-demo CopyName Endpoint Region slug bun-digitalocean-demo registry.digitalocean.com/bun-digitalocean-demo sfo2 You should see the new registry in the DigitalOcean registry dashboard:2

Create a new Dockerfile

Make sure you’re in the directory containing your project, then create a new Dockerfile in the root of your project. This file contains the instructions to initialize the container, copy your local project files into it, install dependencies, and start the application.DockerfileCopy# Use the official Bun image to run the application FROM oven/bun:debian # Set the work directory to `/app` WORKDIR /app # Copy the package.json and bun.lock into the container COPY package.json bun.lock ./ # Install the dependencies RUN bun install --production --frozen-lockfile # Copy the rest of the application into the container COPY . . # Expose the port (DigitalOcean will set PORT env var) EXPOSE 8080 # Run the application CMD ["bun", "index.ts"] Make sure that the start command corresponds to your application’s entry point. This can also be CMD ["bun", "run", "start"] if you have a start script in your package.json.This image installs dependencies and runs your app with Bun inside a container. If your app doesn’t have dependencies, you can omit the RUN bun install --production --frozen-lockfile line.Create a new .dockerignore file in the root of your project. This file contains the files and directories that should be excluded from the container image, such as node_modules. This makes your builds faster and smaller:.dockerignoreCopynode_modules Dockerfile* .dockerignore .git .gitignore README.md LICENSE .vscode .env # Any other files or directories you want to exclude 3

Authenticate Docker with DigitalOcean registry

Before building and pushing the Docker image, authenticate Docker with the DigitalOcean Container Registry:terminalCopydoctl registry login CopySuccessfully authenticated with registry.digitalocean.com This command authenticates Docker with DigitalOcean’s registry using your DigitalOcean credentials. Without this step, the build and push command will fail with a 401 authentication error.4

Build and push the Docker image to the DigitalOcean registry

Make sure you’re in the directory containing your Dockerfile, then build and push the Docker image to the DigitalOcean registry in one command:terminalCopydocker buildx build --platform=linux/amd64 -t registry.digitalocean.com/bun-digitalocean-demo/bun-digitalocean-demo:latest --push . If you’re building on an ARM Mac (M1/M2), you must use docker buildx with --platform=linux/amd64 to ensure compatibility with DigitalOcean’s infrastructure. Using docker build without the platform flag will create an ARM64 image that won’t run on DigitalOcean.Once the image is pushed, you should see it in the DigitalOcean registry dashboard:5

Create a new DigitalOcean App Platform project

In the DigitalOcean dashboard, go to App Platform > Create App. We can create a project directly from the container image.Make sure the details are correct, then click Next.Review and configure resource settings, then click Create app.6

Visit your live application

🥳 Your app is now live! Once the app is created, you should see it in the App Platform dashboard with the public URL.

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