Cloudflare

// WRONG: Pulumi won't bundle this
const worker = new cloudflare.WorkerScript("worker", {
    content: fs.readFileSync("./src/index.ts", "utf8"), // Raw TS file
});

// RIGHT: Build first, then deploy
import * as command from "@pulumi/command";
const build = new command.local.Command("build", {
    create: "npm run build",
    dir: "./worker",
});
const worker = new cloudflare.WorkerScript("worker", {
    content: build.stdout.apply(() => fs.readFileSync("./worker/dist/index.js", "utf8")),
}, {dependsOn: [build]});

// Pattern: Export Pulumi config to wrangler.toml
const workerConfig = {
    name: "my-worker",
    compatibilityDate: "2025-01-01",
    compatibilityFlags: ["nodejs_compat"],
};

new command.local.Command("generate-wrangler", {
    create: pulumi.interpolate`cat > wrangler.toml <<EOF
name = "${workerConfig.name}"
compatibility_date = "${workerConfig.compatibilityDate}"
compatibility_flags = ${JSON.stringify(workerConfig.compatibilityFlags)}
EOF`,
});

const version = Date.now().toString();
const worker = new cloudflare.WorkerScript("worker", {
    content: code,
    plainTextBindings: [{name: "VERSION", text: version}], // Forces new deployment
});

const db = new cloudflare.D1Database("db", {accountId, name: "mydb"});

// Run migrations after DB created
const migration = new command.local.Command("migrate", {
    create: pulumi.interpolate`wrangler d1 execute ${db.name} --file ./schema.sql`,
}, {dependsOn: [db]});

// Worker depends on migrations
const worker = new cloudflare.WorkerScript("worker", {
    d1DatabaseBindings: [{name: "DB", databaseId: db.id}],
}, {dependsOn: [migration]});

# Pulumi.<stack>.yaml
config:
  cloudflare:accountId: "abc123..."

// Pulumi
kvNamespaceBindings: [{name: "MY_KV", namespaceId: kv.id}]

// Worker code
export default { async fetch(request, env) { await env.MY_KV.get("key"); }}

pulumi import cloudflare:index/workerScript:WorkerScript my-worker <account_id>/<worker_name>
pulumi preview # If shows changes, adjust Pulumi code to match actual resource

// SIMPLE: WorkerScript auto-versions (default behavior)
const worker = new cloudflare.WorkerScript("worker", {
    accountId, name: "my-worker", content: code,
});

// ADVANCED: Manual versioning for gradual rollouts (v6.x)
const worker = new cloudflare.Worker("worker", {accountId, name: "my-worker"});
const version = new cloudflare.WorkerVersion("v1", {
    accountId, workerId: worker.id, content: code, compatibilityDate: "2025-01-01",
});
const deployment = new cloudflare.WorkersDeployment("prod", {
    accountId, workerId: worker.id, versionId: version.id,
});