diff --git a/build-tests/heft-fastify-test/.eslintrc.js b/build-tests/heft-fastify-test/.eslintrc.js
new file mode 100644
index 00000000000..60160b354c4
--- /dev/null
+++ b/build-tests/heft-fastify-test/.eslintrc.js
@@ -0,0 +1,7 @@
+// This is a workaround for https://github.com/eslint/eslint/issues/3458
+require('@rushstack/eslint-config/patch/modern-module-resolution');
+
+module.exports = {
+  extends: ['@rushstack/eslint-config/profile/node'],
+  parserOptions: { tsconfigRootDir: __dirname }
+};
diff --git a/build-tests/heft-fastify-test/README.md b/build-tests/heft-fastify-test/README.md
new file mode 100644
index 00000000000..f9eaf392cdb
--- /dev/null
+++ b/build-tests/heft-fastify-test/README.md
@@ -0,0 +1,3 @@
+# heft-fastify-test
+
+This project tests Heft support for the [Fastify](https://www.fastify.io/) framework for Node.js services.
diff --git a/build-tests/heft-fastify-test/config/heft.json b/build-tests/heft-fastify-test/config/heft.json
new file mode 100644
index 00000000000..99e058540fb
--- /dev/null
+++ b/build-tests/heft-fastify-test/config/heft.json
@@ -0,0 +1,51 @@
+/**
+ * Defines configuration used by core Heft.
+ */
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/heft/heft.schema.json",
+
+  "eventActions": [
+    {
+      /**
+       * The kind of built-in operation that should be performed.
+       * The "deleteGlobs" action deletes files or folders that match the
+       * specified glob patterns.
+       */
+      "actionKind": "deleteGlobs",
+
+      /**
+       * The stage of the Heft run during which this action should occur. Note that actions specified in heft.json
+       * occur at the end of the stage of the Heft run.
+       */
+      "heftEvent": "clean",
+
+      /**
+       * A user-defined tag whose purpose is to allow configs to replace/delete handlers that were added by other
+       * configs.
+       */
+      "actionId": "defaultClean",
+
+      /**
+       * Glob patterns to be deleted. The paths are resolved relative to the project folder.
+       */
+      "globsToDelete": ["dist", "lib", "temp"]
+    }
+  ],
+
+  /**
+   * The list of Heft plugins to be loaded.
+   */
+  "heftPlugins": [
+    // {
+    //  /**
+    //   * The path to the plugin package.
+    //   */
+    //  "plugin": "path/to/my-plugin",
+    //
+    //  /**
+    //   * An optional object that provides additional settings that may be defined by the plugin.
+    //   */
+    //  // "options": { }
+    // }
+  ]
+}
diff --git a/build-tests/heft-fastify-test/config/rush-project.json b/build-tests/heft-fastify-test/config/rush-project.json
new file mode 100644
index 00000000000..61e414685c1
--- /dev/null
+++ b/build-tests/heft-fastify-test/config/rush-project.json
@@ -0,0 +1,3 @@
+{
+  "projectOutputFolderNames": ["lib", "dist"]
+}
diff --git a/build-tests/heft-fastify-test/package.json b/build-tests/heft-fastify-test/package.json
new file mode 100644
index 00000000000..134044f0bc3
--- /dev/null
+++ b/build-tests/heft-fastify-test/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "heft-fastify-test",
+  "description": "This project tests Heft support for the Fastify framework for Node.js services",
+  "version": "1.0.0",
+  "private": true,
+  "main": "lib/index.js",
+  "license": "MIT",
+  "scripts": {
+    "build": "heft test --clean"
+  },
+  "devDependencies": {
+    "@rushstack/eslint-config": "workspace:*",
+    "@rushstack/heft": "workspace:*",
+    "@types/heft-jest": "1.0.1",
+    "@types/node": "10.17.13",
+    "eslint": "~7.12.1",
+    "typescript": "~3.9.7"
+  }
+}
diff --git a/build-tests/heft-fastify-test/src/start.ts b/build-tests/heft-fastify-test/src/start.ts
new file mode 100644
index 00000000000..f8c17d2b962
--- /dev/null
+++ b/build-tests/heft-fastify-test/src/start.ts
@@ -0,0 +1,4 @@
+// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
+// See LICENSE in the project root for license information.
+
+console.log('Hello, world!');
diff --git a/build-tests/heft-fastify-test/tsconfig.json b/build-tests/heft-fastify-test/tsconfig.json
new file mode 100644
index 00000000000..845c0343e3c
--- /dev/null
+++ b/build-tests/heft-fastify-test/tsconfig.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json.schemastore.org/tsconfig",
+
+  "compilerOptions": {
+    "outDir": "lib",
+    "rootDir": "src",
+
+    "forceConsistentCasingInFileNames": true,
+    "jsx": "react",
+    "declaration": true,
+    "sourceMap": true,
+    "declarationMap": true,
+    "inlineSources": true,
+    "experimentalDecorators": true,
+    "strictNullChecks": true,
+    "noUnusedLocals": true,
+    "types": ["heft-jest", "node"],
+
+    "module": "commonjs",
+    "target": "es2017",
+    "lib": ["es2017"]
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx"],
+  "exclude": ["node_modules", "lib"]
+}
diff --git a/rush.json b/rush.json
index bf1b1888564..6356932e3fa 100644
--- a/rush.json
+++ b/rush.json
@@ -568,6 +568,12 @@
       "reviewCategory": "tests",
       "shouldPublish": false
     },
+    {
+      "packageName": "heft-fastify-test",
+      "projectFolder": "build-tests/heft-fastify-test",
+      "reviewCategory": "tests",
+      "shouldPublish": false
+    },
     {
       "packageName": "heft-minimal-rig-test",
       "projectFolder": "build-tests/heft-minimal-rig-test",