diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e144bcc7..9148594a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '10', '12' ]
+        node: [ '12', '14' ]
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v1
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 6d5d85cc..15a9bb45 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -1,5 +1,10 @@
 on:
-  workflow_dispatch: {}
+  workflow_dispatch:
+    inputs:
+      checkout:
+        description: ref to deploy
+        required: true
+        default: master
   repository_dispatch:
     types: [published]
 jobs:
@@ -8,39 +13,30 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       with:
-        ref: master
+        ref: ${{ github.event.inputs.checkout || 'master' }}
     - uses: actions/setup-node@v1
       with:
-        node-version: 12.15.0
+        node-version: 14
     - name: install
       run: yarn install --frozen-lockfile
     - name: lint
       run: yarn lint
     - name: test
       run: yarn test
-    - name: package
-      run: |
-        pushd packages/publisher
-        mkdir packed && cd $_
-        cp ../../../yarn.lock ./
-        cp ../package.json ./
-        cp ../tsconfig.json ./
-        cp ../server.js ./
-        cp ../IISNode.yml ./
-        cp ../LICENSE ./
-        cp ../.deployment ./
-        cp ../deploy.sh ./
-        cp -r ../dist ./
-        popd
+    - name: copy yarn.lock
+      run: cp yarn.lock packages/publisher/
     - name: deploy publisher
-      uses: azure/webapps-deploy@v2
+      uses: azure/functions-action@v1
       with:
-        app-name: TypesPublisher
-        publish-profile: ${{ secrets.typesPublisherAzurePublishProfile }}
-        package: packages/publisher/packed
+        app-name: types-publisher
         slot-name: production
-    - name: upload packed directory
+        publish-profile: ${{ secrets.typesPublisherFunctionsPublishProfile }}
+        package: packages/publisher
+        scm-do-build-during-deployment: true
+        enable-oryx-build: true
+    - name: upload artifacts
+      if: always()
       uses: actions/upload-artifact@v1
       with:
-        name: publisher
-        path: packages/publisher/packed
+        name: temp
+        path: /home/runner/work/_temp
\ No newline at end of file
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 1663a791..7a98981b 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -4,7 +4,8 @@
 
 	// List of extensions which should be recommended for users of this workspace.
 	"recommendations": [
-		"esbenp.prettier-vscode"
+		"esbenp.prettier-vscode",
+		"ms-azuretools.vscode-azurefunctions"
 	],
 	// List of extensions recommended by VS Code that should not be recommended for users of this workspace.
 	"unwantedRecommendations": [
diff --git a/package.json b/package.json
index 294ac5c7..10ce6862 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@types/jest": "^25.1.3",
-    "@types/node": "^12.12.29",
+    "@types/node": "^14.14.35",
     "@types/yargs": "^15.0.4",
     "@typescript-eslint/eslint-plugin": "^4.8.1",
     "@typescript-eslint/parser": "^4.8.1",
diff --git a/packages/definitions-parser/package.json b/packages/definitions-parser/package.json
index c709a37f..2b61b881 100644
--- a/packages/definitions-parser/package.json
+++ b/packages/definitions-parser/package.json
@@ -22,11 +22,11 @@
     "@definitelytyped/header-parser": "^0.0.73",
     "@definitelytyped/typescript-versions": "^0.0.73",
     "@definitelytyped/utils": "^0.0.74-next.1",
-    "@types/node": "^12.12.29",
-    "fs-extra": "^8.1.0"
+    "@types/node": "^14.14.35",
+    "fs-extra": "^9.1.0"
   },
   "devDependencies": {
-    "@types/fs-extra": "^8.1.0",
+    "@types/fs-extra": "^9.0.8",
     "typescript": "^4.1.0"
   },
   "peerDependencies": {
diff --git a/packages/publisher/.deployment b/packages/publisher/.deployment
deleted file mode 100644
index 1e42f16c..00000000
--- a/packages/publisher/.deployment
+++ /dev/null
@@ -1,2 +0,0 @@
-[config]
-command = bash deploy.sh
\ No newline at end of file
diff --git a/packages/publisher/.funcignore b/packages/publisher/.funcignore
new file mode 100644
index 00000000..09293b86
--- /dev/null
+++ b/packages/publisher/.funcignore
@@ -0,0 +1,6 @@
+*.js.map
+*.ts
+.git*
+.vscode
+local.settings.json
+test
\ No newline at end of file
diff --git a/packages/publisher/.gitignore b/packages/publisher/.gitignore
index 11318c84..73ed0376 100644
--- a/packages/publisher/.gitignore
+++ b/packages/publisher/.gitignore
@@ -7,3 +7,5 @@ output/
 validateOutput/
 \#*
 .\#*
+local.settings.json
+lock.json
diff --git a/packages/publisher/.travis.yml b/packages/publisher/.travis.yml
deleted file mode 100644
index 8809142b..00000000
--- a/packages/publisher/.travis.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-language: node_js
-
-node_js:
-  - 'node'
-
-sudo: false
-
-branches:
-  only:
-  - master
-
-install:
-  - npm ci
-
-git:
-  depth: 1
diff --git a/packages/publisher/IISNode.yml b/packages/publisher/IISNode.yml
deleted file mode 100644
index 802d5efd..00000000
--- a/packages/publisher/IISNode.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-# For all options see https://github.com/tjanczuk/iisnode/blob/master/src/samples/configuration/iisnode.yml
-nodeProcessCommandLine: node.exe --stack-trace-limit=1000
-loggingEnabled: true
-devErrorsEnabled: false
-maxLogFileSizeInKB: 2048
-maxTotalLogFileSizeInKB: 65536
-maxLogFiles: 16384
diff --git a/packages/publisher/deploy.sh b/packages/publisher/deploy.sh
deleted file mode 100644
index c978cc40..00000000
--- a/packages/publisher/deploy.sh
+++ /dev/null
@@ -1,132 +0,0 @@
-#!/bin/bash
-
-# ----------------------
-# KUDU Deployment Script
-# Version: 1.0.17
-# ----------------------
-
-# Helpers
-# -------
-
-exitWithMessageOnError () {
-  if [ ! $? -eq 0 ]; then
-    echo "An error has occurred during web site deployment."
-    echo $1
-    exit 1
-  fi
-}
-
-# Prerequisites
-# -------------
-
-# Verify node.js installed
-hash node 2>/dev/null
-exitWithMessageOnError "Missing node.js executable, please install node.js, if already installed make sure it can be reached from current environment."
-
-# Setup
-# -----
-
-SCRIPT_DIR="${BASH_SOURCE[0]%\\*}"
-SCRIPT_DIR="${SCRIPT_DIR%/*}"
-ARTIFACTS=$SCRIPT_DIR/../artifacts
-KUDU_SYNC_CMD=${KUDU_SYNC_CMD//\"}
-
-if [[ ! -n "$DEPLOYMENT_SOURCE" ]]; then
-  DEPLOYMENT_SOURCE=$SCRIPT_DIR
-fi
-
-if [[ ! -n "$NEXT_MANIFEST_PATH" ]]; then
-  NEXT_MANIFEST_PATH=$ARTIFACTS/manifest
-
-  if [[ ! -n "$PREVIOUS_MANIFEST_PATH" ]]; then
-    PREVIOUS_MANIFEST_PATH=$NEXT_MANIFEST_PATH
-  fi
-fi
-
-if [[ ! -n "$DEPLOYMENT_TARGET" ]]; then
-  DEPLOYMENT_TARGET=$ARTIFACTS/wwwroot
-else
-  KUDU_SERVICE=true
-fi
-
-if [[ ! -n "$KUDU_SYNC_CMD" ]]; then
-  # Install kudu sync
-  echo Installing Kudu Sync
-  npm install kudusync -g --silent
-  exitWithMessageOnError "npm failed"
-
-  if [[ ! -n "$KUDU_SERVICE" ]]; then
-    # In case we are running locally this is the correct location of kuduSync
-    KUDU_SYNC_CMD=kuduSync
-  else
-    # In case we are running on kudu service this is the correct location of kuduSync
-    KUDU_SYNC_CMD=$APPDATA/npm/node_modules/kuduSync/bin/kuduSync
-  fi
-fi
-
-# Node Helpers
-# ------------
-
-selectNodeVersion () {
-  if [[ -n "$KUDU_SELECT_NODE_VERSION_CMD" ]]; then
-    SELECT_NODE_VERSION="$KUDU_SELECT_NODE_VERSION_CMD \"$DEPLOYMENT_SOURCE\" \"$DEPLOYMENT_TARGET\" \"$DEPLOYMENT_TEMP\""
-    eval $SELECT_NODE_VERSION
-    exitWithMessageOnError "select node version failed"
-
-    if [[ -e "$DEPLOYMENT_TEMP/__nodeVersion.tmp" ]]; then
-      NODE_EXE=`cat "$DEPLOYMENT_TEMP/__nodeVersion.tmp"`
-      exitWithMessageOnError "getting node version failed"
-    fi
-
-    if [[ -e "$DEPLOYMENT_TEMP/__npmVersion.tmp" ]]; then
-      NPM_JS_PATH=`cat "$DEPLOYMENT_TEMP/__npmVersion.tmp"`
-      exitWithMessageOnError "getting npm version failed"
-    fi
-
-    if [[ ! -n "$NODE_EXE" ]]; then
-      NODE_EXE=node
-    fi
-
-    NPM_CMD="\"$NODE_EXE\" \"$NPM_JS_PATH\""
-  else
-    NPM_CMD=npm
-    NODE_EXE=node
-  fi
-}
-
-##################################################################################################################################
-# Deployment
-# ----------
-
-echo Handling node.js deployment.
-
-# 1. Select node version
-selectNodeVersion
-
-# 2. Install npm packages
-if [ -e "$DEPLOYMENT_SOURCE/package.json" ]; then
-  pushd "$DEPLOYMENT_SOURCE"
-
-  echo "Installing yarn"
-  eval $NPM_CMD install --global yarn@1.19.2
-
-  echo "Removing previous node_modules"
-  rm -rf node_modules || true
-
-  echo "Running yarn install --production"
-  NPM_BIN=`eval $NPM_CMD --global bin`
-  "$NPM_BIN/yarn" install --production
-
-  popd
-  exitWithMessageOnError "yarn failed"
-fi
-
-# 1. KuduSync
-if [[ "$IN_PLACE_DEPLOYMENT" -ne "1" ]]; then
-  rm -rf "$DEPLOYMENT_TARGET/node_modules" # Sync sometimes messes up node_modules
-  "$KUDU_SYNC_CMD" -v 50 -f "$DEPLOYMENT_SOURCE" -t "$DEPLOYMENT_TARGET" -n "$NEXT_MANIFEST_PATH" -p "$PREVIOUS_MANIFEST_PATH" -i ".git;.hg;.deployment;deploy.sh"
-  exitWithMessageOnError "Kudu Sync failed"
-fi
-
-##################################################################################################################################
-echo "Finished successfully."
diff --git a/packages/publisher/host.json b/packages/publisher/host.json
new file mode 100644
index 00000000..eff6cefb
--- /dev/null
+++ b/packages/publisher/host.json
@@ -0,0 +1,16 @@
+{
+  "version": "2.0",
+  "logging": {
+    "applicationInsights": {
+      "samplingSettings": {
+        "isEnabled": true,
+        "excludedTypes": "Request"
+      }
+    }
+  },
+  "extensionBundle": {
+    "id": "Microsoft.Azure.Functions.ExtensionBundle",
+    "version": "[1.*, 2.0.0)"
+  },
+  "functionTimeout": "01:30:00"
+}
diff --git a/packages/publisher/package.json b/packages/publisher/package.json
index ec267031..b99f9a60 100644
--- a/packages/publisher/package.json
+++ b/packages/publisher/package.json
@@ -6,6 +6,7 @@
   "types": "dist/index.d.ts",
   "description": "Publish DefinitelyTyped definitions to NPM",
   "dependencies": {
+    "@azure/functions": "^1.2.3",
     "@definitelytyped/definitions-parser": "^0.0.74-next.1",
     "@definitelytyped/header-parser": "^0.0.73",
     "@definitelytyped/retag": "^0.0.74-next.1",
@@ -15,7 +16,7 @@
     "adal-node": "^0.1.22",
     "applicationinsights": "^1.0.7",
     "azure-keyvault": "^3.0.4",
-    "fs-extra": "4.0.0",
+    "fs-extra": "^9.1.0",
     "fstream": "^1.0.12",
     "longjohn": "^0.2.11",
     "npm": "^6.13.4",
@@ -26,9 +27,8 @@
     "yargs": "15.3.1"
   },
   "devDependencies": {
-    "@types/fs-extra": "4.0.0",
+    "@types/fs-extra": "^9.0.8",
     "@types/mz": "^0.0.31",
-    "@types/node": "^12.12.29",
     "@types/oboe": "^2.0.28",
     "@types/source-map-support": "^0.4.0",
     "@types/travis-fold": "^0.1.0",
@@ -36,6 +36,7 @@
   },
   "scripts": {
     "build": "tsc -b",
+    "oryx": "echo 'Skipping build, should already have built with tsc during CI, before deployment.'",
     "test": "../../node_modules/.bin/jest --config ../../jest.config.js packages/publisher",
     "clean": "node -r source-map-support/register dist/clean.js",
     "get-definitely-typed": "node -r source-map-support/register dist/get-definitely-typed.js",
diff --git a/packages/publisher/server.js b/packages/publisher/server.js
deleted file mode 100644
index 52182dca..00000000
--- a/packages/publisher/server.js
+++ /dev/null
@@ -1,3 +0,0 @@
-require("./dist/main.js")
-  .default()
-  .catch(console.error);
diff --git a/packages/publisher/src/.vscode/launch.json b/packages/publisher/src/.vscode/launch.json
deleted file mode 100644
index 6ef1d6e2..00000000
--- a/packages/publisher/src/.vscode/launch.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-       {
-            "type": "node",
-            "request": "attach",
-            "name": "9229",
-            "port": 9229,
-            "sourceMaps": true,
-            "stopOnEntry": false
-            
-        }
-    ]
-}
\ No newline at end of file
diff --git a/packages/publisher/src/lib/secrets.ts b/packages/publisher/src/lib/secrets.ts
index 70ab3a30..28d522c9 100644
--- a/packages/publisher/src/lib/secrets.ts
+++ b/packages/publisher/src/lib/secrets.ts
@@ -4,11 +4,6 @@ import { mapDefined } from "@definitelytyped/utils";
 import { azureKeyvault } from "./settings";
 
 export enum Secret {
-  /**
-   * Used to upload blobs.
-   * To find (or refresh) this value, go to https://ms.portal.azure.com -> All resources -> typespublisher -> General -> Access keys
-   */
-  AZURE_STORAGE_ACCESS_KEY,
   /**
    * Lets the server update an issue (https://github.com/Microsoft/types-publisher/issues/40) on GitHub in case of an error.
    * Create a token at: https://github.com/settings/tokens
diff --git a/packages/publisher/src/lib/settings.ts b/packages/publisher/src/lib/settings.ts
index dde70b13..b0e82ea4 100644
--- a/packages/publisher/src/lib/settings.ts
+++ b/packages/publisher/src/lib/settings.ts
@@ -6,6 +6,7 @@ export const cacheDirPath = joinPaths(storageDirPath, "cache");
 export const outputDirPath = joinPaths(storageDirPath, "output");
 export const validateOutputPath = joinPaths(storageDirPath, "validateOutput");
 export const logDir = joinPaths(storageDirPath, "logs");
+export const lockFilePath = joinPaths(storageDirPath, "lock.json");
 
 /** URL to download the repository from. */
 export const definitelyTypedZipUrl = "https://codeload.github.com/DefinitelyTyped/DefinitelyTyped/tar.gz/master";
diff --git a/packages/publisher/src/main.ts b/packages/publisher/src/main.ts
index 29d4275f..ba5c9fef 100644
--- a/packages/publisher/src/main.ts
+++ b/packages/publisher/src/main.ts
@@ -1,85 +1,70 @@
 import applicationinsights = require("applicationinsights");
 import * as yargs from "yargs";
+import { pathExists, writeFile, readFile, remove } from "fs-extra";
 import { getSecret, Secret } from "./lib/secrets";
-import { Fetcher, loggerWithErrors, LoggerWithErrors } from "@definitelytyped/utils";
+import { Fetcher, loggerWithErrors } from "@definitelytyped/utils";
 import { currentTimeStamp } from "./util/util";
 import full from "./full";
+import { lockFilePath } from "./lib/settings";
 
-export default async function main(): Promise<void> {
-  const githubAccessToken = await getSecret(Secret.GITHUB_ACCESS_TOKEN);
-  const dry = !!(yargs.argv.dry || process.env.WEBHOOK_FORCE_DRY);
+export default function main() {
+  return withFileLock(lockFilePath, async () => {
+    const githubAccessToken = await getSecret(Secret.GITHUB_ACCESS_TOKEN);
+    const dry = !!(yargs.argv.dry || process.env.WEBHOOK_FORCE_DRY);
 
-  if (!githubAccessToken) {
-    console.log("The environment variable GITHUB_ACCESS_TOKEN must be set.");
-  } else {
-    console.log(`=== ${dry ? "DRY" : "PRODUCTION"} RUN ===`);
-    if (process.env.APPINSIGHTS_INSTRUMENTATIONKEY) {
-      applicationinsights.setup().start();
-      console.log("Done initialising App Insights");
-    }
-    const fetcher = new Fetcher();
-
-    try {
+    if (!githubAccessToken) {
+      console.log("The environment variable GITHUB_ACCESS_TOKEN must be set.");
+    } else {
+      console.log(`=== ${dry ? "DRY" : "PRODUCTION"} RUN ===`);
+      if (process.env.APPINSIGHTS_INSTRUMENTATIONKEY) {
+        applicationinsights.setup().start();
+        console.log("Done initialising App Insights");
+      }
+      const fetcher = new Fetcher();
       const log = loggerWithErrors()[0];
-      const fullOne = updateOneAtATime(async () => {
-        log.info("");
-        log.info("");
-        log.info(`# ${currentTimeStamp()}`);
-        log.info("");
-        log.info("Starting full...");
-        try {
-          await full(
-            dry,
-            githubAccessToken,
-            fetcher,
-            {
-              definitelyTypedPath: undefined,
-              parseInParallel: false,
-              progress: false
-            },
-            log
-          );
-        } catch (err) {
-          log.info(err.toString());
-          console.error(err);
-        }
-      });
+      log.info("");
+      log.info("");
+      log.info(`# ${currentTimeStamp()}`);
+      log.info("");
+      log.info("Starting full...");
+      await full(
+        dry,
+        githubAccessToken,
+        fetcher,
+        {
+          definitelyTypedPath: undefined,
+          parseInParallel: false,
+          progress: false
+        },
+        log
+      );
+    }
+  });
+}
 
-      setInterval(fullOne, 2_000_000, log);
-      await fullOne(log);
-    } catch (e) {
+type LockFileResult = { triggered: true } | { triggered: false, timestamp: string };
+
+async function withFileLock(lockFilePath: string, cb: () => Promise<void>): Promise<LockFileResult> {
+  if (await pathExists(lockFilePath)) {
+    return { triggered: false, timestamp: await readFile(lockFilePath, "utf8")};
+  } else {
+    await writeFile(lockFilePath, currentTimeStamp());
+    cb().then(() => remove(lockFilePath), async error => {
+      await removeLock();
       applicationinsights.defaultClient.trackEvent({
         name: "crash",
         properties: {
-          error: e.toString()
+          error: String(error)
         }
       });
-      throw e;
-    }
+
+      process.exit(1);
+    });
+
+    return { triggered: true };
+  }
+
+  async function removeLock() {
+    await remove(lockFilePath);
   }
 }
-
-// If an update is still running after 2000 seconds, don’t start a new one
-function updateOneAtATime(doOnce: () => Promise<void>) {
-  let working = false;
-
-  return (log: LoggerWithErrors) => {
-    if (working) {
-      log.info("Not starting update, because already performing one.");
-      return undefined;
-    }
-    return work();
-
-    async function work(): Promise<void> {
-      log.info("Starting update");
-      working = true;
-      try {
-        await doOnce();
-      } catch (e) {
-        log.info(e.toString());
-      } finally {
-        working = false;
-      }
-    }
-  };
-}
diff --git a/packages/publisher/src/triggers/http.ts b/packages/publisher/src/triggers/http.ts
new file mode 100644
index 00000000..880e2d7e
--- /dev/null
+++ b/packages/publisher/src/triggers/http.ts
@@ -0,0 +1,11 @@
+import { AzureFunction, Context } from "@azure/functions";
+import main from "../main";
+
+const httpTrigger: AzureFunction = async function (context: Context): Promise<void> {
+  context.log('HTTP trigger function processed a request.');
+  const res = await main();
+  context.log(res);
+  context.res = res;
+};
+
+export default httpTrigger;
diff --git a/packages/publisher/src/triggers/timer.ts b/packages/publisher/src/triggers/timer.ts
new file mode 100644
index 00000000..5c447b0a
--- /dev/null
+++ b/packages/publisher/src/triggers/timer.ts
@@ -0,0 +1,7 @@
+import { Context } from "@azure/functions";
+import main from "../main";
+
+export default async function timerTrigger(context: Context) {
+  context.log("Running via timer trigger");
+  return main();
+}
diff --git a/packages/publisher/trigger-http/function.json b/packages/publisher/trigger-http/function.json
new file mode 100644
index 00000000..d26c3f4c
--- /dev/null
+++ b/packages/publisher/trigger-http/function.json
@@ -0,0 +1,20 @@
+{
+  "bindings": [
+    {
+      "authLevel": "function",
+      "type": "httpTrigger",
+      "direction": "in",
+      "name": "req",
+      "methods": [
+        "get",
+        "post"
+      ]
+    },
+    {
+      "type": "http",
+      "direction": "out",
+      "name": "res"
+    }
+  ],
+  "scriptFile": "../dist/functions/HttpTrigger.js"
+}
diff --git a/packages/publisher/trigger-timer/function.json b/packages/publisher/trigger-timer/function.json
new file mode 100644
index 00000000..e4004433
--- /dev/null
+++ b/packages/publisher/trigger-timer/function.json
@@ -0,0 +1,11 @@
+{
+  "bindings": [
+    {
+      "name": "myTimer",
+      "type": "timerTrigger",
+      "direction": "in",
+      "schedule": "0 */30 * * * *"
+    }
+  ],
+  "scriptFile": "../dist/functions/TimerTrigger.js"
+}
diff --git a/packages/utils/package.json b/packages/utils/package.json
index cc3cbfcc..2efc311d 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "@definitelytyped/typescript-versions": "^0.0.73",
-    "@types/node": "^12.12.29",
+    "@types/node": "^14.14.35",
     "charm": "^1.0.2",
     "fs-extra": "^8.1.0",
     "fstream": "^1.0.12",
diff --git a/packages/utils/src/process.ts b/packages/utils/src/process.ts
index cd7efcd6..c8654b5f 100644
--- a/packages/utils/src/process.ts
+++ b/packages/utils/src/process.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { ChildProcess, exec as node_exec, fork } from "child_process";
+import { ChildProcess, exec as node_exec, fork, Serializable } from "child_process";
 import { Socket } from "net";
 
 const DEFAULT_CRASH_RECOVERY_MAX_OLD_SPACE_SIZE = 4096;
@@ -113,7 +113,7 @@ interface RunWithListeningChildProcessesOptions<In> {
   handleStart?(input: In, processIndex: number | undefined): void;
   handleCrash?(input: In, state: CrashRecoveryState, processIndex: number | undefined): void;
 }
-export function runWithListeningChildProcesses<In>({
+export function runWithListeningChildProcesses<In extends Serializable>({
   inputs,
   commandLineArgs,
   workerFile,
diff --git a/yarn.lock b/yarn.lock
index f64a2c74..75ab6340 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18,6 +18,11 @@
     tslib "^1.10.0"
     uuid "^3.3.2"
 
+"@azure/functions@^1.2.3":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@azure/functions/-/functions-1.2.3.tgz#65765837e7319eedffbf8a971cb2f78d4e043d54"
+  integrity sha512-dZITbYPNg6ay6ngcCOjRUh1wDhlFITS0zIkqplyH5KfKEAVPooaoaye5mUFnR+WP9WdGRjlNXyl/y2tgWKHcRg==
+
 "@babel/code-frame@^7.0.0", "@babel/code-frame@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.8.3.tgz#33e25903d7481181534e12ec0a25f16b6fcf419e"
@@ -1488,13 +1493,6 @@
   resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
   integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
 
-"@types/fs-extra@4.0.0":
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-4.0.0.tgz#1dd742ad5c9bce308f7a52d02ebc01421bc9102f"
-  integrity sha512-PlKJw6ujJXLJjbvB3T0UCbY3jibKM6/Ya5cc9j1q+mYDeK3aR4Dp+20ZwxSuvJr9mIoPxp7+IL4aMOEvsscRTA==
-  dependencies:
-    "@types/node" "*"
-
 "@types/fs-extra@^8.1.0":
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-8.1.0.tgz#1114834b53c3914806cd03b3304b37b3bd221a4d"
@@ -1502,6 +1500,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/fs-extra@^9.0.8":
+  version "9.0.8"
+  resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-9.0.8.tgz#32c3c07ddf8caa5020f84b5f65a48470519f78ba"
+  integrity sha512-bnlTVTwq03Na7DpWxFJ1dvnORob+Otb8xHyUqUWhqvz/Ksg8+JXPlR52oeMSZ37YEOa5PyccbgUNutiQdi13TA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/glob@^7.1.1":
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.1.1.tgz#aa59a1c6e3fbc421e07ccd31a944c30eba521575"
@@ -1590,6 +1595,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.19.2.tgz#9565ed5c72ba96038fc3add643edd5e7820598e7"
   integrity sha512-SRH6QM0IMOBBFmDiJ75vlhcbUEYEquvSuhsVW9ijG20JvdFTfOrB1p6ddZxz5y/JNnbf+9HoHhjhOVSX2hsJyA==
 
+"@types/node@^14.14.35":
+  version "14.14.35"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.35.tgz#42c953a4e2b18ab931f72477e7012172f4ffa313"
+  integrity sha512-Lt+wj8NVPx0zUmUwumiVXapmaLUcAk3yPuHCFVXras9k5VT9TdhJqKqGVUQCD60OTMCl0qxJ57OiTL0Mic3Iag==
+
 "@types/node@^8.0.47":
   version "8.10.60"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.60.tgz#73eb4d1e1c8aa5dc724363b57db019cf28863ef7"
@@ -4101,15 +4111,6 @@ fs-constants@^1.0.0:
   resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
   integrity sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==
 
-fs-extra@4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.0.tgz#414fb4ca2d2170ba0014159d3a8aec3303418d9e"
-  integrity sha1-QU+0yi0hcLoAFBWdOorsMwNBjZ4=
-  dependencies:
-    graceful-fs "^4.1.2"
-    jsonfile "^3.0.0"
-    universalify "^0.1.0"
-
 fs-extra@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-6.0.1.tgz#8abc128f7946e310135ddc93b98bddb410e7a34b"
@@ -4138,6 +4139,16 @@ fs-extra@^9.0.0:
     jsonfile "^6.0.1"
     universalify "^1.0.0"
 
+fs-extra@^9.1.0:
+  version "9.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-9.1.0.tgz#5954460c764a8da2094ba3554bf839e6b9a7c86d"
+  integrity sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==
+  dependencies:
+    at-least-node "^1.0.0"
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^2.0.0"
+
 fs-minipass@^1.2.5:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
@@ -5662,13 +5673,6 @@ json5@^1.0.1:
   dependencies:
     minimist "^1.2.0"
 
-jsonfile@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-3.0.1.tgz#a5ecc6f65f53f662c4415c7675a0331d0992ec66"
-  integrity sha1-pezG9l9T9mLEQVx2daAzHQmS7GY=
-  optionalDependencies:
-    graceful-fs "^4.1.6"
-
 jsonfile@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
@@ -9326,6 +9330,11 @@ universalify@^1.0.0:
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-1.0.0.tgz#b61a1da173e8435b2fe3c67d29b9adf8594bd16d"
   integrity sha512-rb6X1W158d7pRQBg5gkR8uPaSfiids68LTJQYOtEUhoJUWBdaQHsuT/EUduxXYxcrt4r5PJ4fuHW1MHT6p0qug==
 
+universalify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-2.0.0.tgz#75a4984efedc4b08975c5aeb73f530d02df25717"
+  integrity sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==
+
 unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"