diff --git a/src/dev/build/tasks/os_packages/docker_generator/bundle_dockerfiles.js b/src/dev/build/tasks/os_packages/docker_generator/bundle_dockerfiles.ts
similarity index 80%
rename from src/dev/build/tasks/os_packages/docker_generator/bundle_dockerfiles.js
rename to src/dev/build/tasks/os_packages/docker_generator/bundle_dockerfiles.ts
index 3f34a84057668..7a8f7316913be 100644
--- a/src/dev/build/tasks/os_packages/docker_generator/bundle_dockerfiles.js
+++ b/src/dev/build/tasks/os_packages/docker_generator/bundle_dockerfiles.ts
@@ -18,10 +18,14 @@
  */
 
 import { resolve } from 'path';
-import { compressTar, copyAll, mkdirp, write } from '../../../lib';
+
+import { ToolingLog } from '@kbn/dev-utils';
+
+import { compressTar, copyAll, mkdirp, write, Config } from '../../../lib';
 import { dockerfileTemplate } from './templates';
+import { TemplateContext } from './template_context';
 
-export async function bundleDockerFiles(config, log, build, scope) {
+export async function bundleDockerFiles(config: Config, log: ToolingLog, scope: TemplateContext) {
   log.info(
     `Generating kibana${scope.imageFlavor}${scope.ubiImageFlavor} docker build context bundle`
   );
@@ -50,17 +54,15 @@ export async function bundleDockerFiles(config, log, build, scope) {
   // Compress dockerfiles dir created inside
   // docker build dir as output it as a target
   // on targets folder
-  await compressTar(
-    {
-      archiverOptions: {
-        gzip: true,
-        gzipOptions: {
-          level: 9,
-        },
+  await compressTar({
+    source: dockerFilesBuildDir,
+    destination: dockerFilesOutputDir,
+    archiverOptions: {
+      gzip: true,
+      gzipOptions: {
+        level: 9,
       },
-      createRootDirectory: false,
     },
-    dockerFilesBuildDir,
-    dockerFilesOutputDir
-  );
+    createRootDirectory: false,
+  });
 }
diff --git a/src/dev/build/tasks/os_packages/docker_generator/index.ts b/src/dev/build/tasks/os_packages/docker_generator/index.ts
index 78d2b197dc7b2..dff56585fc704 100644
--- a/src/dev/build/tasks/os_packages/docker_generator/index.ts
+++ b/src/dev/build/tasks/os_packages/docker_generator/index.ts
@@ -17,5 +17,4 @@
  * under the License.
  */
 
-// @ts-expect-error not ts yet
 export { runDockerGenerator, runDockerGeneratorForUBI } from './run';
diff --git a/src/dev/build/tasks/os_packages/docker_generator/run.js b/src/dev/build/tasks/os_packages/docker_generator/run.ts
similarity index 90%
rename from src/dev/build/tasks/os_packages/docker_generator/run.js
rename to src/dev/build/tasks/os_packages/docker_generator/run.ts
index b6dab43887f14..0a26729f3502d 100644
--- a/src/dev/build/tasks/os_packages/docker_generator/run.js
+++ b/src/dev/build/tasks/os_packages/docker_generator/run.ts
@@ -20,8 +20,12 @@
 import { access, link, unlink, chmod } from 'fs';
 import { resolve } from 'path';
 import { promisify } from 'util';
-import { write, copyAll, mkdirp, exec } from '../../../lib';
+
+import { ToolingLog } from '@kbn/dev-utils';
+
+import { write, copyAll, mkdirp, exec, Config, Build } from '../../../lib';
 import * as dockerTemplates from './templates';
+import { TemplateContext } from './template_context';
 import { bundleDockerFiles } from './bundle_dockerfiles';
 
 const accessAsync = promisify(access);
@@ -29,7 +33,12 @@ const linkAsync = promisify(link);
 const unlinkAsync = promisify(unlink);
 const chmodAsync = promisify(chmod);
 
-export async function runDockerGenerator(config, log, build, ubi = false) {
+export async function runDockerGenerator(
+  config: Config,
+  log: ToolingLog,
+  build: Build,
+  ubi: boolean = false
+) {
   // UBI var config
   const baseOSImage = ubi ? 'registry.access.redhat.com/ubi7/ubi-minimal:7.7' : 'centos:7';
   const ubiVersionTag = 'ubi7';
@@ -52,7 +61,7 @@ export async function runDockerGenerator(config, log, build, ubi = false) {
   const dockerOutputDir = config.resolveFromTarget(
     `kibana${imageFlavor}${ubiImageFlavor}-${versionTag}-docker.tar.gz`
   );
-  const scope = {
+  const scope: TemplateContext = {
     artifactTarball,
     imageFlavor,
     versionTag,
@@ -112,10 +121,10 @@ export async function runDockerGenerator(config, log, build, ubi = false) {
   });
 
   // Pack Dockerfiles and create a target for them
-  await bundleDockerFiles(config, log, build, scope);
+  await bundleDockerFiles(config, log, scope);
 }
 
-export async function runDockerGeneratorForUBI(config, log, build) {
+export async function runDockerGeneratorForUBI(config: Config, log: ToolingLog, build: Build) {
   // Only run ubi docker image build for default distribution
   if (build.isOss()) {
     return;
diff --git a/src/dev/build/tasks/os_packages/docker_generator/template_context.ts b/src/dev/build/tasks/os_packages/docker_generator/template_context.ts
new file mode 100644
index 0000000000000..115d4c6927c30
--- /dev/null
+++ b/src/dev/build/tasks/os_packages/docker_generator/template_context.ts
@@ -0,0 +1,33 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+export interface TemplateContext {
+  artifactTarball: string;
+  imageFlavor: string;
+  versionTag: string;
+  license: string;
+  artifactsDir: string;
+  imageTag: string;
+  dockerBuildDir: string;
+  dockerOutputDir: string;
+  baseOSImage: string;
+  ubiImageFlavor: string;
+  dockerBuildDate: string;
+  usePublicArtifact?: boolean;
+}
diff --git a/src/dev/build/tasks/os_packages/docker_generator/templates/build_docker_sh.template.js b/src/dev/build/tasks/os_packages/docker_generator/templates/build_docker_sh.template.ts
similarity index 94%
rename from src/dev/build/tasks/os_packages/docker_generator/templates/build_docker_sh.template.js
rename to src/dev/build/tasks/os_packages/docker_generator/templates/build_docker_sh.template.ts
index 4e8dfe188b867..ff6fcf7548d9d 100644
--- a/src/dev/build/tasks/os_packages/docker_generator/templates/build_docker_sh.template.js
+++ b/src/dev/build/tasks/os_packages/docker_generator/templates/build_docker_sh.template.ts
@@ -19,6 +19,8 @@
 
 import dedent from 'dedent';
 
+import { TemplateContext } from '../template_context';
+
 function generator({
   imageTag,
   imageFlavor,
@@ -26,7 +28,7 @@ function generator({
   dockerOutputDir,
   baseOSImage,
   ubiImageFlavor,
-}) {
+}: TemplateContext) {
   return dedent(`
   #!/usr/bin/env bash
   #
diff --git a/src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.js b/src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.ts
similarity index 98%
rename from src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.js
rename to src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.ts
index 5832d00162b20..ea2f881768c8f 100755
--- a/src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.js
+++ b/src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.ts
@@ -19,6 +19,8 @@
 
 import dedent from 'dedent';
 
+import { TemplateContext } from '../template_context';
+
 function generator({
   artifactTarball,
   versionTag,
@@ -27,7 +29,7 @@ function generator({
   baseOSImage,
   ubiImageFlavor,
   dockerBuildDate,
-}) {
+}: TemplateContext) {
   const copyArtifactTarballInsideDockerOptFolder = () => {
     if (usePublicArtifact) {
       return `RUN cd /opt && curl --retry 8 -s -L -O https://artifacts.elastic.co/downloads/kibana/${artifactTarball} && cd -`;
diff --git a/src/dev/build/tasks/os_packages/docker_generator/templates/index.js b/src/dev/build/tasks/os_packages/docker_generator/templates/index.ts
similarity index 100%
rename from src/dev/build/tasks/os_packages/docker_generator/templates/index.js
rename to src/dev/build/tasks/os_packages/docker_generator/templates/index.ts
diff --git a/src/dev/build/tasks/os_packages/docker_generator/templates/kibana_yml.template.js b/src/dev/build/tasks/os_packages/docker_generator/templates/kibana_yml.template.ts
similarity index 91%
rename from src/dev/build/tasks/os_packages/docker_generator/templates/kibana_yml.template.js
rename to src/dev/build/tasks/os_packages/docker_generator/templates/kibana_yml.template.ts
index c80f9334cfaeb..240ec6f4e9326 100644
--- a/src/dev/build/tasks/os_packages/docker_generator/templates/kibana_yml.template.js
+++ b/src/dev/build/tasks/os_packages/docker_generator/templates/kibana_yml.template.ts
@@ -19,7 +19,9 @@
 
 import dedent from 'dedent';
 
-function generator({ imageFlavor }) {
+import { TemplateContext } from '../template_context';
+
+function generator({ imageFlavor }: TemplateContext) {
   return dedent(`
   #
   # ** THIS IS AN AUTO-GENERATED FILE **