diff --git a/.github/workflows/build-and-push-docker-image.yml b/.github/workflows/build-and-push-docker-image.yml
index cdb1f425..95e1751e 100644
--- a/.github/workflows/build-and-push-docker-image.yml
+++ b/.github/workflows/build-and-push-docker-image.yml
@@ -31,9 +31,6 @@ jobs:
 
       - run: pnpm install
 
-      - name: Compile TypeScript
-        run: pnpm docker-build-ts
-
       # Publish to container registry
       - name: Log in to the Container registry
         uses: docker/login-action@v3
diff --git a/.gitignore b/.gitignore
index 100c8e60..821f08dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,6 @@ node_modules
 dist
 
 __tests__/fixtures/__temp
-docker/clone-and-preflight.js
 
 *.tsbuildinfo
 
diff --git a/Dockerfile b/Dockerfile
index 33acd3cc..5ce691db 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
-FROM node:lts-alpine
+# TODO: Switch back to lts-alpine once v22 becomes LTS
+# FROM node:lts-alpine
+FROM node:22-alpine
 
 WORKDIR /preflight
 
@@ -21,6 +23,6 @@ ENV PNPM_HOME=/usr/local/bin
 
 RUN pnpm add --global @upleveled/preflight@latest
 
-COPY ./docker/clone-and-preflight.js ./
-RUN chmod +x ./clone-and-preflight.js
-ENTRYPOINT ["./clone-and-preflight.js"]
+COPY ./docker/clone-and-preflight.ts ./
+RUN chmod +x ./clone-and-preflight.ts
+ENTRYPOINT ["./clone-and-preflight.ts"]
diff --git a/docker/clone-and-preflight.ts b/docker/clone-and-preflight.ts
index 94743df3..664dc165 100644
--- a/docker/clone-and-preflight.ts
+++ b/docker/clone-and-preflight.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node
+#!/usr/bin/env -S node --experimental-strip-types
 
 import { argv, cwd, exit } from 'node:process';
 import { execa as bindExeca } from 'execa';
diff --git a/docker/tsconfig.build.json b/docker/tsconfig.build.json
deleted file mode 100644
index 416d155d..00000000
--- a/docker/tsconfig.build.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    // Without this, module: Node16 causes emit in CommonJS, which leads to this error:
-    //
-    // ReferenceError: exports is not defined in ES module scope
-    // This file is being treated as an ES module because it has a '.js' file extension and '/preflight/package.json' contains "type": "module". To treat it as a CommonJS script, rename it to use the '.cjs' file extension.
-    "module": "ESNext",
-    "moduleResolution": "Node10",
-    "noEmit": false
-  },
-  "include": ["clone-and-preflight.ts"]
-}
diff --git a/docker/tsconfig.json b/docker/tsconfig.json
deleted file mode 100644
index b5d2d5d8..00000000
--- a/docker/tsconfig.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "extends": "eslint-config-upleveled/tsconfig.base.json",
-  "compilerOptions": {
-    "module": "Node16",
-    "moduleResolution": "Node16",
-    "target": "ES2020"
-  },
-  "include": ["clone-and-preflight.ts"],
-  "exclude": ["node_modules"]
-}
diff --git a/package.json b/package.json
index f03b936c..11a0b6e8 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,7 @@
   ],
   "scripts": {
     "docker-build": "docker build --tag preflight .",
-    "docker-build-run": "pnpm docker-build-ts && pnpm docker-build && pnpm docker-run",
-    "docker-build-ts": "tsc --project docker/tsconfig.build.json",
+    "docker-build-run": "pnpm docker-build && pnpm docker-run",
     "docker-run": "docker run preflight",
     "lint": "eslint . --max-warnings 0",
     "start": "tsx watch ./src/index.ts",
diff --git a/tsconfig.json b/tsconfig.json
index bdfab1b8..576daed6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,8 +1,20 @@
+// For files outside of /src
 {
   "$schema": "https://json.schemastore.org/tsconfig",
-  "files": [],
-  "references": [
-    { "path": "./docker/tsconfig.json" },
-    { "path": "./tsconfig.root.json" }
-  ]
+  "extends": "eslint-config-upleveled/tsconfig.base.json",
+  "compilerOptions": {
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "allowImportingTsExtensions": true,
+    "checkJs": true
+  },
+  "include": [
+    "**/*.ts",
+    "**/*.tsx",
+    "**/*.js",
+    "**/*.jsx",
+    "**/*.cjs",
+    "**/*.mjs"
+  ],
+  "exclude": ["node_modules", "__tests__/fixtures"]
 }
diff --git a/tsconfig.root.json b/tsconfig.root.json
deleted file mode 100644
index aa6f4c3f..00000000
--- a/tsconfig.root.json
+++ /dev/null
@@ -1,21 +0,0 @@
-// For files outside of /src
-{
-  "$schema": "https://json.schemastore.org/tsconfig",
-  "extends": "eslint-config-upleveled/tsconfig.base.json",
-  "compilerOptions": {
-    "composite": true,
-    "module": "NodeNext",
-    "moduleResolution": "NodeNext",
-    "allowImportingTsExtensions": true,
-    "checkJs": true
-  },
-  "include": [
-    "**/*.ts",
-    "**/*.tsx",
-    "**/*.js",
-    "**/*.jsx",
-    "**/*.cjs",
-    "**/*.mjs"
-  ],
-  "exclude": ["node_modules", "__tests__/fixtures", "docker"]
-}