diff --git a/.prettierrc.json b/.prettierrc.json
index d8339f6..c308ef6 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -6,6 +6,5 @@
   "singleQuote": true,
   "trailingComma": "none",
   "bracketSpacing": false,
-  "arrowParens": "avoid",
-  "parser": "typescript"
+  "arrowParens": "avoid"
 }
diff --git a/__tests__/context.test.ts b/__tests__/context.test.ts
index 0ad7943..f24a554 100644
--- a/__tests__/context.test.ts
+++ b/__tests__/context.test.ts
@@ -3,9 +3,9 @@ import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
 
-import {Context} from '@docker/actions-toolkit/lib/context';
+import {Context} from '@docker/actions-toolkit/lib/context.js';
 
-import * as context from '../src/context';
+import * as context from '../src/context.js';
 
 const tmpDir = fs.mkdtempSync(path.join(process.env.TEMP || os.tmpdir(), 'context-'));
 const tmpName = path.join(tmpDir, '.tmpname-vi');
diff --git a/eslint.config.js b/eslint.config.js
deleted file mode 100644
index f1690e7..0000000
--- a/eslint.config.js
+++ /dev/null
@@ -1,58 +0,0 @@
-/* eslint-disable @typescript-eslint/no-require-imports */
-const {defineConfig, globalIgnores} = require('eslint/config');
-const {fixupConfigRules, fixupPluginRules} = require('@eslint/compat');
-const typescriptEslint = require('@typescript-eslint/eslint-plugin');
-const vitestPlugin = require('@vitest/eslint-plugin');
-const prettier = require('eslint-plugin-prettier');
-const globals = require('globals');
-const tsParser = require('@typescript-eslint/parser');
-const js = require('@eslint/js');
-const {FlatCompat} = require('@eslint/eslintrc');
-
-// __dirname and __filename exist natively in CommonJS
-const compat = new FlatCompat({
-  baseDirectory: __dirname,
-  recommendedConfig: js.configs.recommended,
-  allConfig: js.configs.all
-});
-
-module.exports = defineConfig([
-  globalIgnores(['dist/**/*', 'coverage/**/*', 'node_modules/**/*']),
-  {
-    // prettier-ignore
-    extends: fixupConfigRules(
-      compat.extends(
-        'eslint:recommended',
-        'plugin:@typescript-eslint/eslint-recommended',
-        'plugin:@typescript-eslint/recommended',
-        'plugin:@vitest/legacy-recommended',
-        'plugin:prettier/recommended'
-      )
-    ),
-
-    plugins: {
-      '@typescript-eslint': fixupPluginRules(typescriptEslint),
-      '@vitest': fixupPluginRules(vitestPlugin),
-      prettier: fixupPluginRules(prettier)
-    },
-
-    languageOptions: {
-      globals: {
-        ...globals.node,
-        ...vitestPlugin.environments.env.globals
-      },
-      parser: tsParser,
-      ecmaVersion: 'latest',
-      sourceType: 'module'
-    },
-
-    rules: {
-      '@typescript-eslint/no-require-imports': [
-        'error',
-        {
-          allowAsImport: true
-        }
-      ]
-    }
-  }
-]);
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..530d49b
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,52 @@
+import {defineConfig} from 'eslint/config';
+import js from '@eslint/js';
+import tseslint from '@typescript-eslint/eslint-plugin';
+import vitest from '@vitest/eslint-plugin';
+import globals from 'globals';
+import eslintConfigPrettier from 'eslint-config-prettier/flat';
+import eslintPluginPrettier from 'eslint-plugin-prettier';
+
+export default defineConfig([
+  {
+    ignores: ['.yarn/**/*', 'coverage/**/*', 'dist/**/*']
+  },
+  js.configs.recommended,
+  ...tseslint.configs['flat/recommended'],
+  eslintConfigPrettier,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node
+      }
+    }
+  },
+  {
+    files: ['__tests__/**'],
+    ...vitest.configs.recommended,
+    languageOptions: {
+      globals: {
+        ...globals.node,
+        ...vitest.environments.env.globals
+      }
+    },
+    rules: {
+      ...vitest.configs.recommended.rules,
+      'vitest/no-conditional-expect': 'error',
+      'vitest/no-disabled-tests': 0
+    }
+  },
+  {
+    plugins: {
+      prettier: eslintPluginPrettier
+    },
+    rules: {
+      'prettier/prettier': 'error',
+      '@typescript-eslint/no-require-imports': [
+        'error',
+        {
+          allowAsImport: true
+        }
+      ]
+    }
+  }
+]);
diff --git a/package.json b/package.json
index bee177f..a541782 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,12 @@
 {
   "name": "docker-setup-compose",
   "description": "Set up Docker Compose",
+  "type": "module",
   "main": "src/main.ts",
   "scripts": {
     "build": "ncc build --source-map --minify --license licenses.txt",
-    "lint": "yarn run prettier && yarn run eslint",
-    "format": "yarn run prettier:fix && yarn run eslint:fix",
-    "eslint": "eslint --max-warnings=0 .",
-    "eslint:fix": "eslint --fix .",
-    "prettier": "prettier --check \"./**/*.ts\"",
-    "prettier:fix": "prettier --write \"./**/*.ts\"",
+    "lint": "eslint --max-warnings=0 .",
+    "format": "eslint --fix .",
     "test": "vitest run"
   },
   "repository": {
@@ -29,8 +26,6 @@
     "@docker/actions-toolkit": "^0.62.1"
   },
   "devDependencies": {
-    "@eslint/compat": "^2.0.0",
-    "@eslint/eslintrc": "^3.3.3",
     "@eslint/js": "^9.39.2",
     "@types/node": "^20.19.27",
     "@typescript-eslint/eslint-plugin": "^8.50.0",
@@ -41,8 +36,8 @@
     "eslint": "^9.39.2",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.4",
+    "globals": "^17.3.0",
     "prettier": "^3.7.4",
-    "ts-node": "^10.9.2",
     "typescript": "^5.9.3",
     "vitest": "^4.0.18"
   }
diff --git a/src/main.ts b/src/main.ts
index e82fd47..9052134 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,10 +1,10 @@
 import * as core from '@actions/core';
 import * as actionsToolkit from '@docker/actions-toolkit';
 
-import {Docker} from '@docker/actions-toolkit/lib/docker/docker';
-import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
+import {Docker} from '@docker/actions-toolkit/lib/docker/docker.js';
+import {Toolkit} from '@docker/actions-toolkit/lib/toolkit.js';
 
-import * as context from './context';
+import * as context from './context.js';
 
 actionsToolkit.run(
   // main
diff --git a/tsconfig.json b/tsconfig.json
index 798c5e6..1fc12fb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
+    "module": "nodenext",
+    "moduleResolution": "nodenext",
     "esModuleInterop": true,
-    "target": "es6",
-    "module": "commonjs",
     "strict": true,
     "newLine": "lf",
     "outDir": "./lib",
@@ -12,10 +12,7 @@
     "resolveJsonModule": true,
     "useUnknownInCatchVariables": false,
   },
-  "exclude": [
-    "./__tests__/**/*",
-    "./lib/**/*",
-    "node_modules",
-    "vitest.config.ts"
+  "include": [
+    "src/**/*.ts"
   ]
 }
diff --git a/yarn.lock b/yarn.lock
index 6397d36..aa3f25e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -338,15 +338,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cspotcode/source-map-support@npm:^0.8.0":
-  version: 0.8.1
-  resolution: "@cspotcode/source-map-support@npm:0.8.1"
-  dependencies:
-    "@jridgewell/trace-mapping": "npm:0.3.9"
-  checksum: 10/b6e38a1712fab242c86a241c229cf562195aad985d0564bd352ac404be583029e89e93028ffd2c251d2c407ecac5fb0cbdca94a2d5c10f29ac806ede0508b3ff
-  languageName: node
-  linkType: hard
-
 "@docker/actions-toolkit@npm:^0.62.1":
   version: 0.62.1
   resolution: "@docker/actions-toolkit@npm:0.62.1"
@@ -576,20 +567,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@eslint/compat@npm:^2.0.0":
-  version: 2.0.1
-  resolution: "@eslint/compat@npm:2.0.1"
-  dependencies:
-    "@eslint/core": "npm:^1.0.1"
-  peerDependencies:
-    eslint: ^8.40 || 9
-  peerDependenciesMeta:
-    eslint:
-      optional: true
-  checksum: 10/3ae4af6faba4a1191fc42f51675e1e8a78f9133e980133e2a6b86acd7d9d79bb8692afbeef283c4359a611874cd6bd4583464ae656f9a64d7dcecbbdb7afaa08
-  languageName: node
-  linkType: hard
-
 "@eslint/config-array@npm:^0.21.1":
   version: 0.21.1
   resolution: "@eslint/config-array@npm:0.21.1"
@@ -619,16 +596,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@eslint/core@npm:^1.0.1":
-  version: 1.0.1
-  resolution: "@eslint/core@npm:1.0.1"
-  dependencies:
-    "@types/json-schema": "npm:^7.0.15"
-  checksum: 10/442b54d50adee1681672596abc538cba1a57d108d28e39aeed64e4beaee23aa6f9f029c7bc0b39e26d8c4754de16305fbfce7f6539e7df266163c0c49fbaa4af
-  languageName: node
-  linkType: hard
-
-"@eslint/eslintrc@npm:^3.3.1, @eslint/eslintrc@npm:^3.3.3":
+"@eslint/eslintrc@npm:^3.3.1":
   version: 3.3.3
   resolution: "@eslint/eslintrc@npm:3.3.3"
   dependencies:
@@ -721,13 +689,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jridgewell/resolve-uri@npm:^3.0.3":
-  version: 3.0.5
-  resolution: "@jridgewell/resolve-uri@npm:3.0.5"
-  checksum: 10/66da0c14dfaebd3481ac363306eefa45aca6779f8635df7337b97c18873853a7e2946d79104fad3e2ab832fe438ebabcaa2091e55e069a81b35001fa6738f532
-  languageName: node
-  linkType: hard
-
 "@jridgewell/resolve-uri@npm:^3.1.0":
   version: 3.1.1
   resolution: "@jridgewell/resolve-uri@npm:3.1.1"
@@ -735,13 +696,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jridgewell/sourcemap-codec@npm:^1.4.10":
-  version: 1.4.11
-  resolution: "@jridgewell/sourcemap-codec@npm:1.4.11"
-  checksum: 10/591ca7f7884a51643e713b1b623c6c7d751bdc78d61b6cda1dcf7de1287e7f0530514c3f2c7d443273ddc8687637a95cd19f5d8986b32e2349d0f7310623df40
-  languageName: node
-  linkType: hard
-
 "@jridgewell/sourcemap-codec@npm:^1.4.14":
   version: 1.4.15
   resolution: "@jridgewell/sourcemap-codec@npm:1.4.15"
@@ -756,16 +710,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jridgewell/trace-mapping@npm:0.3.9":
-  version: 0.3.9
-  resolution: "@jridgewell/trace-mapping@npm:0.3.9"
-  dependencies:
-    "@jridgewell/resolve-uri": "npm:^3.0.3"
-    "@jridgewell/sourcemap-codec": "npm:^1.4.10"
-  checksum: 10/83deafb8e7a5ca98993c2c6eeaa93c270f6f647a4c0dc00deb38c9cf9b2d3b7bf15e8839540155247ef034a052c0ec4466f980bf0c9e2ab63b97d16c0cedd3ff
-  languageName: node
-  linkType: hard
-
 "@jridgewell/trace-mapping@npm:^0.3.31":
   version: 0.3.31
   resolution: "@jridgewell/trace-mapping@npm:0.3.31"
@@ -1352,34 +1296,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@tsconfig/node10@npm:^1.0.7":
-  version: 1.0.8
-  resolution: "@tsconfig/node10@npm:1.0.8"
-  checksum: 10/b8d5fffbc6b17ef64ef74f7fdbccee02a809a063ade785c3648dae59406bc207f70ea2c4296f92749b33019fa36a5ae716e42e49cc7f1bbf0fd147be0d6b970a
-  languageName: node
-  linkType: hard
-
-"@tsconfig/node12@npm:^1.0.7":
-  version: 1.0.9
-  resolution: "@tsconfig/node12@npm:1.0.9"
-  checksum: 10/a01b2400ab3582b86b589c6d31dcd0c0656f333adecde85d6d7d4086adb059808b82692380bb169546d189bf771ae21d02544a75b57bd6da4a5dd95f8567bec9
-  languageName: node
-  linkType: hard
-
-"@tsconfig/node14@npm:^1.0.0":
-  version: 1.0.1
-  resolution: "@tsconfig/node14@npm:1.0.1"
-  checksum: 10/976345e896c0f059867f94f8d0f6ddb8b1844fb62bf36b727de8a9a68f024857e5db97ed51d3325e23e0616a5e48c034ff51a8d595b3fe7e955f3587540489be
-  languageName: node
-  linkType: hard
-
-"@tsconfig/node16@npm:^1.0.2":
-  version: 1.0.2
-  resolution: "@tsconfig/node16@npm:1.0.2"
-  checksum: 10/ca94d3639714672bbfd55f03521d3f56bb6a25479bd425da81faf21f13e1e9d15f40f97377dedbbf477a5841c5b0c8f4cd1b391f33553d750b9202c54c2c07aa
-  languageName: node
-  linkType: hard
-
 "@types/chai@npm:^5.2.2":
   version: 5.2.3
   resolution: "@types/chai@npm:5.2.3"
@@ -1823,13 +1739,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"acorn-walk@npm:^8.1.1":
-  version: 8.2.0
-  resolution: "acorn-walk@npm:8.2.0"
-  checksum: 10/e69f7234f2adfeb16db3671429a7c80894105bd7534cb2032acf01bb26e6a847952d11a062d071420b43f8d82e33d2e57f26fe87d9cce0853e8143d8910ff1de
-  languageName: node
-  linkType: hard
-
 "acorn@npm:^8.15.0":
   version: 8.15.0
   resolution: "acorn@npm:8.15.0"
@@ -1839,15 +1748,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"acorn@npm:^8.4.1":
-  version: 8.7.0
-  resolution: "acorn@npm:8.7.0"
-  bin:
-    acorn: bin/acorn
-  checksum: 10/0c437f0beffd4309a8ee327cecdc555e50a3d8e30534d079b1eba81ea6bd64c15119e7974a8f077eac4bd1c0dd122196ef08d3ee60b2efd7fee00e18e9a46b7d
-  languageName: node
-  linkType: hard
-
 "agent-base@npm:^7.0.2, agent-base@npm:^7.1.0, agent-base@npm:^7.1.1":
   version: 7.1.1
   resolution: "agent-base@npm:7.1.1"
@@ -1939,13 +1839,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"arg@npm:^4.1.0":
-  version: 4.1.3
-  resolution: "arg@npm:4.1.3"
-  checksum: 10/969b491082f20cad166649fa4d2073ea9e974a4e5ac36247ca23d2e5a8b3cb12d60e9ff70a8acfe26d76566c71fd351ee5e6a9a6595157eb36f92b1fd64e1599
-  languageName: node
-  linkType: hard
-
 "argparse@npm:^2.0.1":
   version: 2.0.1
   resolution: "argparse@npm:2.0.1"
@@ -2259,13 +2152,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"create-require@npm:^1.1.0":
-  version: 1.1.1
-  resolution: "create-require@npm:1.1.1"
-  checksum: 10/a9a1503d4390d8b59ad86f4607de7870b39cad43d929813599a23714831e81c520bddf61bcdd1f8e30f05fd3a2b71ae8538e946eb2786dc65c2bbc520f692eff
-  languageName: node
-  linkType: hard
-
 "cross-spawn@npm:^7.0.0, cross-spawn@npm:^7.0.6":
   version: 7.0.6
   resolution: "cross-spawn@npm:7.0.6"
@@ -2329,21 +2215,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"diff@npm:^4.0.1":
-  version: 4.0.2
-  resolution: "diff@npm:4.0.2"
-  checksum: 10/ec09ec2101934ca5966355a229d77afcad5911c92e2a77413efda5455636c4cf2ce84057e2d7715227a2eeeda04255b849bd3ae3a4dd22eb22e86e76456df069
-  languageName: node
-  linkType: hard
-
 "docker-setup-compose@workspace:.":
   version: 0.0.0-use.local
   resolution: "docker-setup-compose@workspace:."
   dependencies:
     "@actions/core": "npm:^1.11.1"
     "@docker/actions-toolkit": "npm:^0.62.1"
-    "@eslint/compat": "npm:^2.0.0"
-    "@eslint/eslintrc": "npm:^3.3.3"
     "@eslint/js": "npm:^9.39.2"
     "@types/node": "npm:^20.19.27"
     "@typescript-eslint/eslint-plugin": "npm:^8.50.0"
@@ -2354,8 +2231,8 @@ __metadata:
     eslint: "npm:^9.39.2"
     eslint-config-prettier: "npm:^10.1.8"
     eslint-plugin-prettier: "npm:^5.5.4"
+    globals: "npm:^17.3.0"
     prettier: "npm:^3.7.4"
-    ts-node: "npm:^10.9.2"
     typescript: "npm:^5.9.3"
     vitest: "npm:^4.0.18"
   languageName: unknown
@@ -2936,6 +2813,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"globals@npm:^17.3.0":
+  version: 17.3.0
+  resolution: "globals@npm:17.3.0"
+  checksum: 10/44ba2b7db93eb6a2531dfba09219845e21f2e724a4f400eb59518b180b7d5bcf7f65580530e3d3023d7dc2bdbacf5d265fd87c393f567deb9a2b0472b51c9d5e
+  languageName: node
+  linkType: hard
+
 "graceful-fs@npm:^4.2.0, graceful-fs@npm:^4.2.6":
   version: 4.2.11
   resolution: "graceful-fs@npm:4.2.11"
@@ -3408,13 +3292,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"make-error@npm:^1.1.1":
-  version: 1.3.6
-  resolution: "make-error@npm:1.3.6"
-  checksum: 10/b86e5e0e25f7f777b77fabd8e2cbf15737972869d852a22b7e73c17623928fccb826d8e46b9951501d3f20e51ad74ba8c59ed584f610526a48f8ccf88aaec402
-  languageName: node
-  linkType: hard
-
 "make-fetch-happen@npm:^13.0.0":
   version: 13.0.1
   resolution: "make-fetch-happen@npm:13.0.1"
@@ -4510,44 +4387,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ts-node@npm:^10.9.2":
-  version: 10.9.2
-  resolution: "ts-node@npm:10.9.2"
-  dependencies:
-    "@cspotcode/source-map-support": "npm:^0.8.0"
-    "@tsconfig/node10": "npm:^1.0.7"
-    "@tsconfig/node12": "npm:^1.0.7"
-    "@tsconfig/node14": "npm:^1.0.0"
-    "@tsconfig/node16": "npm:^1.0.2"
-    acorn: "npm:^8.4.1"
-    acorn-walk: "npm:^8.1.1"
-    arg: "npm:^4.1.0"
-    create-require: "npm:^1.1.0"
-    diff: "npm:^4.0.1"
-    make-error: "npm:^1.1.1"
-    v8-compile-cache-lib: "npm:^3.0.1"
-    yn: "npm:3.1.1"
-  peerDependencies:
-    "@swc/core": ">=1.2.50"
-    "@swc/wasm": ">=1.2.50"
-    "@types/node": "*"
-    typescript: ">=2.7"
-  peerDependenciesMeta:
-    "@swc/core":
-      optional: true
-    "@swc/wasm":
-      optional: true
-  bin:
-    ts-node: dist/bin.js
-    ts-node-cwd: dist/bin-cwd.js
-    ts-node-esm: dist/bin-esm.js
-    ts-node-script: dist/bin-script.js
-    ts-node-transpile-only: dist/bin-transpile.js
-    ts-script: dist/bin-script-deprecated.js
-  checksum: 10/a91a15b3c9f76ac462f006fa88b6bfa528130dcfb849dd7ef7f9d640832ab681e235b8a2bc58ecde42f72851cc1d5d4e22c901b0c11aa51001ea1d395074b794
-  languageName: node
-  linkType: hard
-
 "tslib@npm:^1.10.0":
   version: 1.14.1
   resolution: "tslib@npm:1.14.1"
@@ -4703,13 +4542,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"v8-compile-cache-lib@npm:^3.0.1":
-  version: 3.0.1
-  resolution: "v8-compile-cache-lib@npm:3.0.1"
-  checksum: 10/88d3423a52b6aaf1836be779cab12f7016d47ad8430dffba6edf766695e6d90ad4adaa3d8eeb512cc05924f3e246c4a4ca51e089dccf4402caa536b5e5be8961
-  languageName: node
-  linkType: hard
-
 "vite@npm:^6.0.0 || ^7.0.0":
   version: 7.3.1
   resolution: "vite@npm:7.3.1"
@@ -4942,13 +4774,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yn@npm:3.1.1":
-  version: 3.1.1
-  resolution: "yn@npm:3.1.1"
-  checksum: 10/2c487b0e149e746ef48cda9f8bad10fc83693cd69d7f9dcd8be4214e985de33a29c9e24f3c0d6bcf2288427040a8947406ab27f7af67ee9456e6b84854f02dd6
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   resolution: "yocto-queue@npm:0.1.0"