diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 000000000..47627d0a7
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - dev
+      - "v*.*"
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "20"
+          check-latest: true
+          cache: npm
+          cache-dependency-path: package-lock.json
+
+      - run: npm ci
+
+      - run: npm run format-check
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..5ac2a3cc3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+*.local
+*.log
+*.swp
+.DS_Store
+.cache
+.env*
+.vscode
+node_modules
diff --git a/.prettierrc b/.prettierrc
index 6d96e0835..946a3dd0e 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,10 +1,16 @@
 {
+	"plugins": [
+		"@prettier/plugin-php"
+	],
+	"arrowParens": "avoid",
+	"braceStyle": "per-cs",
 	"endOfLine": "auto",
-	"tabWidth": 4,
+	"phpVersion": "5.3",
 	"printWidth": 180,
-	"useTabs": true,
 	"semi": true,
 	"singleQuote": true,
+	"tabWidth": 4,
 	"trailingComma": "all",
-	"arrowParens": "avoid"
+	"trailingCommaPHP": false,
+	"useTabs": true
 }
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 000000000..3d9d5096e
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,105 @@
+{
+	"name": "litespeed-cache",
+	"lockfileVersion": 3,
+	"requires": true,
+	"packages": {
+		"": {
+			"name": "litespeed-cache",
+			"license": "GPLv3",
+			"devDependencies": {
+				"@prettier/plugin-php": "^0.21.0",
+				"prettier": "^3.0.3"
+			}
+		},
+		"node_modules/@prettier/plugin-php": {
+			"version": "0.21.0",
+			"resolved": "https://registry.npmjs.org/@prettier/plugin-php/-/plugin-php-0.21.0.tgz",
+			"integrity": "sha512-vWC6HIUUfhvl/7F5IxVQ0ItGB/7ZY+jDlX7KsTqvfKMODW/zvzj8r1Ab4harS22+O3xxHykVVd5jvylmxMMctg==",
+			"dev": true,
+			"dependencies": {
+				"linguist-languages": "^7.21.0",
+				"mem": "^9.0.2",
+				"php-parser": "^3.1.5"
+			},
+			"peerDependencies": {
+				"prettier": "^3.0.0"
+			}
+		},
+		"node_modules/linguist-languages": {
+			"version": "7.27.0",
+			"resolved": "https://registry.npmjs.org/linguist-languages/-/linguist-languages-7.27.0.tgz",
+			"integrity": "sha512-Wzx/22c5Jsv2ag+uKy+ITanGA5hzvBZngrNGDXLTC7ZjGM6FLCYGgomauTkxNJeP9of353OM0pWqngYA180xgw==",
+			"dev": true
+		},
+		"node_modules/map-age-cleaner": {
+			"version": "0.1.3",
+			"resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
+			"integrity": "sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==",
+			"dev": true,
+			"dependencies": {
+				"p-defer": "^1.0.0"
+			},
+			"engines": {
+				"node": ">=6"
+			}
+		},
+		"node_modules/mem": {
+			"version": "9.0.2",
+			"resolved": "https://registry.npmjs.org/mem/-/mem-9.0.2.tgz",
+			"integrity": "sha512-F2t4YIv9XQUBHt6AOJ0y7lSmP1+cY7Fm1DRh9GClTGzKST7UWLMx6ly9WZdLH/G/ppM5RL4MlQfRT71ri9t19A==",
+			"dev": true,
+			"dependencies": {
+				"map-age-cleaner": "^0.1.3",
+				"mimic-fn": "^4.0.0"
+			},
+			"engines": {
+				"node": ">=12.20"
+			},
+			"funding": {
+				"url": "https://github.com/sindresorhus/mem?sponsor=1"
+			}
+		},
+		"node_modules/mimic-fn": {
+			"version": "4.0.0",
+			"resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-4.0.0.tgz",
+			"integrity": "sha512-vqiC06CuhBTUdZH+RYl8sFrL096vA45Ok5ISO6sE/Mr1jRbGH4Csnhi8f3wKVl7x8mO4Au7Ir9D3Oyv1VYMFJw==",
+			"dev": true,
+			"engines": {
+				"node": ">=12"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/sindresorhus"
+			}
+		},
+		"node_modules/p-defer": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
+			"integrity": "sha512-wB3wfAxZpk2AzOfUMJNL+d36xothRSyj8EXOa4f6GMqYDN9BJaaSISbsk+wS9abmnebVw95C2Kb5t85UmpCxuw==",
+			"dev": true,
+			"engines": {
+				"node": ">=4"
+			}
+		},
+		"node_modules/php-parser": {
+			"version": "3.1.5",
+			"resolved": "https://registry.npmjs.org/php-parser/-/php-parser-3.1.5.tgz",
+			"integrity": "sha512-jEY2DcbgCm5aclzBdfW86GM6VEIWcSlhTBSHN1qhJguVePlYe28GhwS0yoeLYXpM2K8y6wzLwrbq814n2PHSoQ==",
+			"dev": true
+		},
+		"node_modules/prettier": {
+			"version": "3.0.3",
+			"resolved": "https://registry.npmjs.org/prettier/-/prettier-3.0.3.tgz",
+			"integrity": "sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==",
+			"dev": true,
+			"bin": {
+				"prettier": "bin/prettier.cjs"
+			},
+			"engines": {
+				"node": ">=14"
+			},
+			"funding": {
+				"url": "https://github.com/prettier/prettier?sponsor=1"
+			}
+		}
+	}
+}
diff --git a/package.json b/package.json
new file mode 100644
index 000000000..036883a2e
--- /dev/null
+++ b/package.json
@@ -0,0 +1,14 @@
+{
+	"name": "litespeed-cache",
+	"description": "High-performance page caching and site optimization from LiteSpeed",
+	"license": "GPLv3",
+	"scripts": {
+		"format": "npm run prettier -- --write",
+		"format-check": "npm run prettier -- --check",
+		"prettier": "prettier *.php cli/*.php cli/**/*.php inc/*.php inc/**/*.php src/*.php src/**/*.php thirdparty/*.php thirdparty/**/*.php tpl/*.php tpl/**/*.php"
+	},
+	"devDependencies": {
+		"@prettier/plugin-php": "^0.21.0",
+		"prettier": "^3.0.3"
+	}
+}