diff --git a/.github/workflows/prettier-check.yml b/.github/workflows/prettier-check.yml
new file mode 100644
index 0000000..c257d67
--- /dev/null
+++ b/.github/workflows/prettier-check.yml
@@ -0,0 +1,26 @@
+name: Prettier Check
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  prettier:
+    name: "Checking code style"
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Node.js, NPM and Yarn
+        uses: actions/setup-node@v1
+        with:
+          node-version: 20.x
+
+      - name: Enable Corepack
+        run: corepack enable
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Run Prettier check
+        run: yarn run prettier:check
diff --git a/.gitignore b/.gitignore
index 0cfe994..3617eca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 .env
 .idea
 .DS_Store
+node_modules
+.yarn
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..e37eb01
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,3 @@
+.idea
+.yarn
+deno.lock
diff --git a/.yarnrc.yml b/.yarnrc.yml
new file mode 100644
index 0000000..3186f3f
--- /dev/null
+++ b/.yarnrc.yml
@@ -0,0 +1 @@
+nodeLinker: node-modules
diff --git a/README.md b/README.md
index f8c6838..86672c6 100644
--- a/README.md
+++ b/README.md
@@ -2,20 +2,23 @@
 
 Run all OpenHotel stack locally with Docker.
 
-| Service | Repo                | URL                   |
-| ------- | ------------------- | --------------------- |
-| client  | `openhotel/openhotel` | http://localhost:1994 |
-| auth    | `openhotel/auth`    | http://localhost:2024 |
-| web     | `openhotel/web`     | http://localhost:2025 |
-| onet    | `openhotel/onet`    | http://localhost:9400 |
+| Service      | Repo                     | URL                   |
+| ------------ | ------------------------ | --------------------- |
+| client       | `openhotel/openhotel`    | http://localhost:1994 |
+| auth         | `openhotel/auth`         | http://localhost:2024 |
+| web          | `openhotel/web`          | http://localhost:2025 |
+| onet         | `openhotel/onet`         | http://localhost:9400 |
 | asset-editor | `openhotel/asset-editor` | http://localhost:2030 |
-| static  | `openhotel/static`  | http://localhost:1995 |
-| s3      | SeaweedFS           | http://localhost:9000 |
+| static       | `openhotel/static`       | http://localhost:1995 |
+| s3           | SeaweedFS                | http://localhost:9000 |
 
 ## Requirements
 
 - Docker
-- The service repos cloned next to this one (or set `REPOS_DIR` in `.env`)
+- Deno
+- Git
+
+The service repos are cloned next to this one (or in `REPOS_DIR` from `.env`):
 
 ```
 openhotel/
@@ -31,7 +34,7 @@ openhotel/
 ## Usage
 
 ```bash
-cp .env.example .env
+deno task setup                # clone missing repos and create dev configs
 deno task up                   # everything (in background)
 deno task up auth client       # some services
 deno task logs                 # logs of all services
diff --git a/compose.yml b/compose.yml
index 468dcc6..c736e4a 100644
--- a/compose.yml
+++ b/compose.yml
@@ -80,7 +80,6 @@ services:
       - /src/onet/node_modules
       - deno-cache:/root/.cache/deno
 
-
   web:
     <<: *dev
     container_name: web
diff --git a/configs/asset-editor.yml b/configs/asset-editor.yml
new file mode 100644
index 0000000..3536354
--- /dev/null
+++ b/configs/asset-editor.yml
@@ -0,0 +1,3 @@
+version: development
+auth:
+  url: http://localhost:2024
diff --git a/configs/auth.yml b/configs/auth.yml
new file mode 100644
index 0000000..cc1b9c3
--- /dev/null
+++ b/configs/auth.yml
@@ -0,0 +1 @@
+version: development
diff --git a/configs/client.yml b/configs/client.yml
new file mode 100644
index 0000000..4196a7d
--- /dev/null
+++ b/configs/client.yml
@@ -0,0 +1,7 @@
+version: development
+auth:
+  api: http://localhost:2024
+onet:
+  api: http://localhost:9400
+phantom:
+  enabled: false
diff --git a/configs/onet.yml b/configs/onet.yml
new file mode 100644
index 0000000..93ea77a
--- /dev/null
+++ b/configs/onet.yml
@@ -0,0 +1,2 @@
+auth:
+  api: http://localhost:2024/api/v3
diff --git a/configs/static.yml b/configs/static.yml
new file mode 100644
index 0000000..cc1b9c3
--- /dev/null
+++ b/configs/static.yml
@@ -0,0 +1 @@
+version: development
diff --git a/configs/web.yml b/configs/web.yml
new file mode 100644
index 0000000..cc1b9c3
--- /dev/null
+++ b/configs/web.yml
@@ -0,0 +1 @@
+version: development
diff --git a/deno.json b/deno.json
index fdfae9e..2861012 100644
--- a/deno.json
+++ b/deno.json
@@ -1,7 +1,14 @@
 {
   "tasks": {
+    "setup": "deno run --allow-read --allow-write --allow-run=git,docker setup.ts",
     "up": "docker compose up -d --build",
     "logs": "docker compose logs -f --tail=100",
     "down": "docker compose down"
+  },
+  "imports": {
+    "@std/dotenv": "jsr:@std/dotenv@0.225.8",
+    "@std/fs": "jsr:@std/fs@1.0.24",
+    "@std/path": "jsr:@std/path@1.1.6",
+    "@std/yaml": "jsr:@std/yaml@1.3.0"
   }
 }
diff --git a/deno.lock b/deno.lock
new file mode 100644
index 0000000..ca22dd6
--- /dev/null
+++ b/deno.lock
@@ -0,0 +1,48 @@
+{
+  "version": "5",
+  "specifiers": {
+    "jsr:@std/dotenv@0.225.8": "0.225.8",
+    "jsr:@std/fs@1.0.24": "1.0.24",
+    "jsr:@std/internal@^1.0.14": "1.0.14",
+    "jsr:@std/path@1.1.6": "1.1.6",
+    "jsr:@std/path@^1.1.5": "1.1.6",
+    "jsr:@std/yaml@1.3.0": "1.3.0"
+  },
+  "jsr": {
+    "@std/dotenv@0.225.8": {
+      "integrity": "27b8c1a9d00cbf938345a5924487c04d9b27bdd7e7bd1983f54bcf76d0a0174a"
+    },
+    "@std/fs@1.0.24": {
+      "integrity": "f3061b45b81673a2bece689da041df32d174be064c89eb6397fb5718d3fb7877",
+      "dependencies": [
+        "jsr:@std/internal",
+        "jsr:@std/path@^1.1.5"
+      ]
+    },
+    "@std/internal@1.0.14": {
+      "integrity": "291516b3d4c35024d6ffbc0a9df5bf4c64116e05b50012cf846710152d2ffdf7"
+    },
+    "@std/path@1.1.6": {
+      "integrity": "c68485c2a4dfbb5ae3cc74fae4e8c4e5d874cf8a8ed12927917235c758b46cbe",
+      "dependencies": [
+        "jsr:@std/internal"
+      ]
+    },
+    "@std/yaml@1.3.0": {
+      "integrity": "b250103854378b8b36cbff0fe95aec017d3d9ce86b489c67605180c602fb4922"
+    }
+  },
+  "workspace": {
+    "dependencies": [
+      "jsr:@std/dotenv@0.225.8",
+      "jsr:@std/fs@1.0.24",
+      "jsr:@std/path@1.1.6",
+      "jsr:@std/yaml@1.3.0"
+    ],
+    "packageJson": {
+      "dependencies": [
+        "npm:prettier@3.9.5"
+      ]
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..7eca655
--- /dev/null
+++ b/package.json
@@ -0,0 +1,10 @@
+{
+  "scripts": {
+    "prettier:check": "prettier -c ./",
+    "prettier:write": "prettier --write ."
+  },
+  "devDependencies": {
+    "prettier": "3.9.5"
+  },
+  "packageManager": "yarn@4.6.0"
+}
diff --git a/setup.ts b/setup.ts
new file mode 100644
index 0000000..7b98c16
--- /dev/null
+++ b/setup.ts
@@ -0,0 +1,181 @@
+import { parse as parseEnv } from "@std/dotenv";
+import { parse as parseYaml } from "@std/yaml";
+import { exists } from "@std/fs";
+import { dirname, join, resolve } from "@std/path";
+
+type Service = {
+  name: string;
+  repo: string;
+  config: string;
+};
+
+const SERVICES: Service[] = [
+  {
+    name: "client",
+    repo: "openhotel",
+    config: "app/server/config.yml",
+  },
+  {
+    name: "auth",
+    repo: "auth",
+    config: "app/server/config.yml",
+  },
+  {
+    name: "onet",
+    repo: "onet",
+    config: "config.yml",
+  },
+  {
+    name: "web",
+    repo: "web",
+    config: "app/server/config.yml",
+  },
+  {
+    name: "asset-editor",
+    repo: "asset-editor",
+    config: "app/server/config.yml",
+  },
+  {
+    name: "static",
+    repo: "static",
+    config: "app/server/config.yml",
+  },
+];
+
+const ROOT = import.meta.dirname!;
+
+const ok = (message: string) => console.log(`%c✔ ${message}`, "color: green");
+const warn = (message: string) =>
+  console.log(`%c⚠ ${message}`, "color: yellow");
+const fail = (message: string) => {
+  console.log(`%c✘ ${message}`, "color: red");
+  Deno.exit(1);
+};
+
+const run = async (cmd: string, ...args: string[]): Promise<boolean> => {
+  try {
+    const { success } = await new Deno.Command(cmd, {
+      args,
+      stdout: "null",
+      stderr: "inherit",
+    }).output();
+
+    return success;
+  } catch {
+    return false;
+  }
+};
+
+const checkRequirements = async () => {
+  if (!(await run("git", "--version"))) fail("git not found");
+  if (!(await run("docker", "compose", "version"))) {
+    warn("docker compose not found, you will need it to run the stack");
+  }
+};
+
+const loadEnv = async (): Promise<Record<string, string>> => {
+  const envPath = join(ROOT, ".env");
+
+  if (!(await exists(envPath))) {
+    await Deno.copyFile(join(ROOT, ".env.example"), envPath);
+    ok(".env created from .env.example");
+  }
+
+  return parseEnv(await Deno.readTextFile(envPath));
+};
+
+const cloneRepos = async (reposDir: string) => {
+  for (const { repo } of SERVICES) {
+    const repoPath = join(reposDir, repo);
+
+    if (await exists(repoPath)) {
+      ok(`${repo} already exists`);
+      continue;
+    }
+
+    console.log(`Cloning ${repo}...`);
+    const cloned = await run(
+      "git",
+      "clone",
+      `https://github.com/openhotel/${repo}.git`,
+      repoPath,
+    );
+    if (cloned) ok(`${repo} cloned`);
+    else warn(`${repo} could not be cloned!`);
+  }
+};
+
+const readYaml = async (path: string): Promise<Record<string, unknown>> =>
+  parseYaml(await Deno.readTextFile(path)) ?? {};
+
+const flatten = (
+  object: Record<string, unknown>,
+  prefix = "",
+): Record<string, unknown> =>
+  Object.entries(object).reduce((flat, [key, value]) => {
+    const path = prefix ? `${prefix}.${key}` : key;
+
+    return typeof value === "object" && value !== null && !Array.isArray(value)
+      ? { ...flat, ...flatten(value, path) }
+      : { ...flat, [path]: value };
+  }, {});
+
+const checkConfig = async (
+  service: Service,
+  configPath: string,
+  templatePath: string,
+) => {
+  let config: Record<string, unknown>;
+  try {
+    config = flatten(await readYaml(configPath));
+  } catch {
+    warn(`${service.name}: ${configPath} is not valid yaml`);
+    return;
+  }
+
+  const template = flatten(await readYaml(templatePath));
+  for (const [key, value] of Object.entries(template)) {
+    if (config[key] !== value) {
+      warn(
+        `${service.name}: '${key}' should be '${value}' (is '${config[key]}')`,
+      );
+    }
+  }
+};
+
+const copyConfigs = async (reposDir: string) => {
+  for (const service of SERVICES) {
+    const repoPath = join(reposDir, service.repo);
+    if (!(await exists(repoPath))) continue;
+
+    const configPath = join(repoPath, service.config);
+    const templatePath = join(ROOT, "configs", `${service.name}.yml`);
+
+    if (await exists(configPath)) {
+      await checkConfig(service, configPath, templatePath);
+      continue;
+    }
+
+    await Deno.mkdir(dirname(configPath), { recursive: true });
+    await Deno.copyFile(templatePath, configPath);
+
+    ok(`${service.name}: config created`);
+  }
+};
+
+await checkRequirements();
+const env = await loadEnv();
+const reposDir = resolve(ROOT, env.REPOS_DIR ?? "..");
+
+await cloneRepos(reposDir);
+await copyConfigs(reposDir);
+
+console.log(`
+Ready! Next steps:
+  1. deno task up auth
+  2. Sign up at http://localhost:2024 and create a hotel
+  3. Fill the tokens:
+     - openhotel/app/server/config.yml → auth.enabled: true, auth.licenseToken
+     - onet/config.yml → auth.token
+  4. deno task up
+`);
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..c76ce27
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,23 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 8
+  cacheKey: 10c0
+
+"prettier@npm:3.9.5":
+  version: 3.9.5
+  resolution: "prettier@npm:3.9.5"
+  bin:
+    prettier: bin/prettier.cjs
+  checksum: 10c0/0349dd9e6d8010965de6f69e6b6ee2484b8caf78c66675afced6c75ad60ff24c3a2a4f41153fb8adeaee4d8f539641b48cebc71d283cec4d146e9962126c5ceb
+  languageName: node
+  linkType: hard
+
+"root-workspace-0b6124@workspace:.":
+  version: 0.0.0-use.local
+  resolution: "root-workspace-0b6124@workspace:."
+  dependencies:
+    prettier: "npm:3.9.5"
+  languageName: unknown
+  linkType: soft