diff --git a/.env.example b/.env.example
index c0660ea..12a8bc1 100644
--- a/.env.example
+++ b/.env.example
@@ -1,31 +1,27 @@
-APP_NAME=Laravel
+APP_NAME=Persegi
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
 APP_URL=http://localhost
 
-APP_LOCALE=en
-APP_FALLBACK_LOCALE=en
-APP_FAKER_LOCALE=en_US
+APP_LOCALE=id
+APP_FALLBACK_LOCALE=id
+APP_FAKER_LOCALE=id_ID
 
 APP_MAINTENANCE_DRIVER=file
-# APP_MAINTENANCE_STORE=database
-
-# PHP_CLI_SERVER_WORKERS=4
 
 BCRYPT_ROUNDS=12
 
 LOG_CHANNEL=stack
 LOG_STACK=single
-LOG_DEPRECATIONS_CHANNEL=null
 LOG_LEVEL=debug
 
-DB_CONNECTION=sqlite
-# DB_HOST=127.0.0.1
-# DB_PORT=3306
-# DB_DATABASE=laravel
-# DB_USERNAME=root
-# DB_PASSWORD=
+DB_CONNECTION=mysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_DATABASE=persegi
+DB_USERNAME=root
+DB_PASSWORD=
 
 SESSION_DRIVER=database
 SESSION_LIFETIME=120
@@ -38,28 +34,11 @@ FILESYSTEM_DISK=local
 QUEUE_CONNECTION=database
 
 CACHE_STORE=database
-# CACHE_PREFIX=
-
-MEMCACHED_HOST=127.0.0.1
-
-REDIS_CLIENT=phpredis
-REDIS_HOST=127.0.0.1
-REDIS_PASSWORD=null
-REDIS_PORT=6379
 
 MAIL_MAILER=log
-MAIL_SCHEME=null
 MAIL_HOST=127.0.0.1
 MAIL_PORT=2525
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
-MAIL_FROM_ADDRESS="hello@example.com"
+MAIL_FROM_ADDRESS="noreply@persegi.id"
 MAIL_FROM_NAME="${APP_NAME}"
-
-AWS_ACCESS_KEY_ID=
-AWS_SECRET_ACCESS_KEY=
-AWS_DEFAULT_REGION=us-east-1
-AWS_BUCKET=
-AWS_USE_PATH_STYLE_ENDPOINT=false
-
-VITE_APP_NAME="${APP_NAME}"
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..8211ea4
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,82 @@
+# Panduan Kontribusi
+
+Terima kasih telah tertarik berkontribusi pada proyek **Persegi**!
+
+---
+
+## Prasyarat
+
+- PHP >= 8.4
+- Composer
+- MySQL / MariaDB
+- Node.js (opsional, untuk asset)
+
+---
+
+## Setup Lokal
+
+```bash
+git clone <repo-url>
+cd persegi
+
+composer install
+cp .env.example .env
+php artisan key:generate
+```
+
+Isi konfigurasi database di `.env`:
+```
+DB_DATABASE=persegi
+DB_USERNAME=root
+DB_PASSWORD=
+```
+
+Lalu jalankan:
+```bash
+php artisan migrate --seed
+php artisan shield:generate --panel=admin
+php artisan shield:super-admin --user=1
+php artisan serve
+```
+
+Akses admin panel: `http://localhost:8000/dashboard`
+
+Untuk notifikasi & queue:
+```bash
+php artisan queue:work
+```
+
+---
+
+## Alur Kontribusi
+
+1. Fork repository ini
+2. Buat branch baru: `git checkout -b feat/nama-fitur`
+3. Lakukan perubahan
+4. Commit dengan pesan yang jelas (gunakan bahasa Indonesia):
+   ```
+   feat: tambah fitur X
+   fix: perbaiki bug Y
+   docs: update dokumentasi Z
+   ```
+5. Push ke fork kamu: `git push origin feat/nama-fitur`
+6. Buat Pull Request ke branch `master`
+
+---
+
+## Konvensi Kode
+
+- Ikuti struktur yang sudah ada: Resource → `app/Filament/Resources/{Nama}/`
+- Pisahkan Form, Table, dan Pages ke file terpisah
+- Gunakan Observer untuk side-effect (log, notifikasi)
+- Semua aksi penting wajib dicatat ke `activity_logs`
+- Jangan hardcode permission — gunakan Filament Shield
+
+---
+
+## Melaporkan Bug
+
+Buka issue dengan menyertakan:
+- Langkah untuk mereproduksi
+- Pesan error lengkap
+- Role user yang mengalami bug
diff --git a/README.md b/README.md
index 0ad4d53..7854691 100644
--- a/README.md
+++ b/README.md
@@ -161,3 +161,9 @@ php artisan route:cache
 php artisan view:cache
 php artisan permission:cache-reset
 ```
+
+---
+
+## Kontribusi
+
+Lihat [CONTRIBUTING.md](CONTRIBUTING.md) untuk panduan berkontribusi.