INFYTA Billing — cPanel Deploy Guide (DMS pattern: Master Panel + Branches)
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3 TA INSTALL (DMS-er Central + Branch-er moto):
  1) billing_master.zip    -> Master Panel ONLY (sudhu login + panel,
                              billing-er kono page nei — DMS Central-er moto)
  2) billing_uat.zip       -> UAT (test branch)
  3) billing_rubelwifi.zip -> rubel_wifi (company branch)

Master Panel-e sudhu company/branch list, license, active/suspend
ar auto-login thakbe — billing-er dashboard/customer/payment
kicchu thakbe na. UAT ar rubel_wifi — 2 tai Master Panel-er
list-er entry hisebe thakbe. (Alada Main install nei.)

Protita zip-er vitore kono extra folder nei — subdomain folder-er
VITORE extract korlei install cholbe.

STEP 1 — SUBDOMAIN (cPanel → Subdomains):
  3 ta subdomain banan (apnar domain-e):
    master.apnardomain.com
    uat.apnardomain.com
    rubelwifi.apnardomain.com
  Protitar jonno cPanel ekta folder banabe (jemon
  public_html/master.apnardomain.com). Folder naam mone rakhun —
  Master Panel-e Folder field-e ei naam lagbe.

STEP 2 — DATABASE (cPanel → MySQL Databases) — SOBCHE JORURI:
  3 ta DB banan (cPanel username prefix jog hobe, jemon):
    infytaco_billing_master
    infytaco_billing_uat
    infytaco_billing_rubelwifi
  1 ta DB user banan (strong password) → "Add User to Database"
  theke oi user-ke 3 ta DB-tei ALL PRIVILEGES din.
  ETA NA DILE Master Panel theke auto-login ar license push
  kaj korbe na (DB connect error dibe).

STEP 3 — IMPORT (cPanel → phpMyAdmin):
  Protita DB-te database.sql import korun (zip-er vitore ache).
  Seed login: superadmin / password  —  AR  admin / password.
  PROTHOM LOGIN-EI PASSWORD BODLE NIN.

STEP 4 — FILE UPLOAD (cPanel → File Manager):
  Protita zip tar subdomain folder-e upload kore Extract korun.
  File gulo folder-er root-e thakte hobe (vitor-e aro ekta
  folder thakle cholbe na).

STEP 5 — CONFIG (protita install-er config/db.php khulun):
  DB_HOST: localhost (cPanel-e sadharonoto etai)
  DB_NAME: Step 2-er FULL naam (prefix soho)
  DB_USER: Step 2-er user
  DB_PASS: Step 2-er password
  Zip-e deoa template-e DB_NAME age thekei bosano ache
  (billing_master / billing_uat / billing_rubelwifi) —
  sudhu cPanel prefix + USER/PASS miliye nin.

STEP 6 — SSL (cPanel → SSL/TLS Status):
  3 ta subdomain-e AutoSSL run korun (padlock asbe).
  Cloudflare thakle subdomain gulo grey-cloud (DNS-only) rakhun,
  tarpor AutoSSL korun.

STEP 7 — MASTER PANEL SETUP:
  Master subdomain khulun: https://master.apnardomain.com/master_login.php
  Seed admin diye login kore PROTHOME password bodlan.
  Master Panel-e 2 ta entry korun (UAT, rubel_wifi):
    UAT:
      Name: UAT
      Folder: uat.apnardomain.com (Step 1-er folder naam)
      DB Name: infytaco_billing_uat (Step 2-er full naam)
      Login URL: https://uat.apnardomain.com/login.php (FULL URL — cPanel-e eta LAGBEI)
      License: meyad-er date din, ba Lifetime tick din
      Status: Active
    rubel_wifi: (eki niyome — Folder rubelwifi.apnardomain.com,
      DB infytaco_billing_rubelwifi,
      Login URL https://rubelwifi.apnardomain.com/login.php)
  Save korlei license branch DB-te auto-push hobe.

STEP 8 — TEST:
  Master Panel theke UAT-er Auto-login → UAT dashboard khulbe.
  rubel_wifi-r Auto-login → company dashboard khulbe.
  Branch admin-er password bodle nin. Branch-er logo:
  branch install-e Settings → logo upload korun.

STEP 9 — CRON (cPanel → Cron Jobs, voucher expiry-r jonno):
  Branch install gulo-r jonno 1 ta kore, proti 5 minute
  (Master-e cron lagbe na — okhane billing nei):
    */5 * * * * curl -s "https://uat.apnardomain.com/cron.php?key=infyta_cron_secret"
    */5 * * * * curl -s "https://rubelwifi.apnardomain.com/cron.php?key=infyta_cron_secret"
  (apnar domain diye bodle nin.)

RULES / NOTES:
  - License-er meyad sesh hole branch panel nijei bondho hoye
    jabe (login + sob page-e block). Master Panel theke meyad
    bariye Save korlei abar khulbe.
  - Suspend korle panel bondho hobe, Active korle khulbe.
  - Delete sudhu list theke soray — Database kokhono delete hoy na.
  - Pore aro company chaile eki niyome subdomain + DB +
    folder copy + Master Panel-e entry korun.
  - CSS/image na ashle: folder permission 755, file 644 kore
    dekhen (File Manager-e extract-er por kokhono 0660 hoy).
  - Auto-login-e "DB connect" error ashle Step 2-er grant
    (user-ke oi DB-te ALL PRIVILEGES) check korun.