fix architecture and write new tests

.env.docker.production.example

@@ -14,20 +14,20 @@ REGISTRY_UPSTREAM_URL=http://10.0.0.10:5000
 # APP_VERSION=latest
 REGISTRY_HOST=registry.rentaldrivego.ma
 REGISTRY_USER=rentaldrivego_registry
-REGISTRY_PASSWORD=PMPS5k0D7rUeJOk0NkhI5bRtoGjkUqjK
+REGISTRY_PASSWORD=placeholder
 REGISTRY_IMAGE=registry.rentaldrivego.ma/rentaldrivego/car_management_system
-REGISTRY_HTTP_SECRET=PMPS5k0D7rUeJOk0NkhI5bRtoGjkUqjK
+REGISTRY_HTTP_SECRET=placeholder
 
 # ── Database ──────────────────────────────────────────────────────────────────
 # Full connection URL (used when DATABASE_URL_FROM_POSTGRES=false)
-DATABASE_URL=postgresql://postgres:24DY&1u5FLCkNMeiO_p@postgres:5432/rentaldrivego
+DATABASE_URL=postgresql://placeholder:placeholder@placeholder:5432/placeholder
 # Build the URL from individual vars (set to true to use POSTGRES_* vars below)
 DATABASE_URL_FROM_POSTGRES=true
 POSTGRES_HOST=postgres
 POSTGRES_PORT=5432
 POSTGRES_DB=rentaldrivego
 POSTGRES_USER=postgres
-POSTGRES_PASSWORD=24DY&1u5FLCkNMeiO_p
+POSTGRES_PASSWORD=placeholder
 
 
 # ── Cache ─────────────────────────────────────────────────────────────────────
@@ -62,7 +62,7 @@ ADMIN_URL=https://rentaldrivego.ma/admin
 CORS_ORIGINS=https://rentaldrivego.ma,https://www.rentaldrivego.ma
 
 # ── Auth ──────────────────────────────────────────────────────────────────────
-JWT_SECRET=PMPS5k0D7rUeJOk0NkhI5bRtoGjkUqjK
+JWT_SECRET=placeholder
 JWT_EXPIRY=8h
 RENTER_JWT_EXPIRY=7d
 NODE_ENV=production
@@ -78,7 +78,7 @@ MAIL_HOST=smtp.gmail.com
 MAIL_PORT=587
 MAIL_SCHEME=smtp
 MAIL_USERNAME=rentaldrivego@gmail.com
-MAIL_PASSWORD="xmhg ibqy muoc rntc"
+MAIL_PASSWORD=placeholder
 MAIL_FROM_ADDRESS=rentaldrivego@gmail.com
 MAIL_FROM_NAME=RentalDriveGo
 MAIL_REPLY_TO_ADDRESS=rentaldrivego@gmail.com