diff --git a/install.sh b/install.sh
index 7f19afa..0805e47 100644
--- a/install.sh
+++ b/install.sh
@@ -32,6 +32,28 @@ BRANCH="${BRANCH:-feature/SVTH-575---install-users}"
 ENV_FILE=""
 GIT_REPO="https://git.seventh.com.br/seventh.p7/attendance-system.install.git"
 
+# ─── RabbitMQ (mensageria entre suite/users/reports) ──────────
+# Um vhost por serviço: quem consome é dono do vhost onde a fila mora.
+# Usuário "owner" tem acesso total ao próprio vhost; "writer" só publica
+# (write-only) no vhost de um serviço vizinho — ver rabbitmq/definitions.json.
+RABBITMQ_SUITE_VHOST="suite"
+RABBITMQ_USERS_VHOST="users"
+RABBITMQ_REPORTS_VHOST="reports"
+
+RABBITMQ_SUITE_OWNER_USER="suite-owner"
+RABBITMQ_SUITE_OWNER_PASSWORD="suite-owner-secret"
+RABBITMQ_USERS_OWNER_USER="users-owner"
+RABBITMQ_USERS_OWNER_PASSWORD="users-owner-secret"
+RABBITMQ_REPORTS_OWNER_USER="reports-owner"
+RABBITMQ_REPORTS_OWNER_PASSWORD="reports-owner-secret"
+
+RABBITMQ_SUITE_WRITER_USER="suite-writer"
+RABBITMQ_SUITE_WRITER_PASSWORD="suite-writer-secret"
+RABBITMQ_USERS_WRITER_USER="users-writer"
+RABBITMQ_USERS_WRITER_PASSWORD="users-writer-secret"
+RABBITMQ_REPORTS_WRITER_USER="reports-writer"
+RABBITMQ_REPORTS_WRITER_PASSWORD="reports-writer-secret"
+
 # ══════════════════════════════════════════════════════════════
 # Utilitários
 # ══════════════════════════════════════════════════════════════
@@ -415,23 +437,23 @@ RABBITMQ_PASSWORD=${RABBITMQ_PASSWORD}
 # Um vhost por serviço: quem consome é dono do vhost onde a fila mora.
 # Usuário "owner" tem acesso total ao próprio vhost; "writer" só publica
 # (write-only) no vhost de um serviço vizinho — ver rabbitmq/definitions.json.
-RABBITMQ_SUITE_VHOST=suite
-RABBITMQ_USERS_VHOST=users
-RABBITMQ_REPORTS_VHOST=reports
+RABBITMQ_SUITE_VHOST=${RABBITMQ_SUITE_VHOST}
+RABBITMQ_USERS_VHOST=${RABBITMQ_USERS_VHOST}
+RABBITMQ_REPORTS_VHOST=${RABBITMQ_REPORTS_VHOST}
 
-RABBITMQ_SUITE_OWNER_USER=suite-owner
-RABBITMQ_SUITE_OWNER_PASSWORD=suite-owner-secret
-RABBITMQ_USERS_OWNER_USER=users-owner
-RABBITMQ_USERS_OWNER_PASSWORD=users-owner-secret
-RABBITMQ_REPORTS_OWNER_USER=reports-owner
-RABBITMQ_REPORTS_OWNER_PASSWORD=reports-owner-secret
+RABBITMQ_SUITE_OWNER_USER=${RABBITMQ_SUITE_OWNER_USER}
+RABBITMQ_SUITE_OWNER_PASSWORD=${RABBITMQ_SUITE_OWNER_PASSWORD}
+RABBITMQ_USERS_OWNER_USER=${RABBITMQ_USERS_OWNER_USER}
+RABBITMQ_USERS_OWNER_PASSWORD=${RABBITMQ_USERS_OWNER_PASSWORD}
+RABBITMQ_REPORTS_OWNER_USER=${RABBITMQ_REPORTS_OWNER_USER}
+RABBITMQ_REPORTS_OWNER_PASSWORD=${RABBITMQ_REPORTS_OWNER_PASSWORD}
 
-RABBITMQ_SUITE_WRITER_USER=suite-writer
-RABBITMQ_SUITE_WRITER_PASSWORD=suite-writer-secret
-RABBITMQ_USERS_WRITER_USER=users-writer
-RABBITMQ_USERS_WRITER_PASSWORD=users-writer-secret
-RABBITMQ_REPORTS_WRITER_USER=reports-writer
-RABBITMQ_REPORTS_WRITER_PASSWORD=reports-writer-secret
+RABBITMQ_SUITE_WRITER_USER=${RABBITMQ_SUITE_WRITER_USER}
+RABBITMQ_SUITE_WRITER_PASSWORD=${RABBITMQ_SUITE_WRITER_PASSWORD}
+RABBITMQ_USERS_WRITER_USER=${RABBITMQ_USERS_WRITER_USER}
+RABBITMQ_USERS_WRITER_PASSWORD=${RABBITMQ_USERS_WRITER_PASSWORD}
+RABBITMQ_REPORTS_WRITER_USER=${RABBITMQ_REPORTS_WRITER_USER}
+RABBITMQ_REPORTS_WRITER_PASSWORD=${RABBITMQ_REPORTS_WRITER_PASSWORD}
 
 # ── Sistema Base ──────────────────────────────────────────
 SYSTEM_BASE_CONN=${SYSTEM_BASE_CONN}