Adding support for smtp in variables for backend

backend/docker-compose.yml

@@ -20,6 +20,9 @@ services:
       - "db"
       - "redis"
     environment:
+      smtp_server: "${smtp_server}"
+      smtp_sender: "${smtp_sender}"
+      smtp_login: "${smtp_login}"
       setup_done: "false"
       setup_admin_email: "${setup_admin_email}"
       setup_admin_password: "${setup_admin_password}"
@@ -39,6 +42,9 @@ services:
       - "redis"
       - "backend"
     environment:
+      smtp_server: "${smtp_server}"
+      smtp_sender: "${smtp_sender}"
+      smtp_login: "${smtp_login}"
       setup_done: "true"
       db_migrate: "false"
     image: "hub.botprotec.com/botpro/botpro-backend:${VERSION_TAG}"
@@ -50,6 +56,9 @@ services:
       - "redis"
       - "backend"
     environment:
+      smtp_server: "${smtp_server}"
+      smtp_sender: "${smtp_sender}"
+      smtp_login: "${smtp_login}"
       setup_done: "true"
       db_migrate: "false"
       redis_queue: "low"
@@ -62,6 +71,9 @@ services:
       - "redis"
       - "backend"
     environment:
+      smtp_server: "${smtp_server}"
+      smtp_sender: "${smtp_sender}"
+      smtp_login: "${smtp_login}"
       db_uri: "postgres://postgres:${POSTGRES_PASSWORD}@db/postgres"
       db_migrate: "false"
     image: "hub.botprotec.com/botpro/botpro-backend-w2p-worker:${VERSION_TAG}"