Data to connect to database in Laravel are specified in the database settings configuration file:
.env
you need to change the line:DATABASE_URL="mysql: // login: password @ host: 3306 / base_data "
app/config/parameters.yml
you need to change the lines:parameters: database_driver: pdo_mysql database_host: host database_port: 3306 database_name: base_database data_user: login database_password: password
Changes can be made using file manager or any FTP client.