SHELL

docker setup

Step 1: Setup. ...
Step 2: Create a Dockerfile. ...
Step 3: Define services in a Compose file. ...
Step 4: Build and run your app with Compose. ...
Step 5: Edit the Compose file to add a bind mount. ...
Step 6: Re-build and run the app with Compose. ...
Step 7: Update the application.

docker based setup

sudo docker-compose up --build
sudo docker ps
sudo docker exec -it 3a3a28011213 bash enter sql bash
cd var/mysql/backups   enter to backup
next copy database file and then place in backups folder in two places (config) .
mysql -u username -p database_name < file.sql
         root              pac
enter password: myroot in composer file
export and import configuration
first enter to web container
sudo docker exec -it d2e12c545cee bash
  then change directory to  cd var/www  and run command for vendor/bin/drush cr