Boot an application by docker-compose 10. ![]() Create Dockerfile, Gemfile and Gemfile.lock for Ruby on Rails 6. Let’s create both for this demonstration. Create Dockerfile and my.cnf for MySQL 5. It will have access to the container file system and mimic the behavior of a non- root user on a server. Create a local student user account inside the Docker container.cat backup.sql docker exec -i CONTAINER /usr/bin/mysql. The mysql client lets you connect from the host operating system through the Command-Line Interface (CLI). docker exec CONTAINER /usr/bin/mysqldump -u root -passwordroot DATABASE > backup.sql. At least, that’s the only connection option unless you likewise install the mysql client on your host macOS. Create an individual student user that can access the MySQL-Server as a micro-service, which would only be a MySQL user connecting through MySQL workbench.Lrwxrwxrwx 1 root root 8 Oct 12 22:06 sbin -> usr/sbinĭr-xr-xr-x 13 root root 0 Jan 12 03:41 sysĭrwxrwxrwt 1 root root 4096 Jan 12 03:41 tmpĭrwxr-xr-x 1 root root 4096 Oct 12 22:06 usrĭrwxr-xr-x 1 root root 4096 Oct 12 22:06 varĪt this point, you have to make a choice about how you will access the MySQL database. Lrwxrwxrwx 1 root root 9 Oct 12 22:06 lib64 -> usr/lib64 Lrwxrwxrwx 1 root root 7 Oct 12 22:06 lib -> usr/lib rwxr-xr-x 1 root root 1073 Oct 19 05:37 healthcheck.sh rw-r-r- 1 root root 86 Jan 12 03:41 healthcheck.cnf The Docker menu () displays the Docker Subscription Service Agreement window. In the example below, the Applications folder is in grid view mode. ![]() Double-click Docker.app in the Applications folder to start Docker. rwxr-xr-x 1 root root 7496 Oct 19 05:37 entrypoint.shĭrwxr-xr-x 1 root root 4096 Jan 12 03:41 etc Double-click Docker.dmg to open the installer, then drag the Docker icon to the Applications folder. Lrwxrwxrwx 1 root root 7 Oct 12 22:06 bin -> usr/binĭrwxr-xr-x 5 root root 340 Jan 12 03:41 devĭrwxr-xr-x 2 root root 4096 Oct 19 05:47 docker-entrypoint-initdb.d Drwxr-xr-x 1 root root 4096 Jan 12 03:41. mysql-volume The following command will pull the MySQL server version 8.0.20 from the Docker registry and then instantiate a Docker container with the name mk-mysql.
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