Home Operation and Maintenance Docker How to migrate applications to docker

How to migrate applications to docker

Mar 16, 2020 pm 05:05 PM
docker application migrate

How to migrate applications to docker? This article will take the PHP web program as an example to explain how to migrate the application to run on docker. Hope this helps you!

How to migrate applications to docker

How to migrate applications to docker

The steps to migrate applications to docker are as follows:

Step one: Pull the image.

docker pull tutum/lamp
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Step 2: Run the container.

In this experiment, the local application root directory is /home/wwwroot/default, please modify the path according to your own situation. YOURPASSWORD maintains the previous database password.

docker run -d -p 81:80 -p 3307:3306 -e MYSQL_PASS="YOURPASSWORD" -v /home/wwwroot/default:/app tutum/lamp
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Step 3:Modify the application database configuration file.

In this image, the root user is not allowed to connect outside the container - you should use the admin user!

Just modify the database user name in the configuration file of the PHP application.

Step 4: Export the local database data, and then import the database in the container.

It’s too simple, just export and import from the mysql command line.

MySQLdump -h localhost -u root -p mydb >e:\MySQL\mydb.sql #导出
MySQLdump -h localhost -u root -p mydb mytable>e:\MySQL\mytable.sql #导入
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Through the above 4 steps, you can migrate the application to run on docker.

Recommended learning: MySQL video tutorial

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