# Migrate from Docker Compose
This part explains how to migrate applications from Docker Compose to the Clawcloud Run platform.
Clawcloud Run offers features such as instant deployment, deep CI/CD integration, private networks, observability, and elastic scaling, allowing developers to focus on implementing business logic without worrying about the underlying infrastructure. Thanks to the user-friendly experience provided by the Clawcloud Run platform, developers can more easily migrate, deploy, and manage applications.
This part uses Wordpess with a MySQL database as an example to demonstrate how to migrate applications from Docker Compose to the Clawcloud Run platform.
Worpress
#### Background Information
What is Docker Compose?
> Docker Compose is a tool for defining and running multi-container applications. It is the key to unlocking a streamlined and efficient development and deployment experience.
>
> Compose simplifies the control of your entire application stack, making it easy to manage services, networks, and volumes in a single, comprehensible YAML configuration file. Then, with a single command, you create and start all the services from your configuration file.
The Docker Compose configuration file is as follows:
{% code title="docker-compose.yml" overflow="wrap" lineNumbers="true" %}
```yaml
services:
wordpress:
image: wordpress
restart: always
ports:
- 8080:80
environment:
WORDPRESS_DB_HOST: db
WORDPRESS_DB_USER: exampleuser
WORDPRESS_DB_PASSWORD: examplepass
WORDPRESS_DB_NAME: exampledb
volumes:
- wordpress:/var/www/html
db:
image: mysql:8.0
restart: always
environment:
MYSQL_DATABASE: exampledb
MYSQL_USER: exampleuser
MYSQL_PASSWORD: examplepass
MYSQL_RANDOM_ROOT_PASSWORD: '1'
volumes:
- db:/var/lib/mysql
volumes:
wordpress:
db:
```
{% endcode %}
primarily involving the following parameters:
* ports: publish a container's port(s) to the host;
* environment: set environment variables;
* volumes: bind mount a volume.
Next, we will demonstrate how to deploy an identical application on the Clawcloud Run platform using the same image, database and configuration parameters.
#### **Deployment Steps**
Log in to the Clawcloud Run console, navigate to the App Launchpad application, and click on "Create APP".
Clawcloud Run Console
App Launchpad
On the Application Deployment page, fill in the application parameters as specified in the table below:
| Application Parameter | Parameter Value | Description |
| --------------------- | -------------------- | ------------------------------------- |
| Application Name | Wordpress with MySQL | Custom Application Name |
| Image Type | Public | Public or Private |
| Image Name | wordpress:latest | Format \/\:tag |
| Usage Type | Fixed | Fixed or Scaling |
| Replicas | 1 | Set according to actual needs |
| CPU | 2 Core | Set according to actual needs |
| Memory | 4 G | Set according to actual needs |
Next, configure the application parameters corresponding to the -p, -e, and -v options in the docker run command.
| Docker Parameters | Application Parameter | Parameter Value |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
| `8080:80` | Network - Container Port | 80 |
|
|
| `wordpress:/var/www/html` | Advanced Configuration - Local Storage | `/var/www/html` |
Finally, click "Deploy Application" to deploy the application.
Deploy Application
Next, create the MySQL database, navigate to the Database application, and click on "Create Database".
Clawcloud Run Database
Create Database
On the Database Deploy page, fill in the database parameters as specified in the table below:
| Database Parameter | Parameter Value | Description |
| ------------------ | --------------- | --------------------------------- |
| Type | MySQL | MySQL or PostgreSQL or Redis etc. |
| Version | mysql-8.0.30 | Database version |
| Name | db | Custom Database Name |
| CPU | 2 Core | Set according to actual needs |
| Memory | 4 G | Set according to actual needs |
| Replicas | 3 | Set according to actual needs |
| Storage | 100 G | Set according to actual needs |
| Backup | Off | Set according to actual needs |
Finally, click "Deploy" to deploy the database.
Deploy Database
Record the database connection details displayed in the console, such as Username, Password, Host, etc.
Database Connection Details
Go back to the App Launchpad, edit the Environment Variables for WordPress, input the database connection information, and restart the WordPress application.
Edit Environment Variables
You can now access Wordpress via the Public Address provided by the Clawcloud Run platform.
Wordpress Initialization interface
You can also use a custom domain to access the application. To set up a custom domain, please add a CNAME record for your domain pointing to the public address at your domain registrar. You can bind your custom domain once the DNS resolution takes effect.
Custom Domain
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