46 lines
2.0 KiB
Markdown
46 lines
2.0 KiB
Markdown
# Wordpress lab
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## Spawn a standalone Wordpress instance
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* Create a Namespace.
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* Deploy the `wordpress:5` image, using a `deployment` of one replica and exposing the port `80`.
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* Try to connect to it using port forwarding from the hosting node.
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* Confirm the Wordpress setup screen is available and that you need a database to complete the setup.
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## Create a service to expose Wordpress
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* Expose the Wordpress server, with a service to facilite access to it.
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## Create a MariaDB database
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* Deploy the `mariadb:10` image:
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* Using a `deployment` of one replica
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* Exposing an environment variable called `MYSQL_ROOT_PASSWORD` containing the password of your choice
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* Exposing an environment variable called `MYSQL_DATABASE` with the value `wordpress` (to automatically create an empty database at MariaDB startup)
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* Exposing the port `3306`.
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* Create a `service` to expose the MariaDB server.
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* Resume the Wordpress setup to use the newly created database.
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* Delete the mariadb container to have it recreated.
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* Go back to Wordpress and note that all previous work is now lost.
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## Store MySQL credentials in a secret
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* Create a `secret` containing mysql user (`root`) and the corresponding password.
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* Update the mariadb deployment to use this secret for the root password.
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## Put Wordpress database settings into environment variables
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* Edit the wordpress deployment and add the following environment variables with appropriate values:
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* WORDPRESS_DB_HOST
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* WORDPRESS_DB_NAME
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* WORDPRESS_DB_USER from the secret previously created
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* WORDPRESS_DB_PASSWORD from the secret previously created
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* Confirm the database settings are now automatically configured at first wordpress start
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## Persist the MariaDB volume
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* Create a `PersistentVolumeClaim` to store MariaDB data.
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* Modify the mariadb deployment to mount the new PersistentVolume into `/var/lib/mysql`
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* Repeat the Wordpress setup
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* Delete the mariadb container and confirm the Wordpress configuration is restored from the database.
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