Comments on Docker: How to use it in a practical way - Part 3

Nice article.

Add your user to the docker group so you do not have to run everything as root with sudo.

also 'docker ps -a' is important to see all not running containers, because it is always a lot of cleaning up.

also --restart=always to autostart your images after a reboot is nice. no need to write a startupscript :-)

how to run this on AWS?

On running following command:-

$ sudo docker run --name=mynotepad -p 80:80 -p 443:443 bitnami/wordpressERROR ==> The WORDPRESS_DATABASE_PASSWORD environment variable is empty or not set. Set the environment variable ALLOW_EMPTY_PASSWORD=yes to allow the container to be started with blank passwords. This is recommended only for development.

Please advise how to fix it.  Thanks

satimis

@satimis Same error at my place...

@satimistry another image, worked out for me:docker pull wordpressdocker run --name=mynotepad -p 8081:80 -p 443:443 wordpresshttp://localhost:8081

@webmaster

In the section "Containers are ephemeral"

This paragraph: "By design Docker containers are ephemeral. By “ephemeral,” we mean that a container can be stopped and destroyed and a new one can be built from the same Docker image and put in place with an absolute minimum of set-up and configuration."  is writen twice.

Also, nice article. Good info, it helped me out allot.

Thank you for the notice. I've fixed that.

do:

sudo docker run --name=mynotepad -p 80:80 -p 443:443 -e ALLOW_EMPTY_PASSWORD=yes bitnami/wordpress

Worked for me

this fixed the issue there for me too, but the setup process did not complete because I then got the following error

```

mysql-c INFO  Trying to connect to MySQL server

Error executing 'postInstallation': Failed to connect to mariadb:3306 after 36 tries

```

The command -- sudo cd /var/lib/docker -- can't work.  cd is an internal shell command which cannot be executed.   Suggestion

sudo -s

cd /var/lib/docker

...

ls

exit