![]() ![]() You may wish to consult the following resources for additional information More extensive documentation on Docker is available in the Containers section of the Linode Guides & Tutorials site. The docker-compose.yml specifies the latest version of the Drupal image, so it’s easy to update your Drupal version: docker-compose downĭocker-compose pull & docker-compose up -d This will permanently delete the Drupal customizations you’ve made so far. If you want to remove this data and start over with your Drupal site, you can add the -volumes flag to the previous command. However, your Drupal files and data will be preserved, as the docker-compose.yml file was configured to create persistent volumes for that data. When a Docker container is taken down, it is also deleted this is how Docker is designed to work. To stop and remove containers, networks and images created by the docker-compose.yml file: cd ~/my_drupal/ To restart your Drupal application: cd ~/my_drupal/ ![]() This will stop the running Drupal and PostgreSQL containers, but will not remove them. ![]() To stop your Drupal application: cd ~/my_drupal/ This option tells Docker Compose to automatically start your services when the server boots. You do not need to manually start your containers if you reboot your Linode, because the option restart: always was assigned to your services in your docker-compose.yml file. When creating your Drupal user, be sure to enter a password that is different from your PostgreSQL password. If you are interested in installing the standalone Docker Compose application, follow Docker’s official installation guide.Ĭomplete the other screens in the setup guide. These steps thus show how to install the Docker Compose plugin. Further, the plugin has a straightforward installation and works well with past Docker Compose commands. However, Docker’s official documentation prioritizes the plugin. Install Docker Composeĭocker Compose is available in plugin and standalone variants. Installing and Using Docker on CentOS and Fedoraįor complete instructions on even more Linux distributions, reference the Install Docker Engine section of Docker’s official documentation. Installing and Using Docker on Ubuntu and Debian To install Docker CE (Community Edition), follow the instructions within one of the guides below: Images and containers are self-contained, which means that they are easy to clean up if you decide to remove them.Updating your software is as simple as downloading the latest images from Docker Hub.The configuration of the software has been done for you, which means that you don’t need to follow a step-by-step process for each application to get them running on your system.Using the Drupal and PostgreSQL images from Docker Hub offers the following benefits: Docker Hub is an official repository where individuals and organizations can upload Docker images for public consumption. A Docker image is a static snapshot of a container which is used to create new container instances. Docker Compose will facilitate the networking between them.Ĭontainers for Drupal and PostgreSQL are available from Docker Hub in the form of images. This guide walks through the deployment of a Drupal container and another PostgreSQL container that Drupal will use to store its data. Docker also allows you to create your own containers that include any custom software you’d like.ĭocker Compose is a complementary system which helps you link together individual Docker containers so they can work together. When deployed, these software packages are referred to as containers. Even entire Linux distributions can be run in Docker. Docker is a system that provides pre-configured, self-contained applications, frameworks, and software stacks, such as WordPress, Golang, or LAMP.
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