![]() ![]() In the issue File system performance improvements, Docker has already added cached volume support, where reads are cached for native filesystem read performance, and support for delegated volumes will be added soon (which allows writes to be cached as well, so operations like composer update on a volume will not be sluggish).Īs of May 2017, you need to download Docker's Edge release to use the cached or delegated volume options on Mac. running it in VirtualBox with an NFS mounted shared folder. The latter issue was a deal-breaker for me, because the performance using a Docker container with a Drupal codebase as a volume was abysmal-it was 18 times slower running the same Drupal codebase within a Docker container vs. Docker for Mac is known for sluggish filesystem access when using default volumes.Using Docker on a custom IP address (so you can have multiple Drupal VM instances on different IP addresses all using port 80, 443, etc.).There were two major issues that I've been tracking, and thankfully, both issues are resolved with the most recent release of Docker: ![]() The main reason I have held off getting Drupal VM working within Docker containers was because Docker's support for Mac has been weak at best. Since there are bound to be a lot of questions surrounding experimental Docker support, I thought I'd stick a few of the frequently asked questions in here. See the documentation here: 'Bake and Share' a custom Drupal VM Docker image. via Google Drive, Dropbox, etc.), then each team member can load in the image with composer docker-load-image. Then, save the image with composer docker-save-image, share it with team members (e.g. using Varnish, Solr, and PostgreSQL), you can configure Drupal VM using a config.yml file as usual, but instead of requiring each team member to provision a Drupal VM instance on their own, one team member can composer docker-bake a Docker container. For teams with particular requirements (e.g. The second way you can use Drupal VM with Docker is to use some built-in functionality to build a completely custom Docker image. Use Drupal VM to 'bake and share' a custom image Want a real-world example? See the Site for Drupal VM Prod Deployment Demonstrations codebase on GitHub-it's using this technique for the local environment. You can even customize the default image slightly using a Dockerfile and changing one line in the Docker Compose file see Add a Dockerfile for customization. If you're using a Mac, there's an additional step required to make the container's IP address usable you currently have to create an alias for the IP address you use for the container with the command sudo ifconfig lo0 alias 192.168.88.88/24 (where the IP address is the one you have chosen in your project's Docker Compose file). Add an entry to your computer's hosts file.Customize the Docker Compose file for your project.Copy Drupal VM's example Docker Compose file into your project's root directory.Using it with an existing project is easy: The simplest option-if you don't need much customization, but rather need a quick LAMP stack running with all Drupal VM's defaults-is to use the official Drupal VM docker image. The main benefit of using Docker instead of Vagrant (at least at this point) is speed-not only is provisioning slightly faster (or nearly instantaneous if using the Docker Hub image), but performance on Windows and Linux is decidedly better than with VirtualBox.Īnother major benefit? The Drupal VM Docker image is only ~250 MB! If you use VirtualBox, box files are at least twice that size getting started with Drupal VM using Docker is even faster than Vagrant + VirtualBox! Use the Docker Hub image Use Drupal VM to build a custom Docker image for your project.Use the drupal-vm Docker Hub container.But no longer-with 4.5.0, Drupal VM now supports Docker as an experimental alternative to Vagrant + VirtualBox, and you can use Drupal VM with Docker in one of two ways: And technically, Drupal VM's core components have always been able to run inside Docker containers (most of them use Docker-based integration tests as well).īut Docker usage was always an undocumented and unsupported feature of Drupal VM. The answer to that question is a bit nuanced Drupal VM has been using Docker to run its own integration tests for over a year (that's how I run tests on seven different OSes using Travis CI). But ever since Docker became 'the hot new thing' in infrastructure tooling, I've been asked when Drupal VM will convert to using Docker. Drupal VM has used Vagrant and (usually) VirtualBox to run Drupal infrastructure locally since its inception. ![]()
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