To prevent this, you have to add sync_userid: '1' to your docker-sync.yml config file, where 1 is the user ID of the daemon user inside the container.Īfter adding that line all problems went away instantly, and I was able to work with the setup. This will lead to conflicts while saving files. For my current Docker stack with Bitnami containers, I ran into issues because docker-sync be default uses the root user to store all files, while PHP FPM runs as the daemon user. If you run into permission problems like me, with Laravel not being able to write logs and Wordpress not being able to store uploads, you will likely have to specify another user ID.
#Mac upgrade docker to docker for mac for mac
(PS: Kitematic is built right into the Docker for Mac install package.) You can continue working in the terminal, I recommend Kitematic for fast log viewing of containers. This is the way I use at the moment, I may write a bash function or alias for that later. If you feel the urge to not use docker-sync at some time, you could start your app with the regular docker-compose up command. This is quite handy, because we can use the current docker-compose.yml file as it is, without any modifications. With the current versions of Docker Compose you are able to overwrite certain configurations of previous docker-compose.yml files. You can find additional configuration params for volumes in the official documentation. Node_modules are excluded because they are also not needed for regular PHP apps and thus can be removed, especially because it may take a lot of time until the 4596895 files and folders are synced. Neither git nor the IDE folders have anything to do with the app itself, so they are not needed in the container. I excluded the Git, the PhpStorm and the node_modules folders here. The src option defines which files should be copied into the volume by default, you can exclude specific directories or files with the sync_excludes option. Please note that the name of the volume ( your-app-files here), must be unique on your whole machine. Both apps are running with PHP 7.3.Įnter fullscreen mode Exit fullscreen modeįirst, under the syncs option, you specify which volumes to create. I opened pages from both apps 10 times in a row, without specific page caching. The main metric used here is the TTFB, or time to first byte, in milliseconds. The following two apps are based on Laravel and Wordpress, while there are images from Bitnami used to run both. I benchmarked docker-sync because I wanted to look at hard numbers instead of guessing if the request was faster or not. This allows you to edit any files in your editor, they are synced into the volume and your app can access it. your file system), docker-sync implements different tools which take care of syncing the inside of the container with your host file system. As volumes are usually not bound to the outside world (i.e. It creates a volume that holds all your app source files and makes it available to your app, which can read and write pretty fast to the volume. And this is exactly what docker-sync does. Thankfully, Docker is able to use native mounting if you put files into volumes, which are then handled by the Linux kernel. Even a millisecond difference can pile up to half a second for your whole app, if you have a 500 source files which need to be read. While this does not sound like a big deal, it really is. In case of macOS, OSXFS is the elephant in the room. On Linux, Docker can directly mount files and folders from file system, while on Mac Docker has to pass the request to the OS which takes care of writing the file to the disk. The Docker for Mac (and for Windows) performance problems have their roots in the OS file system layer between Docker and OS. Thankfully, there is a solution for this problem, that does not require changing your whole tech stack: docker-sync. Response times of a second for Laravel apps and 3-7 seconds for a larger Wordpress stack are quite common. But there is and always was one problem: performance.
I haven't touched my MAMP dev setup for more than a year now and barely use my local PHP CLI.
I really do love the concept of Docker and containerization.
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