What do you guys think about putting the different components (webserver, php, redis, etc.) in separate containers like this, as compared to all in one?
It’s much better to separate them. You can update them separately, you can configure and fine-tune them separately, you can reuse the images for different apps, you can reuse a container for multiple apps etc.
Not to mention not having to rebuild the all-in-one image yourself, which can get very finicky.