dockerfile alpine linux imagemagick rails

If you use a different database, you’ll need to tweak a few of the files below. PreRequisitesįor this tutorial, I’m using a simple Rails 5 application configured to use a PostgreSQL database. In this tutorial, you’ll learn how to take a basic Rails app and prepare it for use in a Docker container (“ dockerise ” it). Using Docker can get rid of the “it works on my machine” problem, and help you to easily scale your app as it grows.ĭocker is particularly great when your app has a lot of dependencies, or requires specific versions of libraries and tools to be configured. podman ps -a (a command I’ve never even tried until googling now) shows this: CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESĬ8d1d8823122 docker.io/library/postgres:10-alpine postgres 32 seconds ago Exited (1) 32 seconds ago 0.0.0.0:5432->5432/tcp app_dbĪny ideas? (I wanted to try here before filing a bug, since I’m relatively new to podman.Rails on Docker: Getting Started with Docker and Ruby on Railsģ December 2018: Use ruby:2.5-alpine Docker images.ĭocker is a fantastic tool for isolating your app and its environment, and allows easy distribution and state-replication across multiple environments (dev, test, beta, prod, etc.). However, podman stop app_db and podman restart app_db both act like nothing’s wrong. Now the second command (which has always worked) fails with a Error: cannot exec into container that is not running: container state improper and podman ps doesn’t show the container at all. Podman exec -it app_db bash -lc 'su - postgres -c 'createuser -superuser root'' This is what I’ve been doing: podman run -name app_db -p 5432:5432 -d docker.io/postgres:10-alpine I’ve been doing this for a while now, and it works really well.Īfter a few weeks without work on this, I got a new computer now and a clean Silverblue install, and my old setup doesn’t work anymore.

I’m doing Rails development, and my preferred setup is using Toolbox for most of it so I can install stuff like memcached and imagemagick without layering (Toolbox is easier than creating a container for the whole app, and lets me run rails server and whatnot without creating container scripts), and using a podman container for postgresql.

Dockerfile alpine linux imagemagick rails