Sean Ephraim sephraim

If you try to build your Ruby Dockerfile and get the following error(s):

 => ERROR [app base 4/4] RUN gem install bundler                                                                                                                                                                                                  24.1s
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 > [app base 4/4] RUN gem install bundler:
24.10 ERROR:  Error installing bundler:
24.10 	The last version of bundler (>= 0) to support your Ruby & RubyGems was 2.4.22. Try installing it with `gem install bundler -v 2.4.22`
24.10 	bundler requires Ruby version >= 3.0.0. The current ruby version is 2.6.10.210.
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1.) Upgrade asdf itself

If installed via homebrew...

brew update && brew upgrade

If installed via curl...

asdf update

Key points

Run docker compose run web bundle && docker compose build to update your Gemfile.lock before building the image
Gemfile.dev should be nearly identical to Gemfile but also contain development gems such as 'debug' and 'solargraph-rails'
Dockerfile.dev should be nearly identical to Dockerfile, except for the FROM image version, COPY Gemfile.dev Gemfile, COPY Gemfile.lock Gemfile.lock, and possibly using the root user
Remember to revert your Gemfile.lock before committing, e.g. git checkout develop -- Gemfile.lock

Example commands

Start a bash session

docker compose build && docker compose run client bash

Run tests

docker compose build && docker compose run client rspec

	# Put this in your .ruby-version file
	3.2.2

	# Put this in your Gemfile
	ruby file: '.ruby-version'

	# ... which is equivalent to:
	ruby '3.2.2'

	# Source: https://twitter.com/RubyCademy/status/1736747484154593748

	# NOTE: This process takes ~16 minutes on an M1 Mac

	# RESOURCES:
	# - https://www.cyberciti.biz/faq/how-to-create-disk-image-on-mac-os-x-with-dd-command/
	# - https://help.steampowered.com/en/faqs/view/1B71-EDF2-EB6D-2BB3

	# STEPS:

	# 1.) Download the SteamOS .img.bz2 file from here: https://help.steampowered.com/en/faqs/view/1B71-EDF2-EB6D-2BB3

	services:
	traefik:
	image: traefik:2.10
	command: --api.insecure=true --providers.docker
	ports:
	- "80:80"
	- "8080:8080"
	volumes:
	- /var/run/docker.sock:/var/run/docker.sock
	rails1:

	# REQUIREMENTS:
	# 1.) Your computer must be connected to the same network as the SQL Server,
	# likely either through VPN or VDI.
	# 2.) You will need to have the SQL Server driver installed. Admins can install
	# it directly, but non-admins should be able to install it indirectly by
	# installing Azure Data Studio.

	library(DBI)
	library(odbc)

	require 'json'
	require 'openstruct'
	require 'yaml'

	FILE_PATH = '/path/to/file.yml'

	### LOAD YAML FILE AS A YAML OBJECT ###
	yaml = YAML.load_file(FILE_PATH) # with string keys
	yaml = JSON.parse(YAML.load_file(FILE_PATH).to_json, symbolize_names: true) # with symbol keys

	# Run workflow on a MacOS 13 Ventura runner
	act -W .github/workflows/<WORKFLOW_NAME>.yml -P self-hosted=sickcodes/docker-osx:ventura