Docker bundler 2. github. Jun 28, 2020 · You would get an error if there is bundler's version difference between BUNDLED WITH in Gemfile. Instead, we recommend checking in your Gemfile and Gemfile. lock before you upgrade your application. newrelic/infrastructure-bundle:a2q-candidate Multi-platform Index digest sha256:ae8f4ace67103efaa3a7c8cb4996ae7b6d735acb46b89bdbe5a715e462744734 Hello, world! Description nix bundle, by default, packs the closure of the installable into a single self-extracting executable. See the bundlers homepage for more details. I use docker image from the question to run builds with Gitlab CI, and there are no RUN and COPY commands that reproduce the issue. 4 as suggested is not a bad idea. Dec 23, 2019 · I guess that any bundler version greater than 2. My Docker file looks the following way: Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one - oven-sh/bun Docker (software) Former logo Docker is a set of products that uses operating system-level virtualization to deliver software in packages called containers. 4 will not run a Gemfile. Oct 31, 2019 · 4 I'm trying to install bundler v2 in docker file and it installs successfully. Github Pages template based upon HTML and Markdown for personal, portfolio-based websites. How to use Bundler with Docker Introduction The official Docker images for Ruby assume that you will use only one application, with one Gemfile, and no other gems or Ruby applications will be installed or run in your container. lock Tagged with rails, docker. Jun 5, 2020 · Since the Bundler 2. 4. 0 would be OK. In your Dockerfile, change the PATH and GEM_HOME so that Bundler will install all gems to the same location, and running commands will use the RubyGems binstubs Make bundler fast again in Docker Compose You read thoughtbot’s Rails on Docker article, moved your entire development environment into Docker containers via Docker Compose, then realized everytime you update a gem you have to run bundle from scratch and it takes forever. Docker automates the deployment of applications within lightweight containers, enabling them to run consistently across different computing environments. . Covers docker-setup. Note This command only works on Linux. sh, Docker Compose configuration, agent sandboxing, and troubleshooting steps. Bundler 2 does not provide a way to downgrade a Gemfile back to Bundler 1. 3) putting in the RUN gem install bundler:2. - ykding666/ykding666. Sep 22, 2025 · Tags: docker ruby bundler I am trying to install bundler version 2. Even if you have a new version of Bundler installed and you uninstall the Bundler that’s referenced in this variable, a mismatch can occur when you run the “bundle install” command. When running docker-compose up locally Asked 6 years, 9 months ago Modified 5 years, 6 months ago Viewed 19k times Jan 27, 2021 · Even though you are gem install ing the correct version of Bundler? It turns out that the Ruby Docker images set an environment variable called BUNDLER_VERSION, which Bundler will always try to use to install dependencies when you run bundle install, even if a newer version has been installed. io Oct 30, 2019 · 2 I'm trying to Dockerize my Rails app and constantly getting this warning when running docker build -t tml_portal: How to manage application dependencies with Bundler How to manage groups of gems How to package and share code using a Gemfile How to troubleshoot RubyGems and Bundler TLS/SSL Issues How to update gems with Bundler How to use Bundler in a single-file Ruby script How to use Bundler with Docker How to use Bundler with Rails How to use Bundler 5 days ago · Learn how to install and run OpenClaw with Docker in 2026. Flake output attributes If no flake output attribute is given, nix bundle tries the following flake output attributes: bundlers Apr 29, 2019 · You must use Bundler 2 or greater with this lockfile. when i run rubocop i get below error. 1. To build a Docker container that can run more than one Ruby application or global commands installed with gem install, you will need to change some environment variables from the defaults set in the official Docker image for Ruby. 0. lock BUNDLED WITH 2. 1 in a docker image that is built from ruby:2. 1 series removed all notions of compatibility with anything (Bundler 2. Dec 29, 2025 · This happens because this Docker image will set a BUNDLER_VERSION environment variable that Bundler will try to use when you’re installing dependencies. agk kkx cwe voh ynm ejr nav ivb exy bxr nwo tbr jwd gtx rij