Modify the binstubs to run things in docker

bin/bundle

@@ -1,3 +1,6 @@
 #!/usr/bin/env ruby
+if ENV["RAILS_ENV"] != "production"
+  exec("#{__dir__}/../script/docker-environment", $PROGRAM_NAME, *ARGV) unless File.exist?("/etc/app-env")
+end
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 load Gem.bin_path('bundler', 'bundle')

bin/cucumber

@@ -1,4 +1,7 @@
 #!/usr/bin/env ruby
+if ENV["RAILS_ENV"] != "production"
+  exec("#{__dir__}/../script/docker-environment", $PROGRAM_NAME, *ARGV) unless File.exist?("/etc/app-env")
+end
 begin
   load File.expand_path("../spring", __FILE__)
 rescue LoadError

bin/rails

@@ -1,4 +1,8 @@
 #!/usr/bin/env ruby
+if ENV["RAILS_ENV"] != "production"
+  exec("#{__dir__}/../script/docker-environment", $PROGRAM_NAME, *ARGV) unless File.exist?("/etc/app-env")
+end
+
 APP_PATH = File.expand_path('../../config/application', __FILE__)
 require_relative '../config/boot'
 require 'rails/commands'

bin/rake

@@ -1,4 +1,7 @@
 #!/usr/bin/env ruby
+if ENV["RAILS_ENV"] != "production"
+  exec("#{__dir__}/../script/docker-environment", $PROGRAM_NAME, *ARGV) unless File.exist?("/etc/app-env")
+end
 require_relative '../config/boot'
 require 'rake'
 Rake.application.run

bin/setup

@@ -1,4 +1,7 @@
 #!/usr/bin/env ruby
+if ENV["RAILS_ENV"] != "production"
+  exec("#{__dir__}/../script/docker-environment", $PROGRAM_NAME, *ARGV) unless File.exist?("/etc/app-env")
+end
 require 'pathname'
 
 # path to your application root.

bin/spring

@@ -1,4 +1,7 @@
 #!/usr/bin/env ruby
+if ENV["RAILS_ENV"] != "production"
+  exec("#{__dir__}/../script/docker-environment", $PROGRAM_NAME, *ARGV) unless File.exist?("/etc/app-env")
+end
 
 # This file loads spring without using Bundler, in order to be fast
 # It gets overwritten when you run the `spring binstub` command

script/docker-environment

@@ -0,0 +1,16 @@
+#!/bin/sh
+# Run a command in the app's environment 
+
+set -e
+
+# Find our app dir and just run the command in we're in the container since the
+# container is built with an /etc/app-env file inside of it.
+appdir=$(cd $(dirname "$0")/.. && pwd)
+[ -f /etc/app-env ] && exec "$@"
+
+# Otherwise, run docker compose to run our command in the container
+cmd="$@"; [ "$#" -eq 0 ] && cmd=bash
+export VOLUME="$appdir:/app"
+image=${DOCKER_IMAGE:=web}
+
+exec docker-compose run --rm $image $cmd