Make gem releasable without bundling

.codeclimate.yml

@@ -1,7 +1,5 @@
 ---
 engines:
-  bundler-audit:
-    enabled: false
   duplication:
     enabled: true
     config:

README.md

@@ -215,3 +215,7 @@ Cassette::Client.cache.backend.clear
 3. Commit your changes (`git commit -am 'Added some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
 5. Create new Pull Request
+
+## Releasing
+
+You can use the `./scripts/docker-release.sh` to push a version to rubygems

Rakefile

@@ -1,10 +1,10 @@
 #!/usr/bin/env rake
-require 'bundler/gem_tasks'
-
-require 'rspec/core/rake_task'
 
-require 'cassette/version'
+require 'bundler/gem_tasks'
 
-RSpec::Core::RakeTask.new(:spec) do |task|
-  task.rspec_opts = '--format RspecJunitFormatter  --out spec/reports/rspec.xml --format documentation --color'
+if defined?(RSpec)
+  require 'rspec/core/rake_task'
+  RSpec::Core::RakeTask.new(:spec) do |task|
+    task.rspec_opts = '--format RspecJunitFormatter  --out spec/reports/rspec.xml --format documentation --color'
+  end
 end

scripts/docker-release.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+RELEASE_ARGS="${@:-rake release}"
+IMAGE=ruby:2.6
+
+docker run -it --rm \
+  -w /app \
+  -v $(pwd):/app \
+  -v $HOME/.gem:/root/.gem \
+  $IMAGE \
+  $RELEASE_ARGS

scripts/docker-test.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+TEST_ARGS="${@:-bundle exec rspec spec}"
+IMAGE=ruby:2.6
+
+docker volume create cassette-gems && \
+  docker run -it --rm \
+    -w /app \
+    -v $(pwd):/app \
+    -v $HOME/.gem:/root/.gem \
+    -v cassette-gems:/gems \
+    -e BUNDLE_PATH=/gems \
+    -e BUNDLE_JOBS=4 \
+    $IMAGE \
+    $TEST_ARGS