add special matcher for docker api uri to exclude extra slashes

spec/lib/docker_wrapper_spec.rb

@@ -2,14 +2,14 @@
 
 describe DockerWrapper do
   it "creates a new docker container" do
-    VCR.use_cassette "create_container" do
+    VCR.use_cassette "create_container", match_requests_on: [:method, :docker_api_uri_matcher] do
       container = DockerWrapper.find_or_create 'mcfiredrill/icecast', 'coolradio_icecast'
       expect(container.id).to_not eq nil
     end
   end
 
   it "starts the container with ports exposed" do
-    VCR.use_cassette "start container" do
+    VCR.use_cassette "start container", match_requests_on: [:method, :docker_api_uri_matcher] do
       container = DockerWrapper.find_or_create 'mcfiredrill/icecast', 'coolradio_icecast'
       container.start
       expect(container.host_port(8000)).to_not eq nil
@@ -18,7 +18,7 @@
   end
 
   it "sets the env" do
-    VCR.use_cassette "set_env" do
+    VCR.use_cassette "set_env", match_requests_on: [:method, :docker_api_uri_matcher] do
       container = DockerWrapper.find_or_create 'mcfiredrill/icecast', 'coolradio_icecast_with_env', ["RADIO_NAME=coolradio"]
       container.start
       expect(container.env.include?("RADIO_NAME=coolradio")).to eq true

spec/support/vcr_config.rb

@@ -20,6 +20,8 @@ def test_docker_uri
   config.cassette_library_dir = "spec/fixtures/vcr_cassettes"
   config.hook_into :webmock # or :fakeweb
 
+  config.debug_logger = File.open("log/vcr.log", 'w')
+
   config.define_cassette_placeholder("<DOCKER_HOST>") do
     test_docker_uri
   end
@@ -56,4 +58,16 @@ def test_docker_uri
 
     uri_regex.match?(uri1.path) && uri_regex.match?(uri2.path)
   end
+
+    config.register_request_matcher :docker_api_uri_matcher do |request_1, request_2|
+    uri_1 = URI(request_1.uri)
+    uri_2 = URI(request_2.uri)
+
+    # Remove consecutive slashes from the URI paths
+    path_1 = uri_1.path.gsub(/\/+/, '/')
+    path_2 = uri_2.path.gsub(/\/+/, '/')
+
+    # Compare the modified paths for equality
+    path_1 == path_2
+  end
 end