Use an env var for Carrierwave's cache_dir

app/uploaders/base_uploader.rb

@@ -1,9 +1,5 @@
 class BaseUploader < CarrierWave::Uploader::Base
   def cache_dir
-    if Rails.env.production?
+    Rails.application.secrets.carrierwave[:cache_dir]
-      '/tmp/tps-cache'
-    else
-      '/tmp/tps-dev-cache'
-    end
   end
 end

config/env.example

@@ -22,6 +22,7 @@ FOG_OPENSTACK_AUTH_URL=""
 FOG_OPENSTACK_REGION=""
 FOG_DIRECTORY=""
 FOG_ENABLED=""
+CARRIERWAVE_CACHE_DIR="/tmp/tps-local-cache"
 
 CLEVER_CLOUD_ACCESS_KEY_ID=""
 CLEVER_CLOUD_SECRET_ACCESS_KEY=""

config/secrets.yml

@@ -40,6 +40,8 @@ defaults: &defaults
     openstack_auth_url: <%= ENV['FOG_OPENSTACK_AUTH_URL'] %>
     openstack_region: <%= ENV['FOG_OPENSTACK_REGION'] %>
     directory: <%= ENV['FOG_DIRECTORY'] %>
+  carrierwave:
+      cache_dir: <%= ENV['CARRIERWAVE_CACHE_DIR'] %>
   mailtrap:
     username: <%= ENV['MAILTRAP_USERNAME'] %>
     password: <%= ENV['MAILTRAP_PASSWORD'] %>
@@ -60,6 +62,8 @@ test:
     key: api_entreprise_test_key
   fog:
     directory: tps_dev
+  carrierwave:
+      cache_dir: /tmp/tps-test-cache
   pipedrive:
     key: pipedrive_test_key
   france_connect_particulier:

spec/uploaders/base_uploader_spec.rb

@@ -6,16 +6,6 @@ describe BaseUploader do
   describe '#cache_dir' do
     subject { uploader.cache_dir }
 
-    context 'when rails env is not production' do
+    it { is_expected.to eq '/tmp/tps-test-cache' }
-      it { is_expected.to eq '/tmp/tps-dev-cache' }
-    end
-
-    context 'when rails env is not production' do
-      before do
-        allow(Rails).to receive(:env).and_return(ActiveSupport::StringInquirer.new("production"))
-      end
-
-      it { is_expected.to eq '/tmp/tps-cache' }
-    end
   end
 end