Install Brakeman and add to TravisCI

.travis.yml

@@ -25,6 +25,7 @@ before_script:
 
 script:
   - docker-compose -f docker-compose.ci.yml run --rm test_web rails db:wait_for_init db:create spec
+  - docker-compose -f docker-compose.ci.yml run --rm test_web brakeman
   - docker-compose -f docker-compose.ci.yml run --rm test_web yarn test
   - docker-compose -f docker-compose.ci.yml run --rm test_web rubocop
   - docker-compose -f docker-compose.ci.yml run --rm test_web yarn lint

Gemfile

@@ -25,6 +25,7 @@ gem 'webpacker'
 # gem 'image_processing', '~> 1.2'
 
 group :development, :test do
+  gem 'brakeman'
   gem 'database_cleaner'
   gem 'dotenv-rails'
   gem 'factory_bot_rails'

Gemfile.lock

@@ -85,6 +85,7 @@ GEM
     bindex (0.7.0)
     bootsnap (1.4.4)
       msgpack (~> 1.0)
+    brakeman (4.5.1)
     builder (3.2.3)
     capybara (3.22.0)
       addressable
@@ -298,6 +299,7 @@ PLATFORMS
 
 DEPENDENCIES
   bootsnap (>= 1.4.1)
+  brakeman
   capybara (>= 2.15)
   database_cleaner
   dotenv-rails