Fix health checks (#663)

Gemfile

@@ -35,7 +35,7 @@ gem 'turbolinks', '~> 5'
 gem 'jbuilder', '~> 2.5'
 
 # Use Redis adapter to run Action Cable in production
-gem 'redis', '~> 3.0'
+# gem 'redis', '~> 3.0'
 
 # Use ActiveModel has_secure_password
 gem 'bcrypt', '~> 3.1.7'

Gemfile.lock

@@ -248,7 +248,6 @@ GEM
     recaptcha (5.0.0)
       json
     redcarpet (3.4.0)
-    redis (3.3.5)
     remote_syslog_logger (1.0.4)
       syslog_protocol
     rolify (5.2.0)
@@ -373,7 +372,6 @@ DEPENDENCIES
   random_password
   recaptcha
   redcarpet
-  redis (~> 3.0)
   remote_syslog_logger
   rolify
   rspec-rails (~> 3.7)

config/initializers/health_check.rb

@@ -23,17 +23,11 @@ HealthCheck.setup do |config|
 
   config.http_status_for_error_object = 500
 
-  # bucket names to test connectivity - required only if s3 check used, access permissions can be mixed
-  config.buckets = { 'bucket_name' => [:R, :W, :D] }
-
   # You can customize which checks happen on a standard health check, eg to set an explicit list use:
-  config.standard_checks = %w(database migrations custom)
-
-  # Or to exclude one check:
-  config.standard_checks -= %w(emailconf)
+  config.standard_checks = %w(database migrations emailconf)
 
   # You can set what tests are run with the 'full' or 'all' parameter
-  config.full_checks = %w(database migrations custom email cache redis resque-redis sidekiq-redis s3)
+  config.full_checks = %w(database migrations email cache)
 
   # max-age of response in seconds
   # cache-control is public when max_age > 1 and basic_auth_username is not set
@@ -43,7 +37,4 @@ HealthCheck.setup do |config|
 
   # http status code used when the ip is not allowed for the request
   config.http_status_for_ip_whitelist_error = 403
-
-  # When redis url is non-standard
-  config.redis_url = 'redis_url'
 end