Add and configure Scout APM for production

Gemfile

@@ -45,6 +45,7 @@ gem "pagy", "~> 5.2"
 gem "pay", "~> 3.0"
 gem "pundit", "~> 2.1"
 gem "redcarpet", "~> 3.5"
+gem "scout_apm", "~> 5.1"
 gem "sidekiq", "~> 6.3"
 gem "sitemap_generator", "~> 6.1"
 gem "stripe", ">= 2.8", "< 6.0"

Gemfile.lock

@@ -208,6 +208,8 @@ GEM
     nokogiri (1.12.5)
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
+    nokogiri (1.12.5-x86_64-darwin)
+      racc (~> 1.4)
     noticed (1.4.1)
       http (>= 4.0.0)
       rails (>= 5.2.0)
@@ -294,6 +296,8 @@ GEM
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     ruby-progressbar (1.11.0)
+    scout_apm (5.1.1)
+      parser
     sidekiq (6.3.1)
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
@@ -369,6 +373,7 @@ DEPENDENCIES
   rails (~> 7.0)
   redcarpet (~> 3.5)
   redis
+  scout_apm (~> 5.1)
   sidekiq (~> 6.3)
   sitemap_generator (~> 6.1)
   sprockets-rails (~> 3.4)

config/credentials/production.yml.enc

@@ -1 +1 @@
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config/scout_apm.yml

@@ -0,0 +1,13 @@
+common: &defaults
+  key: <%= Rails.application.credentials.dig(:scout, :key) %>
+  monitor: false
+
+development:
+  <<: *defaults
+
+test:
+  <<: *defaults
+
+production:
+  <<: *defaults
+  monitor: true