Add healthcheck endpoint and task (#230)

config/routes.rb

@@ -56,4 +56,10 @@ Rails.application.routes.draw do
       get 'authentication'
     end
   end
+
+  # Healthcheck endpoint
+  get '/health', to: proc {
+    Tenant.first # to make sure db works
+    [200, {}, ['success']]
+  }
 end

lib/tasks/healthcheck.rake

@@ -0,0 +1,20 @@
+require 'rake'
+require 'net/http'
+require 'uri'
+
+task :healthcheck, [:port] do |t, args|
+  port = args[:port] || 3000
+
+  # Make the HTTP request to the health endpoint
+  uri = URI.parse("http://localhost:#{port}/health")
+  response = Net::HTTP.get_response(uri)
+  
+  exit_code = response.is_a?(Net::HTTPSuccess) ? 0 : 1
+
+rescue
+  exit_code = 1
+
+ensure
+  puts "Healthcheck returned: #{exit_code.to_s}"
+  exit(exit_code)
+end