feat: add datadog integration and lograge JSON logs formatting

lib/custom_log_formatter.rb

@@ -1,22 +0,0 @@
-class CustomLogFormatter < ActiveSupport::Logger::SimpleFormatter
-  SEVERITY_TO_COLOR_MAP = {'DEBUG'=>'0;37', 'INFO'=>'32', 'WARN'=>'33', 'ERROR'=>'31', 'FATAL'=>'31', 'UNKNOWN'=>'37'}
-
-  IPRegexp = /\b(?:[0-9]{1,3}\.){3}[0-9]{1,3}\b/
-  FilteredString = '**FILTERED**'
-
-  def call(severity, time, progname, msg)
-    formatted_severity = sprintf("%-5s","#{severity}")
-    formatted_time = time.strftime("%Y-%m-%d %H:%M:%S.") << time.usec.to_s[0..2].rjust(3)
-    color = SEVERITY_TO_COLOR_MAP[severity]
-
-    "\033[0;37m#{formatted_time}\033[0m [\033[#{color}m#{formatted_severity}\033[0m] #{filter_ip(msg)} (pid:#{$$})\n"
-  end
-
-  def filter_ip(msg)
-    if msg.is_a? String
-      return msg.gsub(IPRegexp, FilteredString).strip
-    else
-      return msg
-    end
-  end
-end