gems: add pry-rails, meta_request, rack-mini-profiler.

Gemfile

@@ -62,11 +62,18 @@ end
 
 group :development do
   gem 'sinatra'
+  gem 'meta_request'
+  gem 'rack-mini-profiler'
+  gem 'stackprof'
+  gem 'flamegraph'
+  gem 'memory_profiler'
 end
 
 group :development, :test do
   gem 'awesome_print'
   gem 'pry-byebug'
+  gem 'pry-rails'
+  gem 'pry-inline'
   gem 'foreman'
   gem 'listen'
 end

Gemfile.lock

@@ -91,6 +91,7 @@ GEM
     buftok (0.2.0)
     builder (3.2.3)
     byebug (11.0.1)
+    callsite (0.0.11)
     capistrano (3.11.0)
       airbrussh (>= 1.0.0)
       i18n
@@ -142,6 +143,7 @@ GEM
     ffi (1.11.1-x64-mingw32)
     ffi-win32-extensions (1.0.3)
       ffi
+    flamegraph (0.9.5)
     foreman (0.85.0)
       thor (~> 0.19.1)
     get_process_mem (0.2.4)
@@ -217,6 +219,11 @@ GEM
     memoist (0.16.0)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
+    memory_profiler (0.9.14)
+    meta_request (0.7.0)
+      callsite (~> 0.0, >= 0.0.11)
+      rack-contrib (>= 1.1, < 3)
+      railties (>= 3.0.0, < 7)
     metaclass (0.0.4)
     method_source (0.9.2)
     mime-types (3.2.2)
@@ -270,11 +277,20 @@ GEM
     pry-byebug (3.7.0)
       byebug (~> 11.0)
       pry (~> 0.10)
+    pry-inline (1.0.5)
+      pry (> 0.10.0, <= 0.12.2)
+      unicode (~> 0.4.4)
+    pry-rails (0.3.9)
+      pry (>= 0.10.4)
     ptools (1.3.5)
     ptools (1.3.5-universal-mingw32)
       win32-file (>= 0.7.0)
     public_suffix (3.1.1)
     rack (2.0.7)
+    rack-contrib (2.1.0)
+      rack (~> 2.0)
+    rack-mini-profiler (1.0.2)
+      rack (>= 1.2.0)
     rack-protection (2.0.5)
       rack
     rack-proxy (0.6.5)
@@ -363,6 +379,7 @@ GEM
     sshkit (1.20.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
+    stackprof (0.2.12)
     statistics2 (0.54)
     streamio-ffmpeg (3.0.2)
       multi_json (~> 1.8)
@@ -393,6 +410,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.6)
+    unicode (0.4.4.4)
     unicorn (5.5.1)
       kgio (~> 2.6)
       raindrops (~> 0.7)
@@ -448,6 +466,7 @@ DEPENDENCIES
   dtext_rb!
   factory_bot
   ffaker
+  flamegraph
   foreman
   google-api-client
   httparty
@@ -455,6 +474,8 @@ DEPENDENCIES
   listen
   mechanize
   memoist
+  memory_profiler
+  meta_request
   minitest-ci
   mocha
   mock_redis
@@ -463,7 +484,10 @@ DEPENDENCIES
   oauth2
   pg
   pry-byebug
+  pry-inline
+  pry-rails
   ptools
+  rack-mini-profiler
   rails (~> 5.2)
   rakismet
   recaptcha
@@ -480,6 +504,7 @@ DEPENDENCIES
   simple_form
   simplecov
   sinatra
+  stackprof
   statistics2
   streamio-ffmpeg
   stripe