From 83739eeeb02f72d76214a3ee0500bf4cff893df9 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Mon, 28 Oct 2019 11:08:05 +0300
Subject: [PATCH 01/14] feat: use AnyCable

---
 Gemfile                                      |  7 +++++++
 Gemfile.lock                                 | 14 +++++++++++++
 app/channels/application_cable/connection.rb |  8 ++++++-
 app/views/layouts/application.html.erb       |  1 +
 config/application.rb                        |  2 ++
 config/cable.yml                             | 11 ++++++----
 config/environments/development.rb           |  3 +++
 docker-compose.yml                           | 22 ++++++++++++++++++++
 8 files changed, 63 insertions(+), 5 deletions(-)

diff --git a/Gemfile b/Gemfile
index 0dcecef..b85d4a6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,6 +18,9 @@ gem 'redis', '~> 4.0'
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
 
+# Efficient ActionCable replacement to use web-sockets
+gem 'anycable-rails', '~> 0.6'
+
 # Use ActiveStorage variant
 # gem 'mini_magick', '~> 4.8'
 
@@ -31,6 +34,10 @@ group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
   gem 'pry-rails'
+
+  # AnyCable Web Socket server
+  # Disabled. Gem is very unstable.
+  # gem "anycable-rack-server"
 end
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index 68490b6..e69c583 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,6 +42,13 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+    anycable (0.6.3)
+      anyway_config (~> 1.4.2)
+      grpc (~> 1.17)
+    anycable-rails (0.6.4)
+      anycable (~> 0.6.0)
+      rails (>= 5)
+    anyway_config (1.4.4)
     arel (9.0.0)
     bindex (0.8.1)
     bootsnap (1.4.4)
@@ -55,6 +62,12 @@ GEM
     ffi (1.11.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
+    google-protobuf (3.9.2)
+    googleapis-common-protos-types (1.0.4)
+      google-protobuf (~> 3.0)
+    grpc (1.24.0)
+      google-protobuf (~> 3.8)
+      googleapis-common-protos-types (~> 1.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
@@ -153,6 +166,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  anycable-rails (~> 0.6)
   bootsnap (>= 1.1.0)
   byebug
   jbuilder (~> 2.5)
diff --git a/app/channels/application_cable/connection.rb b/app/channels/application_cable/connection.rb
index dde95a7..5ab950c 100644
--- a/app/channels/application_cable/connection.rb
+++ b/app/channels/application_cable/connection.rb
@@ -3,8 +3,14 @@ class Connection < ActionCable::Connection::Base
     identified_by :current_user
 
     def connect
-      self.current_user = request.session.fetch("username", nil)
+      self.current_user = session.fetch("username", nil)
       reject_unauthorized_connection unless current_user
     end
+
+    # By default we don't have access to the session object
+    # https://edgeguides.rubyonrails.org/action_cable_overview.html#notes
+    def session
+      cookies.encrypted[Rails.application.config.session_options[:key]]
+    end
   end
 end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 839f820..2f9c6da 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -4,6 +4,7 @@
     <title>EvilChat</title>
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
+    <%= action_cable_meta_tag %>
 
     <%= stylesheet_pack_tag 'application', media: 'all' %>
   </head>
diff --git a/config/application.rb b/config/application.rb
index ec8632f..b1bdc19 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -27,6 +27,8 @@ class Application < Rails::Application
     # -- all .rb files in that directory are automatically loaded after loading
     # the framework and any gems in your application.
 
+    config.action_cable.url = ENV.fetch("CABLE_URL") { "ws://localhost:3334/cable" }
+
     config.generators do |g|
       # Don't generate assets for Sprockets
       g.assets = nil
diff --git a/config/cable.yml b/config/cable.yml
index 1876ed7..ffc160f 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -1,10 +1,13 @@
+default: &default
+  adapter: <%= ENV.fetch('CABLE_ADAPTER', 'any_cable') %>
+
 development:
-  adapter: async
+  <<: *default
 
 test:
-  adapter: async
+  <<: *default
+  channel_prefix: evil_chat_test
 
 production:
-  adapter: redis
-  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  <<: *default
   channel_prefix: evil_chat_production
diff --git a/config/environments/development.rb b/config/environments/development.rb
index d52ec9e..5df2211 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -51,4 +51,7 @@
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+
+  # Always run gRPC server from anycable-rack-server alongside the app's server
+  # config.any_cable_rack.run_rpc = true
 end
diff --git a/docker-compose.yml b/docker-compose.yml
index 09fde98..753fa54 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -55,6 +55,10 @@ services:
         condition: service_healthy
       webpacker:
         condition: service_started
+      anycable-ws:
+        condition: service_started
+      anycable-rpc:
+        condition: service_started
 
   webpacker:
     <<: *app
@@ -69,6 +73,24 @@ services:
       RAILS_ENV: ${RAILS_ENV:-development}
       WEBPACKER_DEV_SERVER_HOST: 0.0.0.0
 
+  anycable-ws:
+    image: anycable/anycable-go:v0.6.4
+    ports:
+      - '3334:3334'
+    environment:
+      PORT: 3334
+      REDIS_URL: redis://redis:6379/0
+      ANYCABLE_RPC_HOST: anycable-rpc:50051
+    depends_on:
+      - anycable-rpc
+      - redis
+
+  anycable-rpc:
+    <<: *backend
+    command: bundle exec anycable
+    ports:
+      - '50051'
+
   postgres:
     image: postgres:12
     volumes:

From ccf46675a7bd2046dedbe086a19308010a22548b Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Mon, 28 Oct 2019 12:32:57 +0300
Subject: [PATCH 02/14] chore: prepare Heroku deployment

---
 Procfile                          | 2 +-
 bin/heroku-web                    | 7 +++++++
 config/environments/production.rb | 2 +-
 config/master.key.back            | 1 -
 4 files changed, 9 insertions(+), 3 deletions(-)
 create mode 100755 bin/heroku-web
 delete mode 100644 config/master.key.back

diff --git a/Procfile b/Procfile
index 8f60e2a..ed02d6e 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-server: bin/rails server
+web: bin/heroku-web
diff --git a/bin/heroku-web b/bin/heroku-web
new file mode 100755
index 0000000..7d5b6a3
--- /dev/null
+++ b/bin/heroku-web
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [ "$ANYCABLE_DEPLOYMENT" == "true" ]; then
+  bundle exec anycable --server-command="anycable-go"
+else
+  bundle exec rails server -p $PORT -b 0.0.0.0
+fi
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 6026643..371754e 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -16,7 +16,7 @@
 
   # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
   # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
-  config.require_master_key = true
+  # config.require_master_key = true
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
diff --git a/config/master.key.back b/config/master.key.back
deleted file mode 100644
index 8b63c1e..0000000
--- a/config/master.key.back
+++ /dev/null
@@ -1 +0,0 @@
-533269e346eb9fd9dc4adc9807749c03
\ No newline at end of file

From 8fc6fd7bf4d1d2a642d6fbc4c546b0afa80f541e Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Mon, 28 Oct 2019 15:14:12 +0300
Subject: [PATCH 03/14] chore: run db migrations on Heroku

---
 Procfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Procfile b/Procfile
index ed02d6e..4a649d8 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1,2 @@
 web: bin/heroku-web
+release: bundle exec rails db:migrate

From 6fb6e2f508b4e7fde70d208ca131d42d084c899b Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Mon, 28 Oct 2019 15:23:10 +0300
Subject: [PATCH 04/14] fix: check presence of session cookie

---
 app/channels/application_cable/connection.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/channels/application_cable/connection.rb b/app/channels/application_cable/connection.rb
index 5ab950c..dd3583a 100644
--- a/app/channels/application_cable/connection.rb
+++ b/app/channels/application_cable/connection.rb
@@ -10,7 +10,7 @@ def connect
     # By default we don't have access to the session object
     # https://edgeguides.rubyonrails.org/action_cable_overview.html#notes
     def session
-      cookies.encrypted[Rails.application.config.session_options[:key]]
+      cookies.encrypted[Rails.application.config.session_options[:key]] || {}
     end
   end
 end

From 22f7599043ad9ae44d7ad3496d89358055624f33 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Mon, 28 Oct 2019 23:20:12 +0300
Subject: [PATCH 05/14] chore: make action cable enabled by default

---
 config/application.rb | 2 +-
 config/cable.yml      | 2 +-
 docker-compose.yml    | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/config/application.rb b/config/application.rb
index b1bdc19..87f30ce 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -27,7 +27,7 @@ class Application < Rails::Application
     # -- all .rb files in that directory are automatically loaded after loading
     # the framework and any gems in your application.
 
-    config.action_cable.url = ENV.fetch("CABLE_URL") { "ws://localhost:3334/cable" }
+    config.action_cable.url = ENV.fetch("CABLE_URL") { ENV["ANY_CABLE"] == "1" ? "ws://localhost:3334/cable" : nil }
 
     config.generators do |g|
       # Don't generate assets for Sprockets
diff --git a/config/cable.yml b/config/cable.yml
index ffc160f..0aa6246 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -1,5 +1,5 @@
 default: &default
-  adapter: <%= ENV.fetch('CABLE_ADAPTER', 'any_cable') %>
+  adapter: <%= ENV.fetch("CABLE_ADAPTER") { ENV["ANY_CABLE"] == "1" ? "any_cable" : "async" } %>
 
 development:
   <<: *default
diff --git a/docker-compose.yml b/docker-compose.yml
index 753fa54..8f77012 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,6 +37,7 @@ services:
       REDIS_URL: redis://redis:6379/
       WEBPACKER_DEV_SERVER_HOST: webpacker
       DISABLE_SPRING: 1
+      ANY_CABLE: 1
     depends_on:
       postgres:
         condition: service_healthy

From 5cd649eb1513c485856eac787bc0f89afc91b162 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Tue, 29 Oct 2019 00:03:18 +0300
Subject: [PATCH 06/14] chore: remove anycable-rack-server

---
 Gemfile                            | 4 ----
 config/environments/development.rb | 3 ---
 2 files changed, 7 deletions(-)

diff --git a/Gemfile b/Gemfile
index b85d4a6..f5c7efa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -34,10 +34,6 @@ group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
   gem 'pry-rails'
-
-  # AnyCable Web Socket server
-  # Disabled. Gem is very unstable.
-  # gem "anycable-rack-server"
 end
 
 group :development do
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 5df2211..d52ec9e 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -51,7 +51,4 @@
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
-
-  # Always run gRPC server from anycable-rack-server alongside the app's server
-  # config.any_cable_rack.run_rpc = true
 end

From 692e2faf5176e0572e1c4ae6994ac7cb270a3300 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Tue, 29 Oct 2019 11:01:04 +0300
Subject: [PATCH 07/14] chore: add ability to start anycable for bare metal
 local development

---
 Procfile.dev | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Procfile.dev b/Procfile.dev
index ca3bc6b..432a2fd 100644
--- a/Procfile.dev
+++ b/Procfile.dev
@@ -1,2 +1,3 @@
 server: bin/rails server
 assets: bin/webpack-dev-server
+anycable: bundle exec anycable --server-command "anycable-go --port 3334"

From 31333529688773d9be5bb590a25e109f3485bba6 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Tue, 29 Oct 2019 11:42:18 +0300
Subject: [PATCH 08/14] chore: make AnyCable enabled by default for development

---
 config/application.rb              | 2 --
 config/cable.yml                   | 5 +++--
 config/environments/development.rb | 2 ++
 config/environments/production.rb  | 2 ++
 docker-compose.yml                 | 1 -
 5 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/config/application.rb b/config/application.rb
index 87f30ce..ec8632f 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -27,8 +27,6 @@ class Application < Rails::Application
     # -- all .rb files in that directory are automatically loaded after loading
     # the framework and any gems in your application.
 
-    config.action_cable.url = ENV.fetch("CABLE_URL") { ENV["ANY_CABLE"] == "1" ? "ws://localhost:3334/cable" : nil }
-
     config.generators do |g|
       # Don't generate assets for Sprockets
       g.assets = nil
diff --git a/config/cable.yml b/config/cable.yml
index 0aa6246..585eddf 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -1,11 +1,12 @@
 default: &default
-  adapter: <%= ENV.fetch("CABLE_ADAPTER") { ENV["ANY_CABLE"] == "1" ? "any_cable" : "async" } %>
+  # List of the available adapters: async, any_cable
+  adapter: <%= ENV.fetch("CABLE_ADAPTER") { "any_cable" } %>
 
 development:
   <<: *default
 
 test:
-  <<: *default
+  adapter: async
   channel_prefix: evil_chat_test
 
 production:
diff --git a/config/environments/development.rb b/config/environments/development.rb
index d52ec9e..58e7633 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -51,4 +51,6 @@
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+
+  config.action_cable.url = (ENV.fetch("CABLE_ADAPTER") { "any_cable" } == "any_cable") ? ENV.fetch("CABLE_URL") { "ws://localhost:3334/cable" } : nil
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 371754e..982a4c3 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -82,4 +82,6 @@
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
+
+  config.action_cable.url = (ENV.fetch("CABLE_ADAPTER") { "any_cable" } == "any_cable") ? ENV.fetch("CABLE_URL") : nil
 end
diff --git a/docker-compose.yml b/docker-compose.yml
index 8f77012..753fa54 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,7 +37,6 @@ services:
       REDIS_URL: redis://redis:6379/
       WEBPACKER_DEV_SERVER_HOST: webpacker
       DISABLE_SPRING: 1
-      ANY_CABLE: 1
     depends_on:
       postgres:
         condition: service_healthy

From d10e95bad2febd68b0f8014b77e740656ec39213 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Tue, 29 Oct 2019 12:07:20 +0300
Subject: [PATCH 09/14] docs: update readme

---
 README.md                          | 26 ++++++++++++++++++--------
 config/environments/development.rb |  4 +++-
 config/environments/production.rb  |  4 +++-
 3 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index cb2e17f..81629e3 100644
--- a/README.md
+++ b/README.md
@@ -16,16 +16,26 @@ If you are looking for code that reflects application at the end of any part, ta
 - [part-2 branch](https://github.com/demiazz/evil_chat/tree/part-2) for the Part 2;
 - [part-3 branch](https://github.com/demiazz/evil_chat/tree/part-3) for the Part 3.
 
-# Installation
+# Development installation
 
+## When using localhost machine
+
+```sh
+cp config/database.yml.example config/database.yml
+
+bundle install
+bin/rails db:migrate
+yarn install
+brew install hivemind
+brew install anycable-go
+hivemind Procfile.dev
 ```
-$ cp config/database.yml.example config/database.yml
 
-$ bin/rails credentials:edit
+## When using Docker Compose
 
-$ bundle install
-$ bin/rails db:migrate
-$ yarn install
-$ brew install hivemind
-$ hivemind Procfile.dev
+```sh
+brew install bibendi/dip/dip
+eval "$(dip console)"
+provision
+rails s
 ```
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 58e7633..2c940af 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -52,5 +52,7 @@
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
 
-  config.action_cable.url = (ENV.fetch("CABLE_ADAPTER") { "any_cable" } == "any_cable") ? ENV.fetch("CABLE_URL") { "ws://localhost:3334/cable" } : nil
+  if ENV.fetch("CABLE_ADAPTER", "any_cable") == "any_cable"
+    config.action_cable.url = ENV.fetch("CABLE_URL", "ws://localhost:3334/cable")
+  end
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 982a4c3..e4b0663 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -83,5 +83,7 @@
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
 
-  config.action_cable.url = (ENV.fetch("CABLE_ADAPTER") { "any_cable" } == "any_cable") ? ENV.fetch("CABLE_URL") : nil
+  if ENV.fetch("CABLE_ADAPTER", "any_cable") == "any_cable"
+    config.action_cable.url = ENV.fetch("CABLE_URL")
+  end
 end

From f49e3a612ee94f73cf4025a2827d4bf1cddfb3fb Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Wed, 30 Oct 2019 22:09:57 +0300
Subject: [PATCH 10/14] chore: fix configs

---
 config/cable.yml                   | 12 ++++--------
 config/environments/development.rb |  6 +++---
 config/environments/production.rb  |  5 +----
 3 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/config/cable.yml b/config/cable.yml
index 585eddf..ed9318b 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -1,14 +1,10 @@
-default: &default
-  # List of the available adapters: async, any_cable
-  adapter: <%= ENV.fetch("CABLE_ADAPTER") { "any_cable" } %>
-
+# List of available adapters: async, any_cable
 development:
-  <<: *default
+  adapter: <%= ENV.fetch("CABLE_ADAPTER", "any_cable") %>
 
 test:
-  adapter: async
-  channel_prefix: evil_chat_test
+  adapter: test
 
 production:
-  <<: *default
+  adapter: <%= ENV.fetch("CABLE_ADAPTER", "any_cable") %>
   channel_prefix: evil_chat_production
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 2c940af..4c18f46 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -52,7 +54,5 @@
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
 
-  if ENV.fetch("CABLE_ADAPTER", "any_cable") == "any_cable"
-    config.action_cable.url = ENV.fetch("CABLE_URL", "ws://localhost:3334/cable")
-  end
+  config.action_cable.url = ENV.fetch("CABLE_URL", "ws://localhost:3334/cable").presence
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index e4b0663..451817c 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -35,6 +35,7 @@
   # Mount Action Cable outside main process or domain
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
+  config.action_cable.url = ENV["CABLE_URL"].presence
   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
@@ -82,8 +83,4 @@
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
-
-  if ENV.fetch("CABLE_ADAPTER", "any_cable") == "any_cable"
-    config.action_cable.url = ENV.fetch("CABLE_URL")
-  end
 end

From ea84a075e9cd176bb7d3d4d1ecdbb1a724cd36a4 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Fri, 1 Nov 2019 09:15:04 +0300
Subject: [PATCH 11/14] feat: add anycable.yml

---
 config/anycable.yml | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 config/anycable.yml

diff --git a/config/anycable.yml b/config/anycable.yml
new file mode 100644
index 0000000..7fd6e98
--- /dev/null
+++ b/config/anycable.yml
@@ -0,0 +1,40 @@
+#  gRPC server settings, anycable grpc server will listen
+#  websocket server at given host:port, usually Anycable server runs locally to ws server
+#  MUST BE in sync with ws-server setting -rpc=0.0.0.0:50051
+#  rpc_host: "localhost:50051"
+
+# redis url
+# MUST BE in sync with ws-server setting -redis=redis://localhost:6379/5
+# REM: Redis PubSub system doesn't use the database part of URI
+# redis_url: "redis://localhost:6379/5"
+
+#  redis_sentinels:
+#    - { host: 'localhost', port: 26379 }
+#    - { host: 'redis-1-2', port: 26379 }
+#    - { host: 'redis-1-3', port: 26379 }
+
+# anycable use single pubsub queue, this is queue name
+# MUST BE in sync with ws-server setting  -redis_channel=__anycable__
+# redis_channel: "__anycable__",
+
+#---------- ENVIRONMENT VARIABLES ----------
+# since Anycable config based on anyway_config (https://github.com/palkan/anyway_config), all Anycable settings,
+# can be set or overridden through corresponding Environment variable.
+# Ex: rpc_host is overridden by ANYCABLE_RPC_HOST, redis_url by ANYCABLE_REDIS_URL e.t.c Look in anyway_config for more details
+
+default: &default
+  rpc_host: <%= ENV.fetch("ANYCABLE_RPC_HOST", "localhost:50051") %>
+  log_grpc: false
+  log_file: nil
+  debug: false # Shortcut to enable GRPC logging and debug level
+  log_level: info
+  redis_channel: "__anycable__"
+  redis_sentinels: []
+
+development:
+  <<: *default
+  redis_url: <%= ENV.fetch("REDIS_URL", "redis://localhost:6379/2") %>
+
+production:
+  <<: *default
+  redis_url: <%= ENV.fetch("REDIS_URL", "redis://localhost:6379/1") %>

From d6cf3891ed6bdb3e8ca2b93a099ddd0bc69d770e Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Fri, 1 Nov 2019 09:57:03 +0300
Subject: [PATCH 12/14] chore: add comments for action_cable.url

---
 config/environments/development.rb | 1 +
 config/environments/production.rb  | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/config/environments/development.rb b/config/environments/development.rb
index 4c18f46..fac6855 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -54,5 +54,6 @@
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
 
+  # Specify AnyCable WebSocket server URL to make JS client connect to it
   config.action_cable.url = ENV.fetch("CABLE_URL", "ws://localhost:3334/cable").presence
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 451817c..8c653ba 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -35,6 +37,7 @@
   # Mount Action Cable outside main process or domain
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
+  # Specify AnyCable WebSocket server URL to make JS client connect to it
   config.action_cable.url = ENV["CABLE_URL"].presence
   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
 

From c46fdf71f5ee3e0de3b299ba9213bddcc6079dc6 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Tue, 5 Nov 2019 12:15:52 +0300
Subject: [PATCH 13/14] chore: update anycable configs

---
 config/anycable.yml                | 52 ++++++++++++------------------
 config/cable.yml                   |  5 +--
 config/environments/development.rb |  2 +-
 config/environments/production.rb  |  2 +-
 docker-compose.yml                 |  6 ++--
 5 files changed, 30 insertions(+), 37 deletions(-)

diff --git a/config/anycable.yml b/config/anycable.yml
index 7fd6e98..f8d54a0 100644
--- a/config/anycable.yml
+++ b/config/anycable.yml
@@ -1,40 +1,30 @@
-#  gRPC server settings, anycable grpc server will listen
-#  websocket server at given host:port, usually Anycable server runs locally to ws server
-#  MUST BE in sync with ws-server setting -rpc=0.0.0.0:50051
-#  rpc_host: "localhost:50051"
-
-# redis url
-# MUST BE in sync with ws-server setting -redis=redis://localhost:6379/5
-# REM: Redis PubSub system doesn't use the database part of URI
-# redis_url: "redis://localhost:6379/5"
-
-#  redis_sentinels:
-#    - { host: 'localhost', port: 26379 }
-#    - { host: 'redis-1-2', port: 26379 }
-#    - { host: 'redis-1-3', port: 26379 }
-
-# anycable use single pubsub queue, this is queue name
-# MUST BE in sync with ws-server setting  -redis_channel=__anycable__
-# redis_channel: "__anycable__",
-
-#---------- ENVIRONMENT VARIABLES ----------
-# since Anycable config based on anyway_config (https://github.com/palkan/anyway_config), all Anycable settings,
-# can be set or overridden through corresponding Environment variable.
-# Ex: rpc_host is overridden by ANYCABLE_RPC_HOST, redis_url by ANYCABLE_REDIS_URL e.t.c Look in anyway_config for more details
-
+# This file contains per-environment settings for AnyCable.
+#
+# Since AnyCable config is based on anyway_config (https://github.com/palkan/anyway_config), all AnyCable settings
+# can be set or overridden through the corresponding environment variables.
+# E.g., `rpc_host` is overridden by ANYCABLE_RPC_HOST, `debug` by ANYCABLE_DEBUG etc.
+#
+# Note that AnyCable recognizes REDIS_URL env variable for Redis pub/sub adapter. If you want to
+# use another Redis instance for AnyCable, provide ANYCABLE_REDIS_URL variable.
+#
+# Read more about AnyCable configuration here: https://docs.anycable.io/#/ruby/configuration
+#
 default: &default
-  rpc_host: <%= ENV.fetch("ANYCABLE_RPC_HOST", "localhost:50051") %>
+  # Turn on/off access logs ("Started..." and "Finished...")
+  access_logs_disabled: false
+  # This is the host and the port to run AnyCable RPC server on.
+  # You must configure your WebSocket server to connect to it, e.g.:
+  #   $ anycable-go --rpc-host="<rpc hostname>:50051"
+  rpc_host: "127.0.0.1:50051"
+  # Whether to enable gRPC level logging or not
   log_grpc: false
-  log_file: nil
-  debug: false # Shortcut to enable GRPC logging and debug level
-  log_level: info
+  # Use the same channel name for WebSocket server, e.g.:
+  #   $ anycable-go --redis-channel="__anycable__"
   redis_channel: "__anycable__"
-  redis_sentinels: []
 
 development:
   <<: *default
-  redis_url: <%= ENV.fetch("REDIS_URL", "redis://localhost:6379/2") %>
+  redis_url: "redis://localhost:6379/1"
 
 production:
   <<: *default
-  redis_url: <%= ENV.fetch("REDIS_URL", "redis://localhost:6379/1") %>
diff --git a/config/cable.yml b/config/cable.yml
index ed9318b..8a279ad 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -1,4 +1,6 @@
-# List of available adapters: async, any_cable
+# Make it possible to switch adapters by passing the CABLE_ADAPTER env variable.
+# For example, you can use it fallback to the standard Action Cable in staging/review
+# environments (by setting `CABLE_ADAPTER=redis`).
 development:
   adapter: <%= ENV.fetch("CABLE_ADAPTER", "any_cable") %>
 
@@ -7,4 +9,3 @@ test:
 
 production:
   adapter: <%= ENV.fetch("CABLE_ADAPTER", "any_cable") %>
-  channel_prefix: evil_chat_production
diff --git a/config/environments/development.rb b/config/environments/development.rb
index fac6855..9407425 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -54,6 +54,6 @@
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
 
-  # Specify AnyCable WebSocket server URL to make JS client connect to it
+  # Specify AnyCable WebSocket server URL to use by JS client
   config.action_cable.url = ENV.fetch("CABLE_URL", "ws://localhost:3334/cable").presence
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 8c653ba..d0bdb2d 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -37,7 +37,7 @@
   # Mount Action Cable outside main process or domain
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
-  # Specify AnyCable WebSocket server URL to make JS client connect to it
+  # Specify AnyCable WebSocket server URL to use by JS client
   config.action_cable.url = ENV["CABLE_URL"].presence
   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 753fa54..ee98a08 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -34,7 +34,9 @@ services:
       EDITOR: vim
       RAILS_ENV: ${RAILS_ENV:-development}
       DATABASE_URL: postgres://postgres:postgres@postgres:5432
-      REDIS_URL: redis://redis:6379/
+      REDIS_URL: redis://redis:6379/0
+      ANYCABLE_REDIS_URL: redis://redis:6379/0
+      ANYCABLE_RPC_HOST: 0.0.0.0:50051
       WEBPACKER_DEV_SERVER_HOST: webpacker
       DISABLE_SPRING: 1
     depends_on:
@@ -79,7 +81,7 @@ services:
       - '3334:3334'
     environment:
       PORT: 3334
-      REDIS_URL: redis://redis:6379/0
+      ANYCABLE_REDIS_URL: redis://redis:6379/0
       ANYCABLE_RPC_HOST: anycable-rpc:50051
     depends_on:
       - anycable-rpc

From c24f4ea4790e696dc7e7b230f56381d6d146c293 Mon Sep 17 00:00:00 2001
From: Misha Merkushin <merkushin.m.s@gmail.com>
Date: Fri, 8 Nov 2019 15:25:27 +0300
Subject: [PATCH 14/14] feat: use session in anycable

---
 Gemfile                                      |  2 +-
 Gemfile.lock                                 | 18 ++++++++++++------
 app/channels/application_cable/connection.rb |  6 ------
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/Gemfile b/Gemfile
index f5c7efa..33b625a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem 'redis', '~> 4.0'
 # gem 'bcrypt', '~> 3.1.7'
 
 # Efficient ActionCable replacement to use web-sockets
-gem 'anycable-rails', '~> 0.6'
+gem 'anycable-rails', '~> 0.6', github: "anycable/anycable-rails", branch: "feature/rack-middleware"
 
 # Use ActiveStorage variant
 # gem 'mini_magick', '~> 4.8'
diff --git a/Gemfile.lock b/Gemfile.lock
index e69c583..984f58b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,12 @@
+GIT
+  remote: https://github.com/anycable/anycable-rails.git
+  revision: 59ebcbf9033725637b08dee5cbd5e26891dfc354
+  branch: feature/rack-middleware
+  specs:
+    anycable-rails (0.6.4)
+      anycable (~> 0.6.0)
+      rails (>= 5)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -45,9 +54,6 @@ GEM
     anycable (0.6.3)
       anyway_config (~> 1.4.2)
       grpc (~> 1.17)
-    anycable-rails (0.6.4)
-      anycable (~> 0.6.0)
-      rails (>= 5)
     anyway_config (1.4.4)
     arel (9.0.0)
     bindex (0.8.1)
@@ -62,10 +68,10 @@ GEM
     ffi (1.11.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    google-protobuf (3.9.2)
+    google-protobuf (3.10.1)
     googleapis-common-protos-types (1.0.4)
       google-protobuf (~> 3.0)
-    grpc (1.24.0)
+    grpc (1.25.0)
       google-protobuf (~> 3.8)
       googleapis-common-protos-types (~> 1.0)
     i18n (1.6.0)
@@ -166,7 +172,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  anycable-rails (~> 0.6)
+  anycable-rails (~> 0.6)!
   bootsnap (>= 1.1.0)
   byebug
   jbuilder (~> 2.5)
diff --git a/app/channels/application_cable/connection.rb b/app/channels/application_cable/connection.rb
index dd3583a..181bb61 100644
--- a/app/channels/application_cable/connection.rb
+++ b/app/channels/application_cable/connection.rb
@@ -6,11 +6,5 @@ def connect
       self.current_user = session.fetch("username", nil)
       reject_unauthorized_connection unless current_user
     end
-
-    # By default we don't have access to the session object
-    # https://edgeguides.rubyonrails.org/action_cable_overview.html#notes
-    def session
-      cookies.encrypted[Rails.application.config.session_options[:key]] || {}
-    end
   end
 end