今天我們要發布網站到 Heroku，第一步就是要先註冊一個 Heroku 帳號：

註冊 Heroku 帳號

點開這個網址：https://signup.heroku.com/login

• First name：名字
• Last name：姓氏
• Email Address：信箱
• Role：職業
• Primary Development Language：主要開發語言

除了信箱之外，其他的都沒有很重要，怕亂填會出問題的話就抄我的。填好之後就按 CREATE FREE ACCOUNT。

他說：「請去收信，謝謝」，這個步驟是為了確認你真的有你所填的信箱。

這裡點一下信中的超連結：

這裡要輸入兩次密碼，密碼最少要 8 個字，輸入完之後按下 SET PASSWORD AND LOG IN。

他說：「歡迎光臨」，這裡點一下 CLICK HERE TO PROCEED。

這是平常登入會看到的畫面，他提供了各種教學，不過不用看他的，看我的就好。

我們平常不會透過這個後台去操作他，我們會使用 Heroku 提供的 Heroku CLI 來操作他。

安裝 Heroku CLI

點開這個網址：https://devcenter.heroku.com/articles/heroku-cli#windows

然後點 64-bit 下載安裝檔，下載後點開。

這邊直接點 Next。

點 Next。

安裝完成！點 Close。

然後什麼事也沒發生。所以我們剛剛安裝了什麼？

試用 Heroku CLI

開啟一個小黑框，輸入 heroku。

如果你沒有看到這個畫面，那表示你可能在安裝的過程中遭遇到一些問題。或許可以考慮下載 32-bit 的安裝檔重裝一次看看。

這裡是指令教學，跟卡米狗教學差不多，不過不用看他的，看我的就好。

輸入 heroku login 作登入：

他說：「請輸入信箱：」

他說：「請輸入密碼：」

他說：「登入成功。」

heroku 的初始設定到這裡就算完成了，接下來我們安裝 Git。

安裝 Git

點開這個網址：https://git-scm.com/download/win，沒意外的話點開就已經自動下載了。

要開始安裝了，安裝流程很長，注意看我選什麼，跟著選就對了。

這是填安裝路徑，沒事不要亂改。

跟 Heroku 一樣，這個安裝好之後要到小黑框才能用。

試用 Git

開啟一個小黑框，輸入 git。

如果你沒有看到上面的畫面，那表示你可能在安裝的過程中遭遇到一些問題。遇到問題的話請截圖留言。 #在我的電腦上是好的

到這裡 git 就安裝完成了。

設定 git 作者資訊

git 是一套支援多人協作的軟體，因此他需要紀錄每次存檔的作者資訊。

設定作者名稱的方法是在小黑框裡輸入以下指令：

git config --global user.name "etrex kuo"

其中 etrex kuo 是我的名字，你應該把他改成你的名字。

設定信箱的方法是在小黑框裡輸入以下指令：

git config --global user.email "kamigo.service@gmail.com"

專案的 git 初始設定

我們會使用小黑框來上傳程式，先開一個在專案目錄下的小黑框，然後輸入 git init。

你可能會看到：

D:\只要有心，人人都可以作卡米狗\ironman>git init
Initialized empty Git repository in D:/只要有心，人人都可以作卡米狗/ironman/.git/

或者看到：

D:\只要有心，人人都可以作卡米狗\ironman>git init
Reinitialized existing Git repository in D:/只要有心，人人都可以作卡米狗/ironman/.git/

看到這兩個其中一個都是正常現象，都沒關係，看到其他的就見鬼啦。

專案的 heroku 初始設定

我們要在 heroku 建立一台新的網頁伺服器，輸入的指令是 heroku create + 專案名稱，這個名稱要夠特殊，要不然會跟別人撞名。

我選的專案名稱是 people-all-love-kamigo，所以我輸入 heroku create people-all-love-kamigo。

D:\只要有心，人人都可以作卡米狗\ironman>heroku create people-all-love-kamigo
Creating people-all-love-kamigo... done
https://people-all-love-kamigo.herokuapp.com/ | https://git.heroku.com/people-all-love-kamigo.git

D:\只要有心，人人都可以作卡米狗\ironman>

建立好之後回到 heroku 的後台(https://dashboard.heroku.com/apps)上你會看到一個 app：

在 heroku 上面網頁伺服器被稱為 app，這就是我們剛剛建立的網頁伺服器。

上傳程式碼到 Heroku

我們要使用 git 來上傳程式碼，而 git 是一款非常強大的版本控管軟體，擁有非常多的功能。但我們要上傳程式碼只需要學習其中的 3 個指令。

• git add
• git commit
• git push

一個個來，首先是 git add，git add 可以指定這次想要加入控管的檔案，我們輸入 git add .，表示我們想把所有的檔案都加入控管。

D:\只要有心，人人都可以作卡米狗\ironman>git add .
warning: LF will be replaced by CRLF in .gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in Gemfile.
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D:\只要有心，人人都可以作卡米狗\ironman>

一堆訊息但不是很重要，他說：「我把 windows 的換行符號改成別種系統的換行符號了哦。」

接下來是 git commit， git commit 表示我們想要建立一個新的版本，我們要留下一些紀錄說明這個版本作了什麼變更，因為是第一次，所以我們輸入 git commit -m init。

D:\只要有心，人人都可以作卡米狗\ironman>git commit -m init
[master (root-commit) 8c48959] init
 76 files changed, 1203 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Gemfile
 create mode 100644 Gemfile.lock
 create mode 100644 README.md
 create mode 100644 Rakefile
 create mode 100644 app/assets/config/manifest.js
 create mode 100644 app/assets/images/.keep
 create mode 100644 app/assets/javascripts/application.js
 create mode 100644 app/assets/javascripts/cable.js
 create mode 100644 app/assets/javascripts/channels/.keep
 create mode 100644 app/assets/stylesheets/application.css
 create mode 100644 app/channels/application_cable/channel.rb
 create mode 100644 app/channels/application_cable/connection.rb
 create mode 100644 app/controllers/application_controller.rb
 create mode 100644 app/controllers/concerns/.keep
 create mode 100644 app/controllers/kamigo_controller.rb
 create mode 100644 app/helpers/application_helper.rb
 create mode 100644 app/jobs/application_job.rb
 create mode 100644 app/mailers/application_mailer.rb
 create mode 100644 app/models/application_record.rb
 create mode 100644 app/models/concerns/.keep
 create mode 100644 app/views/kamigo/eat.html
 create mode 100644 app/views/layouts/application.html.erb
 create mode 100644 app/views/layouts/mailer.html.erb
 create mode 100644 app/views/layouts/mailer.text.erb
 create mode 100644 bin/bundle
 create mode 100644 bin/rails
 create mode 100644 bin/rake
 create mode 100644 bin/setup
 create mode 100644 bin/update
 create mode 100644 bin/yarn
 create mode 100644 config.ru
 create mode 100644 config/application.rb
 create mode 100644 config/boot.rb
 create mode 100644 config/cable.yml
 create mode 100644 config/database.yml
 create mode 100644 config/environment.rb
 create mode 100644 config/environments/development.rb
 create mode 100644 config/environments/production.rb
 create mode 100644 config/environments/test.rb
 create mode 100644 config/initializers/application_controller_renderer.rb
 create mode 100644 config/initializers/assets.rb
 create mode 100644 config/initializers/backtrace_silencers.rb
 create mode 100644 config/initializers/cookies_serializer.rb
 create mode 100644 config/initializers/filter_parameter_logging.rb
 create mode 100644 config/initializers/inflections.rb
 create mode 100644 config/initializers/mime_types.rb
 create mode 100644 config/initializers/wrap_parameters.rb
 create mode 100644 config/locales/en.yml
 create mode 100644 config/puma.rb
 create mode 100644 config/routes.rb
 create mode 100644 config/secrets.yml
 create mode 100644 db/seeds.rb
 create mode 100644 lib/assets/.keep
 create mode 100644 lib/tasks/.keep
 create mode 100644 log/.keep
 create mode 100644 package.json
 create mode 100644 public/404.html
 create mode 100644 public/422.html
 create mode 100644 public/500.html
 create mode 100644 public/apple-touch-icon-precomposed.png
 create mode 100644 public/apple-touch-icon.png
 create mode 100644 public/favicon.ico
 create mode 100644 public/robots.txt
 create mode 100644 test/application_system_test_case.rb
 create mode 100644 test/controllers/.keep
 create mode 100644 test/fixtures/.keep
 create mode 100644 test/fixtures/files/.keep
 create mode 100644 test/helpers/.keep
 create mode 100644 test/integration/.keep
 create mode 100644 test/mailers/.keep
 create mode 100644 test/models/.keep
 create mode 100644 test/system/.keep
 create mode 100644 test/test_helper.rb
 create mode 100644 tmp/.keep
 create mode 100644 vendor/.keep

D:\只要有心，人人都可以作卡米狗\ironman>

一樣一堆訊息，他說：「這次建立的版本新增了這些檔案哦。」

「好哦～好哦～」

接下來是 git push，git push 可以把我們建立好的版本，傳送到遠端的 git server，當然我們是要傳送到 heroku，所以我們輸入的是 git push heroku master。

D:\只要有心，人人都可以作卡米狗\ironman>git push heroku master
Counting objects: 85, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (70/70), done.
Writing objects: 100% (85/85), 20.55 KiB | 1.28 MiB/s, done.
Total 85 (delta 2), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote:  !     Warning: Multiple default buildpacks reported the ability to handle this app. The first buildpack in the list below will be used.
remote:                         Detected buildpacks: Ruby,Node.js
remote:                         See https://devcenter.heroku.com/articles/buildpacks#buildpack-detect-order
remote: -----> Ruby app detected
remote: -----> Compiling Ruby/Rails
remote: -----> Using Ruby version: ruby-2.3.4
remote: ###### WARNING:
remote:        Removing `Gemfile.lock` because it was generated on Windows.
remote:        Bundler will do a full resolve so native gems are handled properly.
remote:        This may result in unexpected gem versions being used in your app.
remote:        In rare occasions Bundler may not be able to resolve your dependencies at all.
remote:        https://devcenter.heroku.com/articles/bundler-windows-gemfile
remote:
remote: -----> Installing dependencies using bundler 1.15.2
remote:        Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4
remote:        The dependency tzinfo-data (>= 0) will be unused by any of the platforms Bundler is installing for. Bundler is installing for ruby but the dependency is only for x86-mingw32, x86-mswin32, x64-mingw32, java. To add those platforms to the bundle, run `bundle lock --add-platform x86-mingw32 x86-mswin32 x64-mingw32 java`.
remote:        Fetching gem metadata from https://rubygems.org/..........
remote:        Fetching version metadata from https://rubygems.org/..
remote:        Fetching dependency metadata from https://rubygems.org/.
remote:        Resolving dependencies...
remote:        Fetching rake 12.3.0
remote:        Fetching concurrent-ruby 1.0.5
remote:        Fetching minitest 5.11.1
remote:        Installing minitest 5.11.1
remote:        Installing rake 12.3.0
remote:        Installing concurrent-ruby 1.0.5
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remote:        Installing rack 2.0.3
remote:        Installing nio4r 2.2.0 with native extensions
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remote:        Installing activesupport 5.1.4
remote:        Fetching rb-inotify 0.9.10
remote:        Installing rb-inotify 0.9.10
remote:        Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
remote:        current directory:
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/gems/sqlite3-1.3.13/ext/sqlite3
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/ruby-2.3.4/bin/ruby -r
remote:        ./siteconf20180106-281-1k06dok.rb extconf.rb
remote:        checking for sqlite3.h... no
remote:        sqlite3.h is missing. Try 'brew install sqlite3',
remote:        'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
remote:        and check your shared library search path (the
remote:        location where your sqlite3 shared library is located).
remote:        *** extconf.rb failed ***
remote:        Could not create Makefile due to some reason, probably lack of necessary
remote:        libraries and/or headers.  Check the mkmf.log file for more details.  You may
remote:        need configuration options.
remote:        Provided configuration options:
remote:        --with-opt-dir
remote:        --without-opt-dir
remote:        --with-opt-include
remote:        --without-opt-include=${opt-dir}/include
remote:        --with-opt-lib
remote:        --without-opt-lib=${opt-dir}/lib
remote:        --with-make-prog
remote:        --without-make-prog
remote:        --srcdir=.
remote:        --curdir
remote:        --ruby=/tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/ruby-2.3.4/bin/$(RUBY_BASE_NAME)
remote:        --with-sqlite3-config
remote:        --without-sqlite3-config
remote:        --with-pkg-config
remote:        --without-pkg-config
remote:        --with-sqlite3-dir
remote:        --without-sqlite3-dir
remote:        --with-sqlite3-include
remote:        --without-sqlite3-include=${sqlite3-dir}/include
remote:        --with-sqlite3-lib
remote:        --without-sqlite3-lib=${sqlite3-dir}/lib
remote:        To see why this extension failed to compile, please check the mkmf.log which can
remote:        be found here:
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/extensions/x86_64-linux/2.3.0/sqlite3-1.3.13/mkmf.log
remote:        extconf failed, exit code 1
remote:        Gem files will remain installed in
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/gems/sqlite3-1.3.13
remote:        for inspection.
remote:        Results logged to
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/extensions/x86_64-linux/2.3.0/sqlite3-1.3.13/gem_make.out
remote:        An error occurred while installing sqlite3 (1.3.13), and Bundler cannot
remote:        continue.
remote:        Make sure that `gem install sqlite3 -v '1.3.13'` succeeds before bundling.
remote:        In Gemfile:
remote:        sqlite3
remote:        Bundler Output: The dependency tzinfo-data (>= 0) will be unused by any of the platforms Bundler is installing for. Bundler is installing for ruby but the dependency is only for x86-mingw32, x86-mswin32, x64-mingw32, java. To add those platforms to the bundle, run `bundle lock --add-platform x86-mingw32 x86-mswin32 x64-mingw32 java`.
remote:        Fetching gem metadata from https://rubygems.org/..........
remote:        Fetching version metadata from https://rubygems.org/..
remote:        Fetching dependency metadata from https://rubygems.org/.
remote:        Resolving dependencies...
remote:        Fetching rake 12.3.0
remote:        Fetching concurrent-ruby 1.0.5
remote:        Fetching minitest 5.11.1
remote:        Installing minitest 5.11.1
remote:        Installing rake 12.3.0
remote:        Installing concurrent-ruby 1.0.5
remote:        Fetching thread_safe 0.3.6
remote:        Installing thread_safe 0.3.6
remote:        Fetching builder 3.2.3
remote:        Installing builder 3.2.3
remote:        Fetching erubi 1.7.0
remote:        Fetching mini_portile2 2.3.0
remote:        Installing erubi 1.7.0
remote:        Fetching crass 1.0.3
remote:        Installing mini_portile2 2.3.0
remote:        Fetching rack 2.0.3
remote:        Installing crass 1.0.3
remote:        Fetching nio4r 2.2.0
remote:        Installing rack 2.0.3
remote:        Installing nio4r 2.2.0 with native extensions
remote:        Fetching websocket-extensions 0.1.3
remote:        Installing websocket-extensions 0.1.3
remote:        Fetching mini_mime 1.0.0
remote:        Installing mini_mime 1.0.0
remote:        Fetching arel 8.0.0
remote:        Installing arel 8.0.0
remote:        Using bundler 1.15.2
remote:        Fetching coffee-script-source 1.12.2
remote:        Fetching execjs 2.7.0
remote:        Installing execjs 2.7.0
remote:        Installing coffee-script-source 1.12.2
remote:        Fetching method_source 0.9.0
remote:        Fetching thor 0.20.0
remote:        Installing method_source 0.9.0
remote:        Installing thor 0.20.0
remote:        Fetching ffi 1.9.18
remote:        Fetching multi_json 1.12.2
remote:        Installing multi_json 1.12.2
remote:        Fetching puma 3.11.0
remote:        Installing puma 3.11.0 with native extensions
remote:        Installing ffi 1.9.18 with native extensions
remote:        Fetching rb-fsevent 0.10.2
remote:        Installing rb-fsevent 0.10.2
remote:        Fetching tilt 2.0.8
remote:        Installing tilt 2.0.8
remote:        Fetching sqlite3 1.3.13
remote:        Installing sqlite3 1.3.13 with native extensions
remote:        Fetching turbolinks-source 5.0.3
remote:        Installing turbolinks-source 5.0.3
remote:        Fetching i18n 0.9.1
remote:        Installing i18n 0.9.1
remote:        Fetching tzinfo 1.2.4
remote:        Installing tzinfo 1.2.4
remote:        Fetching nokogiri 1.8.1
remote:        Installing nokogiri 1.8.1 with native extensions
remote:        Fetching websocket-driver 0.6.5
remote:        Installing websocket-driver 0.6.5 with native extensions
remote:        Fetching mail 2.7.0
remote:        Installing mail 2.7.0
remote:        Fetching rack-test 0.8.2
remote:        Installing rack-test 0.8.2
remote:        Fetching sprockets 3.7.1
remote:        Installing sprockets 3.7.1
remote:        Fetching uglifier 4.1.2
remote:        Installing uglifier 4.1.2
remote:        Fetching coffee-script 2.4.1
remote:        Installing coffee-script 2.4.1
remote:        Fetching turbolinks 5.0.1
remote:        Installing turbolinks 5.0.1
remote:        Fetching activesupport 5.1.4
remote:        Installing activesupport 5.1.4
remote:        Fetching rb-inotify 0.9.10
remote:        Installing rb-inotify 0.9.10
remote:        Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
remote:
remote:        current directory:
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/gems/sqlite3-1.3.13/ext/sqlite3
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/ruby-2.3.4/bin/ruby -r
remote:        ./siteconf20180106-281-1k06dok.rb extconf.rb
remote:        checking for sqlite3.h... no
remote:        sqlite3.h is missing. Try 'brew install sqlite3',
remote:        'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
remote:        and check your shared library search path (the
remote:        location where your sqlite3 shared library is located).
remote:        *** extconf.rb failed ***
remote:        Could not create Makefile due to some reason, probably lack of necessary
remote:        libraries and/or headers.  Check the mkmf.log file for more details.  You may
remote:        need configuration options.
remote:
remote:        Provided configuration options:
remote:        --with-opt-dir
remote:        --without-opt-dir
remote:        --with-opt-include
remote:        --without-opt-include=${opt-dir}/include
remote:        --with-opt-lib
remote:        --without-opt-lib=${opt-dir}/lib
remote:        --with-make-prog
remote:        --without-make-prog
remote:        --srcdir=.
remote:        --curdir
remote:        --ruby=/tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/ruby-2.3.4/bin/$(RUBY_BASE_NAME)
remote:        --with-sqlite3-config
remote:        --without-sqlite3-config
remote:        --with-pkg-config
remote:        --without-pkg-config
remote:        --with-sqlite3-dir
remote:        --without-sqlite3-dir
remote:        --with-sqlite3-include
remote:        --without-sqlite3-include=${sqlite3-dir}/include
remote:        --with-sqlite3-lib
remote:        --without-sqlite3-lib=${sqlite3-dir}/lib
remote:
remote:        To see why this extension failed to compile, please check the mkmf.log which can
remote:        be found here:
remote:
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/extensions/x86_64-linux/2.3.0/sqlite3-1.3.13/mkmf.log
remote:
remote:        extconf failed, exit code 1
remote:
remote:        Gem files will remain installed in
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/gems/sqlite3-1.3.13
remote:        for inspection.
remote:        Results logged to
remote:        /tmp/build_64f38be744eeec1bbcc825497e62d9fc/vendor/bundle/ruby/2.3.0/extensions/x86_64-linux/2.3.0/sqlite3-1.3.13/gem_make.out
remote:
remote:        An error occurred while installing sqlite3 (1.3.13), and Bundler cannot
remote:        continue.
remote:        Make sure that `gem install sqlite3 -v '1.3.13'` succeeds before bundling.
remote:
remote:        In Gemfile:
remote:        sqlite3
remote:  !
remote:  !     Failed to install gems via Bundler.
remote:  !     Detected sqlite3 gem which is not supported on Heroku:
remote:  !     https://devcenter.heroku.com/articles/sqlite3
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote:
remote:  !     Push failed
remote: Verifying deploy...
remote:
remote: !       Push rejected to people-all-love-kamigo.
remote:
To https://git.heroku.com/people-all-love-kamigo.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/people-all-love-kamigo.git'

D:\只要有心，人人都可以作卡米狗\ironman>

一樣是一堆訊息，其實他這步驟作了非常多的事情，不過我們只要關注結果就好，結果就是 Push rejected, failed to compile Ruby app.，失敗惹。

失敗的原因寫在上面：

remote:        In Gemfile:
remote:        sqlite3
remote:  !
remote:  !     Failed to install gems via Bundler.
remote:  !     Detected sqlite3 gem which is not supported on Heroku:
remote:  !     https://devcenter.heroku.com/articles/sqlite3

heroku：「ㄉㄅㄑ，我不會用 sqlite3。」

今天就先到這裡，明天再講怎麼修。