HerokuにDjangoアプリをデプロイしてみた
はじめに
LINE Messaging APIを使ってBotを作ってみたいと思い、これまた以前から使ってみたかったHerokuにDjangoアプリをデプロイしてみました。
なお、Djangoは使うのも初めてで、選んだ理由は特にはありません。
基本的にUbuntu 14.04 で Django アプリケーションを Heroku にデプロイする手順 | dreamin'up4uに書いてくださった内容を試しただけです。
ただ、Herokuへアプリのgitリポジトリをpushするところでエラーが発生し、解決するのに少し苦労しました。
この記事の実行環境は下記のとおりです。
- ホストOS：Windows7 x64
- 仮想化ソフト：VirtualBox 5.0.16
- ゲストOS：Ubuntu 16.04.1 amd64
- Python：2.7.12
Django開発環境の構築
まずは開発環境を構築します。
yosuke@yosuke-vm:~$ wget -qO- https://toolbelt.heroku.com/install-ubuntu.sh | shThis script requires superuser access to install apt packages.
You will be prompted for your password by sudo.
[sudo] password for yosuke:
--2016-11-02 11:29:33-- https://toolbelt.heroku.com/apt/release.key
Resolving toolbelt.heroku.com (toolbelt.heroku.com)... 50.16.189.161, 107.20.254.176, 54.243.84.197
Connecting to toolbelt.heroku.com (toolbelt.heroku.com)|50.16.189.161|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1737 (1.7K) [application/octet-stream]
Saving to: ‘STDOUT’
- 100%[===================>] 1.70K --.-KB/s in 0s
2016-11-02 11:29:34 (256 MB/s) - written to stdout [1737/1737]
OK
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Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
fonts-lato git git-core git-man heroku javascript-common liberror-perl
libjs-jquery libruby2.3 rake ruby ruby-did-you-mean ruby-minitest
ruby-net-telnet ruby-power-assert ruby-test-unit ruby2.3
rubygems-integration
Suggested packages:
git-daemon-run | git-daemon-sysvinit git-doc git-el git-email git-gui gitk
gitweb git-arch git-cvs git-mediawiki git-svn apache2 | lighttpd | httpd ri
ruby-dev bundler
The following NEW packages will be installed:
fonts-lato git git-core git-man heroku heroku-toolbelt javascript-common
liberror-perl libjs-jquery libruby2.3 rake ruby ruby-did-you-mean
ruby-minitest ruby-net-telnet ruby-power-assert ruby-test-unit ruby2.3
rubygems-integration
0 upgraded, 19 newly installed, 0 to remove and 8 not upgraded.
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Get:10 http://jp.archive.ubuntu.com/ubuntu xenial/main amd64 ruby-power-assert all 0.2.7-1 [7,668 B]
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Get:3 http://toolbelt.heroku.com/ubuntu ./ heroku-toolbelt 3.43.13 [668 B]
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yosuke@yosuke-vm:~$ heroku -v
heroku-cli: Installing CLI... 2.92MB/22.45MB^C ! Command cancelled.
yosuke@yosuke-vm:~$ heroku version
heroku-cli: Installing CLI... 22.45MB/22.45MB
heroku-toolbelt/3.43.13 (x86_64-linux-gnu) ruby/2.3.1
heroku-cli/5.4.8-eee5ec9 (linux-amd64) go1.7.1
You have no installed plugins.
yosuke@yosuke-vm:~$ sudo apt-get install python-pip python-virtualenv libpq-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
comerr-dev krb5-multidev libexpat1-dev libgssrpc4 libkadm5clnt-mit9
libkadm5srv-mit9 libkdb5-8 libpq5 libpython-all-dev libpython-dev
libpython2.7-dev libssl-dev libssl-doc python-all python-all-dev python-dev
python-pip-whl python-pkg-resources python-setuptools python-wheel
python2.7-dev python3-virtualenv virtualenv zlib1g-dev
Suggested packages:
krb5-doc krb5-user postgresql-doc-9.5 python-setuptools-doc
The following NEW packages will be installed:
comerr-dev krb5-multidev libexpat1-dev libgssrpc4 libkadm5clnt-mit9
libkadm5srv-mit9 libkdb5-8 libpq-dev libpq5 libpython-all-dev libpython-dev
libpython2.7-dev libssl-dev libssl-doc python-all python-all-dev python-dev
python-pip python-pip-whl python-pkg-resources python-setuptools
python-virtualenv python-wheel python2.7-dev python3-virtualenv virtualenv
zlib1g-dev
0 upgraded, 27 newly installed, 0 to remove and 8 not upgraded.
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Setting up python-pip (8.1.1-2ubuntu0.2) ...
Setting up python-pkg-resources (20.7.0-1) ...
Setting up python-setuptools (20.7.0-1) ...
Setting up python-virtualenv (15.0.1+ds-3) ...
Setting up python-wheel (0.29.0-1) ...
Setting up python3-virtualenv (15.0.1+ds-3) ...
Setting up virtualenv (15.0.1+ds-3) ...
Processing triggers for libc-bin (2.23-0ubuntu4) ...
yosuke@yosuke-vm:~$
yosuke@yosuke-vm:~$ mkdir hellodjango && cd hellodjango
yosuke@yosuke-vm:~/hellodjango$ virtualenv venv
Running virtualenv with interpreter /usr/bin/python2
New python executable in /home/yosuke/hellodjango/venv/bin/python2
Also creating executable in /home/yosuke/hellodjango/venv/bin/python
Installing setuptools, pkg_resources, pip, wheel...done.
yosuke@yosuke-vm:~/hellodjango$ ls -l
total 4
drwxrwxr-x 7 yosuke yosuke 4096 11月 2 11:33 venv
yosuke@yosuke-vm:~/hellodjango$ source venv/bin/activate
(venv) yosuke@yosuke-vm:~/hellodjango$ pip install django-toolbelt
Collecting django-toolbelt
Downloading django-toolbelt-0.0.1.tar.gz
Collecting django (from django-toolbelt)
Downloading Django-1.10.3-py2.py3-none-any.whl (6.8MB)
100% |████████████████████████████████| 6.8MB 67kB/s
Collecting psycopg2 (from django-toolbelt)
Downloading psycopg2-2.6.2.tar.gz (376kB)
100% |████████████████████████████████| 378kB 537kB/s
Collecting gunicorn (from django-toolbelt)
Downloading gunicorn-19.6.0-py2.py3-none-any.whl (114kB)
100% |████████████████████████████████| 122kB 1.3MB/s
Collecting dj-database-url (from django-toolbelt)
Downloading dj-database-url-0.4.1.tar.gz
Collecting dj-static (from django-toolbelt)
Downloading dj-static-0.0.6.tar.gz
Collecting static3 (from dj-static->django-toolbelt)
Downloading static3-0.7.0.tar.gz
Building wheels for collected packages: django-toolbelt, psycopg2, dj-database-url, dj-static, static3
Running setup.py bdist_wheel for django-toolbelt ... done
Stored in directory: /home/yosuke/.cache/pip/wheels/28/50/35/d9bfc969dc1266fd9c38cd57472e67626b968e5e469780af0a
Running setup.py bdist_wheel for psycopg2 ... done
Stored in directory: /home/yosuke/.cache/pip/wheels/49/47/2a/5c3f874990ce267228c2dfe7a0589f3b0651aa590e329ad382
Running setup.py bdist_wheel for dj-database-url ... done
Stored in directory: /home/yosuke/.cache/pip/wheels/a6/ee/0b/fa5aa1269e9e877fc925294ecd7752e9265f42ee18d38c37dd
Running setup.py bdist_wheel for dj-static ... done
Stored in directory: /home/yosuke/.cache/pip/wheels/b1/84/4e/fb5706a7cfa7603abc69cc5343b4c3da7f6495f2362e7341cb
Running setup.py bdist_wheel for static3 ... done
Stored in directory: /home/yosuke/.cache/pip/wheels/3b/36/04/bb7140607a5fc479d180ba4eff9ed11fe141588eb24d562c60
Successfully built django-toolbelt psycopg2 dj-database-url dj-static static3
Installing collected packages: django, psycopg2, gunicorn, dj-database-url, static3, dj-static, django-toolbelt
Successfully installed dj-database-url-0.4.1 dj-static-0.0.6 django-1.10.3 django-toolbelt-0.0.1 gunicorn-19.6.0 psycopg2-2.6.2 static3-0.7.0
(venv) yosuke@yosuke-vm:~/hellodjango$ pip list
dj-database-url (0.4.1)
dj-static (0.0.6)
Django (1.10.3)
django-toolbelt (0.0.1)
gunicorn (19.6.0)
pip (8.1.2)
pkg-resources (0.0.0)
psycopg2 (2.6.2)
setuptools (28.7.1)
static3 (0.7.0)
wheel (0.30.0a0)
(venv) yosuke@yosuke-vm:~/hellodjango$
Djangoプロジェクトの作成
Djangoプロジェクトを作成し、gitリポジトリへ登録します。
(venv) yosuke@yosuke-vm:~/hellodjango$ django-admin.py startproject hellodjango . (venv) yosuke@yosuke-vm:~/hellodjango$ ls -l total 12 drwxrwxr-x 2 yosuke yosuke 4096 11月 2 11:34 hellodjango -rwxrwxr-x 1 yosuke yosuke 809 11月 2 11:34 manage.py drwxrwxr-x 7 yosuke yosuke 4096 11月 2 11:33 venv (venv) yosuke@yosuke-vm:~/hellodjango$ echo 'web: gunicorn hellodjango.wsgi --log-file -' | tee Procfile web: gunicorn hellodjango.wsgi --log-file - (venv) yosuke@yosuke-vm:~/hellodjango$
foreman startでローカルサーバを起動しようとしたら、foremanが無いといわれてしまいました。
これはgemでインストールできました。
(venv) yosuke@yosuke-vm:~/hellodjango$ foreman start
The program 'foreman' is currently not installed. You can install it by typing:
sudo apt install ruby-foreman
(venv) yosuke@yosuke-vm:~/hellodjango$ gem install foreman
Fetching: thor-0.19.1.gem (100%)
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /var/lib/gems/2.3.0 directory.
(venv) yosuke@yosuke-vm:~/hellodjango$ sudo gem install foreman
[sudo] password for yosuke:
Fetching: thor-0.19.1.gem (100%)
Successfully installed thor-0.19.1
Fetching: foreman-0.82.0.gem (100%)
Successfully installed foreman-0.82.0
Parsing documentation for thor-0.19.1
Installing ri documentation for thor-0.19.1
Parsing documentation for foreman-0.82.0
Installing ri documentation for foreman-0.82.0
Done installing documentation for thor, foreman after 1 seconds
2 gems installed
(venv) yosuke@yosuke-vm:~/hellodjango$ 今度こそ、ローカルサーバを実行します。
起動したら、localhost:5000をWebブラウザで開き、動作しているかを確認します。
(venv) yosuke@yosuke-vm:~/hellodjango$ foreman start 11:47:45 web.1 | started with pid 24188 11:47:46 web.1 | [2016-11-02 11:47:46 +0000] [24188] [INFO] Starting gunicorn 19.6.0 11:47:46 web.1 | [2016-11-02 11:47:46 +0000] [24188] [INFO] Listening at: http://0.0.0.0:5000 (24188) 11:47:46 web.1 | [2016-11-02 11:47:46 +0000] [24188] [INFO] Using worker: sync 11:47:46 web.1 | [2016-11-02 11:47:46 +0000] [24194] [INFO] Booting worker with pid: 24194 11:48:18 web.1 | Not Found: /favicon.ico 11:48:18 web.1 | Not Found: /favicon.ico ^Z [1]+ Stopped foreman start (venv) yosuke@yosuke-vm:~/hellodjango$ bg [1]+ foreman start & (venv) yosuke@yosuke-vm:~/hellodjango$ 11:48:57 web.1 | [2016-11-02 11:48:57 +0000] [24188] [CRITICAL] WORKER TIMEOUT (pid:24194) 11:48:57 web.1 | [2016-11-02 11:48:57 +0000] [24351] [INFO] Booting worker with pid: 24351 fg foreman start ^C11:49:18 system | SIGINT received, starting shutdown 11:49:18 web.1 | [2016-11-02 11:49:18 +0000] [24188] [INFO] Handling signal: int 11:49:18 system | sending SIGTERM to all processes 11:49:18 web.1 | [2016-11-02 02:49:18 +0000] [24351] [INFO] Worker exiting (pid: 24351) 11:49:18 web.1 | [2016-11-02 11:49:18 +0000] [24188] [INFO] Shutting down: Master 11:49:18 web.1 | exited with code 0 (venv) yosuke@yosuke-vm:~/hellodjango$
pip freezeコマンドで使用したライブラリを設定ファイル(requirements.txt)に出力します。
(venv) yosuke@yosuke-vm:~/hellodjango$ pip freeze > requirements.txt
gitリポジトリの設定をします（個人設定の内容は[]で記載しています）。
(venv) yosuke@yosuke-vm:~/hellodjango$ cat << EOF > .gitignore > venv > *.pyc > staticfiles > EOF (venv) yosuke@yosuke-vm:~/hellodjango$ cat .gitignore venv *.pyc staticfiles (venv) yosuke@yosuke-vm:~/hellodjango$ git config --global user.email "[メールアドレス]" (venv) yosuke@yosuke-vm:~/hellodjango$ git config --global user.name "[名前]" (venv) yosuke@yosuke-vm:~/hellodjango$ git init Initialized empty Git repository in /home/yosuke/hellodjango/.git/ (venv) yosuke@yosuke-vm:~/hellodjango$ git add . (venv) yosuke@yosuke-vm:~/hellodjango$ git commit -m "my django app" [master (root-commit) e073893] my django app 8 files changed, 191 insertions(+) create mode 100644 .gitignore create mode 100644 Procfile create mode 100644 hellodjango/__init__.py create mode 100644 hellodjango/settings.py create mode 100644 hellodjango/urls.py create mode 100644 hellodjango/wsgi.py create mode 100755 manage.py create mode 100644 requirements.txt (venv) yosuke@yosuke-vm:~/hellodjango$
Herokuへのgitリポジトリのpush
(venv) yosuke@yosuke-vm:~/hellodjango$ heroku create Enter your Heroku credentials. Email: [Herokuに登録したメールアドレス] Password (typing will be hidden): Logged in as [Herokuに登録したメールアドレス] Creating app... done, ⬢ shrouded-mesa-25264 https://shrouded-mesa-25264.herokuapp.com/ | https://git.heroku.com/shrouded-mesa-25264.git (venv) yosuke@yosuke-vm:~/hellodjango$
ここまできたらHerokuにリポジトリをpushします。が、エラーが発生してしまいました。
(venv) yosuke@yosuke-vm:~/hellodjango$ git push heroku master Counting objects: 11, done. Compressing objects: 100% (8/8), done. Writing objects: 100% (11/11), 2.91 KiB | 0 bytes/s, done. Total 11 (delta 0), reused 0 (delta 0) remote: Compressing source files... done. remote: Building source: remote: remote: -----> Python app detected remote: -----> Installing python-2.7.12 remote: $ pip install -r requirements.txt remote: Collecting dj-database-url==0.4.1 (from -r requirements.txt (line 1)) remote: Downloading dj-database-url-0.4.1.tar.gz remote: Collecting dj-static==0.0.6 (from -r requirements.txt (line 2)) remote: Downloading dj-static-0.0.6.tar.gz remote: Collecting Django==1.10.3 (from -r requirements.txt (line 3)) remote: Downloading Django-1.10.3-py2.py3-none-any.whl (6.8MB) remote: Collecting django-toolbelt==0.0.1 (from -r requirements.txt (line 4)) remote: Downloading django-toolbelt-0.0.1.tar.gz remote: Collecting gunicorn==19.6.0 (from -r requirements.txt (line 5)) remote: Downloading gunicorn-19.6.0-py2.py3-none-any.whl (114kB) remote: Collecting pkg-resources==0.0.0 (from -r requirements.txt (line 6)) remote: Could not find a version that satisfies the requirement pkg-resources==0.0.0 (from -r requirements.txt (line 6)) (from versions: ) remote: No matching distribution found for pkg-resources==0.0.0 (from -r requirements.txt (line 6)) remote: ! Push rejected, failed to compile Python app. remote: remote: ! Push failed remote: Verifying deploy... remote: remote: ! Push rejected to shrouded-mesa-25264. remote: To https://git.heroku.com/shrouded-mesa-25264.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to 'https://git.heroku.com/shrouded-mesa-25264.git' (venv) yosuke@yosuke-vm:~/hellodjango$
エラー内容から原因を推察し、requirements.txtのpkg-resources==0.0.0を削除しました。
commit後もう一度pushします。
(venv) yosuke@yosuke-vm:~/hellodjango$ gedit requirements.txt
(venv) yosuke@yosuke-vm:~/hellodjango$ git status
On branch master
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git checkout -- <file>..." to discard changes in working directory)
modified: requirements.txt
no changes added to commit (use "git add" and/or "git commit -a")
(venv) yosuke@yosuke-vm:~/hellodjango$ git add requirements.txt
(venv) yosuke@yosuke-vm:~/hellodjango$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
modified: requirements.txt
(venv) yosuke@yosuke-vm:~/hellodjango$ git commit -m "Edit requirements.txt"
[master 1e53405] Edit requirements.txt
1 file changed, 1 deletion(-)
(venv) yosuke@yosuke-vm:~/hellodjango$ git push heroku master
Counting objects: 14, done.
Compressing objects: 100% (11/11), done.
Writing objects: 100% (14/14), 3.13 KiB | 0 bytes/s, done.
Total 14 (delta 2), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Python app detected
remote: -----> Installing python-2.7.12
remote: $ pip install -r requirements.txt
remote: Collecting dj-database-url==0.4.1 (from -r requirements.txt (line 1))
remote: Downloading dj-database-url-0.4.1.tar.gz
remote: Collecting dj-static==0.0.6 (from -r requirements.txt (line 2))
remote: Downloading dj-static-0.0.6.tar.gz
remote: Collecting Django==1.10.3 (from -r requirements.txt (line 3))
remote: Downloading Django-1.10.3-py2.py3-none-any.whl (6.8MB)
remote: Collecting django-toolbelt==0.0.1 (from -r requirements.txt (line 4))
remote: Downloading django-toolbelt-0.0.1.tar.gz
remote: Collecting gunicorn==19.6.0 (from -r requirements.txt (line 5))
remote: Downloading gunicorn-19.6.0-py2.py3-none-any.whl (114kB)
remote: Collecting psycopg2==2.6.2 (from -r requirements.txt (line 6))
remote: Downloading psycopg2-2.6.2.tar.gz (376kB)
remote: Collecting static3==0.7.0 (from -r requirements.txt (line 7))
remote: Downloading static3-0.7.0.tar.gz
remote: Installing collected packages: dj-database-url, static3, dj-static, Django, psycopg2, gunicorn, django-toolbelt
remote: Running setup.py install for dj-database-url: started
remote: Running setup.py install for dj-database-url: finished with status 'done'
remote: Running setup.py install for static3: started
remote: Running setup.py install for static3: finished with status 'done'
remote: Running setup.py install for dj-static: started
remote: Running setup.py install for dj-static: finished with status 'done'
remote: Running setup.py install for psycopg2: started
remote: Running setup.py install for psycopg2: finished with status 'done'
remote: Running setup.py install for django-toolbelt: started
remote: Running setup.py install for django-toolbelt: finished with status 'done'
remote: Successfully installed Django-1.10.3 dj-database-url-0.4.1 dj-static-0.0.6 django-toolbelt-0.0.1 gunicorn-19.6.0 psycopg2-2.6.2 static3-0.7.0
remote:
remote: $ python manage.py collectstatic --noinput
remote: Traceback (most recent call last):
remote: File "manage.py", line 22, in <module>
remote: execute_from_command_line(sys.argv)
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 367, in execute_from_command_line
remote: utility.execute()
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 359, in execute
remote: self.fetch_command(subcommand).run_from_argv(self.argv)
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 294, in run_from_argv
remote: self.execute(*args, **cmd_options)
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 345, in execute
remote: output = self.handle(*args, **options)
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py", line 193, in handle
remote: collected = self.collect()
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py", line 124, in collect
remote: handler(path, prefixed_path, storage)
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py", line 337, in copy_file
remote: if not self.delete_file(path, prefixed_path, source_storage):
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py", line 255, in delete_file
remote: if self.storage.exists(prefixed_path):
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/core/files/storage.py", line 394, in exists
remote: return os.path.exists(self.path(name))
remote: File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/staticfiles/storage.py", line 49, in path
remote: raise ImproperlyConfigured("You're using the staticfiles app "
remote: django.core.exceptions.ImproperlyConfigured: You're using the staticfiles app without having set the STATIC_ROOT setting to a filesystem path.
remote:
remote: ! Error while running '$ python manage.py collectstatic --noinput'.
remote: See traceback above for details.
remote:
remote: You may need to update application code to resolve this error.
remote: Or, you can disable collectstatic for this application:
remote:
remote: $ heroku config:set DISABLE_COLLECTSTATIC=1
remote:
remote: https://devcenter.heroku.com/articles/django-assets
remote: ! Push rejected, failed to compile Python app.
remote:
remote: ! Push failed
remote: Verifying deploy....
remote:
remote: ! Push rejected to shrouded-mesa-25264.
remote:
To https://git.heroku.com/shrouded-mesa-25264.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/shrouded-mesa-25264.git'
(venv) yosuke@yosuke-vm:~/hellodjango$ またもエラーが発生してしまいました…(1)
調べてみたところ、settings.pyに設定を追記とherokuに対するコマンド実行が必要のようでした。
settings.pyの末尾に下記を追記
PROJECT_ROOT = os.path.dirname(os.path.abspath(__file__))
STATIC_ROOT = os.path.join(PROJECT_ROOT, 'staticfiles')
STATIC_URL = '/static/'
STATICFILES_DIRS = (
os.path.join(PROJECT_ROOT, 'static'),
)herokuに対するコマンド実行：collectstaticって？
heroku config:set DISABLE_COLLECTSTATIC=1
設定の追記とherokuコマンドの実行を行います。
(venv) yosuke@yosuke-vm:~/hellodjango$ gedit ./hellodjango/settings.py (venv) yosuke@yosuke-vm:~/hellodjango$ heroku config:set DISABLE_COLLECTSTATIC=1 Setting DISABLE_COLLECTSTATIC and restarting ⬢ shrouded-mesa-25264... done, v3 DISABLE_COLLECTSTATIC: 1 (venv) yosuke@yosuke-vm:~/hellodjango$ git status On branch master Changes not staged for commit: (use "git add <file>..." to update what will be committed) (use "git checkout -- <file>..." to discard changes in working directory) modified: hellodjango/settings.py no changes added to commit (use "git add" and/or "git commit -a") (venv) yosuke@yosuke-vm:~/hellodjango$ git add ./hellodjango/settings.py (venv) yosuke@yosuke-vm:~/hellodjango$ git commit -m "Edit settings.py" [master a7246ab] Edit settings.py 1 file changed, 9 insertions(+) (venv) yosuke@yosuke-vm:~/hellodjango$ git push heroku masterCounting objects: 18, done. Compressing objects: 100% (15/15), done. Writing objects: 100% (18/18), 3.44 KiB | 0 bytes/s, done. Total 18 (delta 5), reused 0 (delta 0) remote: Compressing source files... done. remote: Building source: remote: remote: -----> Python app detected remote: -----> Installing python-2.7.12 remote: $ pip install -r requirements.txt remote: Collecting dj-database-url==0.4.1 (from -r requirements.txt (line 1)) remote: Downloading dj-database-url-0.4.1.tar.gz remote: Collecting dj-static==0.0.6 (from -r requirements.txt (line 2)) remote: Downloading dj-static-0.0.6.tar.gz remote: Collecting Django==1.10.3 (from -r requirements.txt (line 3)) remote: Downloading Django-1.10.3-py2.py3-none-any.whl (6.8MB) remote: Collecting django-toolbelt==0.0.1 (from -r requirements.txt (line 4)) remote: Downloading django-toolbelt-0.0.1.tar.gz remote: Collecting gunicorn==19.6.0 (from -r requirements.txt (line 5)) remote: Downloading gunicorn-19.6.0-py2.py3-none-any.whl (114kB) remote: Collecting psycopg2==2.6.2 (from -r requirements.txt (line 6)) remote: Downloading psycopg2-2.6.2.tar.gz (376kB) remote: Collecting static3==0.7.0 (from -r requirements.txt (line 7)) remote: Downloading static3-0.7.0.tar.gz remote: Installing collected packages: dj-database-url, static3, dj-static, Django, psycopg2, gunicorn, django-toolbelt remote: Running setup.py install for dj-database-url: started remote: Running setup.py install for dj-database-url: finished with status 'done' remote: Running setup.py install for static3: started remote: Running setup.py install for static3: finished with status 'done' remote: Running setup.py install for dj-static: started remote: Running setup.py install for dj-static: finished with status 'done' remote: Running setup.py install for psycopg2: started remote: Running setup.py install for psycopg2: finished with status 'done' remote: Running setup.py install for django-toolbelt: started remote: Running setup.py install for django-toolbelt: finished with status 'done' remote: Successfully installed Django-1.10.3 dj-database-url-0.4.1 dj-static-0.0.6 django-toolbelt-0.0.1 gunicorn-19.6.0 psycopg2-2.6.2 static3-0.7.0 remote: remote: -----> Discovering process types remote: Procfile declares types -> web remote: remote: -----> Compressing... remote: Done: 41.9M remote: -----> Launching... remote: Released v5 remote: https://shrouded-mesa-25264.herokuapp.com/ deployed to Heroku remote: remote: Verifying deploy... done. To https://git.heroku.com/shrouded-mesa-25264.git * [new branch] master -> master (venv) yosuke@yosuke-vm:~/hellodjango$
無事pushに成功しました！
下記のコマンドでWebブラウザを起動し、アプリのページを開くことができます。
(venv) yosuke@yosuke-vm:~/hellodjango$ heroku open (venv) yosuke@yosuke-vm:~/hellodjango$
しかし、ページを表示してみるとエラーが発生しています…(2)
調べると、settings.pyに設定が足らなかったようです。
# Allow all host headers ALLOWED_HOSTS = ['*']
よくわかっていませんが、追記します。
(venv) yosuke@yosuke-vm:~/hellodjango$ gedit ./hellodjango/settings.py(venv) yosuke@yosuke-vm:~/hellodjango$ git add ./hellodjango/settings.py (venv) yosuke@yosuke-vm:~/hellodjango$ git commit -m "Edit settings.py" [master 9aca805] Edit settings.py 1 file changed, 5 insertions(+) (venv) yosuke@yosuke-vm:~/hellodjango$ git push heroku master Counting objects: 4, done. Compressing objects: 100% (4/4), done. Writing objects: 100% (4/4), 437 bytes | 0 bytes/s, done. Total 4 (delta 3), reused 0 (delta 0) remote: Compressing source files... done. remote: Building source: remote: remote: -----> Python app detected remote: $ pip install -r requirements.txt remote: remote: -----> Discovering process types remote: Procfile declares types -> web remote: remote: -----> Compressing... remote: Done: 41.9M remote: -----> Launching... remote: Released v6 remote: https://shrouded-mesa-25264.herokuapp.com/ deployed to Heroku remote: remote: Verifying deploy... done. To https://git.heroku.com/shrouded-mesa-25264.git a7246ab..9aca805 master -> master (venv) yosuke@yosuke-vm:~/hellodjango$
リポジトリのpush成功後、再度アプリのページを表示します。
TODO：後で実行できたページの画像を張る！！
これで完了です！！
さいごに
HerokuにDjangoアプリをデプロイすることができました。
色々わかっていない箇所も多いのですが、ひとまず動作させることができたので、良しとします。
参考Webページ
参考元の導入手順
Ubuntu 14.04 で Django アプリケーションを Heroku にデプロイする手順 | dreamin'up4u
foremanのインストール他
foreman で アプリケーションを動かす。 - Qiita
エラー(1)対処：settings.pyに追記した内容
PROJECT_ROOT/STATIC_ROOT/STATIC_URL/STATICFILES_DIRSの項目を追記
herokuへのDISABLE_COLLECTSTATIC=1設定
Django製apiをherokuでデプロイする（自分用メモ） - Qiita
エラー(2)対処：さらにsettings.pyに追記した内容
ALLOWED_HOSTS = ['*']を追記
python - Is ALLOWED_HOSTS needed on Heroku? - Stack Overflow
Heroku Tips
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