Django applicationni herokuga deploy qilish

Bo'limlar

1. Django applicationni herokuga deploy qilish
2. Muhitni sozlash
3. settings.py faylida o'zgartirishlar
4. Gitignore faylida o'zgartirishlar
5. Procfile fayli
6. requirements.txt fayli
7. Heroku deploy qismi

Django applicationni herokuga deploy qilish

1. Muhitni sozlash
2. settings.py faylida o'zgartirishlar
3. Procfile fayli
4. requirements.txt fayli
5. Heroku deploy qismi

Muhitni sozlash

1. Heroku uchun account ochish saytga kirib account ochish uchun bu yerga bosing.
2. Heroku CLI ni o'rnatish Heroku CLI saytida ko'rsatilgan qo'llanma bo'yicha o'rnatishni bajarish kerak.
3. Heroku CLI ni ishga tushirish terminalga heroku login yozib enter tugmasini bosing.
4. Heroku CLI ni tekshirish terminalga heroku --version yozib enter tugmasini bosing.

requirements.txt fayli

Kerakli paketlar

1. django
2. gunicorn
3. psycopg2-binary
4. whitenoise
5. dj-database-url
6. environs

Paketlarni o'rnatish uchun terminalga pip install django gunicorn psycopg2-binary whitenoise dj-database-url environs yozib enter tugmasini bosing. yoki pip install -r requirements.txt yozib enter tugmasini bosing.

settings.py faylida o'zgartirishlar

whitenoise uchun o'zgartirishlar

MIDDLEWARE = [
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    ...
]

STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'

INSTALLED_APPS = [
    'whitenoise.runserver_nostatic',
    ...
]

Asosiy o'zgarishlar:

environment variable larini o'qish uchun environs paketini import qilib olamiz.

from environs import Env

env = Env()
env.read_env()

Rasmi:

1. DEBUG = env.bool('DJANGO_DEBUG', default=False)
2. ALLOWED_HOSTS = env.list('DJANGO_ALLOWED_HOSTS', default=['*'])
3. STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
4. SECRET_KEY = env.str('SECRET_KEY')
5. DATABASES = {
    'default': env.dj_database_url('DATABASE_URL', default='sqlite:///db.sqlite3')
}
6. STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
7. INSTALLED_APPS = [
    'whitenoise.runserver_nostatic',
    ...
]
8. MIDDLEWARE = [
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    ...
]
9. STATICFILES_DIRS = [
    os.path.join(BASE_DIR, 'static')
]

Procfile fayli

Procfile faylida web: gunicorn config.wsgi --log-file - yozib saqlang. config.wsgi fayl nomi sizning proyekt nomingiz bo'lishi kerak.

Gitignore

.gitignore faylida yaratib unga quyidagi qatorlarni qo'shing:

.env
*.pyc
__pycache__
env
db.sqlite3

Heroku deploy qismi

1. Heroku uchun app ochish terminalga heroku create <proyekt_nomi>ni yozib enter tugmasini bosing. proyekt_nomi sizning proyekt nomingiz bo'lishi kerak.
2. Gitni initsializatsiya qilish va commit qilish terminalga git initni yozib enter tugmasini bosing. git add .ni yozib enter tugmasini bosing. git commit -m "first commit"ni yozib enter tugmasini bosing. heroku uchun remote qo'shish uchun heroku git:remote -a <proyekt_nomi>ni yozib enter tugmasini bosing. proyekt_nomi sizning proyekt nomingiz bo'lishi kerak.
3. Proyekt uchun database ochish terminalga heroku addons:create heroku-postgresql:hobby-devni yozib enter tugmasini bosing. Bu sizga database urlni beradi. hobby-dev tekin database uchun.
4. DISABLE_COLLECTSTATIC=1 ni qo'shish terminalga heroku config:set DISABLE_COLLECTSTATIC=1ni yozib enter tugmasini bosing.
5. Heroku ga deploy qilish terminalga git push heroku masterni yozib enter tugmasini bosing. Ko'p hollarda sizga error chiqadi. Bu errorni to'g'rilash uchun terminalga heroku logs --tailni yozib enter tugmasini bosing. Bu sizga error haqida ma'lumot beradi.
6. Proyekt muvaffaqiyatli deploy qilingandan keyin dyno o'rnatamiz. terminalga heroku ps:scale web=1ni yozib enter tugmasini bosing.
7. Migratsiya qilish terminalga heroku run python manage.py migrateni yozib enter tugmasini bosing.
8. Superuser yaratish terminalga heroku run python manage.py createsuperuserni yozib enter tugmasini bosing. username, email, passwordni kiriting.

Heroku uchun static fayllar

1. Heroku uchun static fayllar terminalga heroku run python manage.py collectstaticni yozib enter tugmasini bosing.