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Djangoプロジェクト(DRF)を作るとき最初にやること

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Djangoプロジェクトを作るたびに初期設定が面倒だなぁと思いながらやるため忘れても良いようにメモっておきます。

仮想環境の作成

pyenv virtualenv 3.9.16 env_name
pyenv local env_name

必要なもののinstall

pip install djangorestframework
pip install django-environ
pip install psycopg2

プロジェクトの作成

django-admin startproject project_name .

※project_nameにはハイフン(-)は使えない。

アプリの作成

python manage.py startapp app_name

DB設定の変更 (settings.py)

# 追加
import environ
import os

# 追加
env = environ.Env()
env.read_env(".env")

以下略

# 編集
DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.postgresql_psycopg2",
        "NAME": env("DB_NAME"),
        "USER": env("DB_USERNAME"),
        "PASSWORD": env("DB_PASS"),
        "HOST": env("DB_HOST"),
        "PORT": "",
        "TEST": {
            "NAME": 'test_hogehoge',
        }
    }
}

INSTALLED_APPSの追加

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'app_name',
]

モデル定義

よしなに。

DB設定(postgre)

psql postgres
CREATE DATABASE db_name;
CREATE ROLE db_user_name WITH LOGIN PASSWORD 'hogehoge';

.env設定

export DB_HOST=localhost
export DB_PASS='hogehoge'
export DB_USERNAME=db_user_name
export DB_NAME=db_name

makemigrasions実行

python manage.py makemigrations

makemigrationsが通れば最低限の設定ができたといえる(と思う)

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