A memo to create a virtual environment (venv) before Django

Create a web app using Django with python. ↑ For that purpose, first create a virtual environment. Easy 3 steps.

Procedure for creating a virtual environment

The file name of this virtual environment is ** dj_kasou **.

① Create a virtual environment

python -m venv dj_kasou

If it doesn't work on mac

python3 -m venv dj_kasou

### ② There is a virtual environment 
cd dj_kasou

### ③ Execute the virtual environment

For Mac:

source bin/activate

** Done. ** **


For Windows:

Scripts\activate

I get a ** PSSecurityException ** error, so execute the following.

Set-ExecutionPolicy RemoteSigned -Scope Process

→ Respond with the execution policy "Y" and execute it again.

Scripts\activate

** Done. ** **



After building the virtual environment, it will be repeated in and out for each work, so make a note of the following command.
Enter the virtual environment file
cd dj_kasou
Run virtual environment
source bin/activate
Enter the working directory in the virtual environment
cd NOWPROJECT
Exit virtual environment
deactivate

## Why do you need a virtual environment in the first place? Prevent troubles caused by different library versions. If you create a virtual environment, you can manage the version for each application.

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