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05.Create_Sample_VSCode.md

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title
Docker sample Container of Django with VSCode

Define the project components

  1. Create an empty project directory

  2. Create a new file called Dockerfile in your project directory.

  3. Add the following content to the Dockerfile

    # Save and close the Dockerfile
FROM python:3.7
ENV PYTHONUNBUFFERED 1
RUN mkdir /code
WORKDIR /code
COPY pip.conf /etc/pip.conf
COPY requirements.txt /code/
RUN pip install -r requirements.txt
COPY . /code/

  4. Create a requirements.txt in your project directory

    Django==3.0.7
psycopg2==2.8.4

  5. Create a pip.conf in your project directory

    [global]
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
[install]
trusted-host=mirrors.aliyun.com

  6. Create a docker-compose.yml in your project directory

    version: '3'
services:
  web:
    # build: . 执行 根目录下 dockerfile
    build: .
    command: python manage.py runserver 0.0.0.0:8000
    volumes:
      - .:/code
    ports:
      - "8000:8000"
    depends_on:
      - db

  db:
    image: postgres
    environment:
      - POSTGRES_DB=postgres
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres

Create a Django project

  1. Change to the root of your project directory
  2. Create the Django project by running the docker-compose run command as follows. docker-compose run web django-admin startproject composeexample .

Connect the database

  1. In your project directory, edit the composeexample/settings.py file.

  2. Replace the DATABASES = ... with the following:

    # setting.py

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'postgres',
        'USER': 'postgres',
        'PASSWORD': 'postgres',
        'HOST': 'db',
        'PORT': 5432,
    }
}

  3. Run the docker-compose up command from the top level directory for your project.
    docker-compose up

  4. http://localhost:8000

  5. List running containers.
    docker ps

  6. Shut down services and clean up by using either of these methods:

    • 停止应用键入 Ctrl-C

      Gracefully stopping... (press Ctrl+C again to force)
Killing test_web_1 ... done
Killing test_db_1 ... done

    • run docker-compose down

      $ docker-compose down
Stopping django_web_1 ... done
Stopping django_db_1 ... done
Removing django_web_1 ... done
Removing django_web_run_1 ... done
Removing django_db_1 ... done
Removing network django_default

dockerfile_best-practices
dev-best-practices