diff --git a/django-postgres/Dockerfile b/django-postgres/Dockerfile new file mode 100644 index 0000000..fed2614 --- /dev/null +++ b/django-postgres/Dockerfile @@ -0,0 +1,16 @@ +# Pull base image +FROM python:3.8 + +# Set environment variables +ENV PYTHONDONTWRITEBYTECODE 1 +ENV PYTHONUNBUFFERED 1 + +# Set work directory +WORKDIR /code + +# Install dependencies +COPY requirements.txt /code/ +RUN pip3 install -r requirements.txt --no-cache-dir + +# Copy project +COPY . /code/ \ No newline at end of file diff --git a/django-postgres/README.md b/django-postgres/README.md new file mode 100644 index 0000000..c2e5494 --- /dev/null +++ b/django-postgres/README.md @@ -0,0 +1,83 @@ +# Compose sample application + +## Django application with PostgreSQL support + +Project structure: +``` +. +├── docker-compose.yml +├── Dockerfile +├── requirements.txt +├── manage.py +├── django_app + ├── settings.py + ├── urls.py + └── wsgi.py +``` + +[docker-compose.yml](https://github.com/docker/awesome-compose/blob/master/django-postgres/docker-compose.yml) + +```yaml +services: + web: + build: . + ports: + - 8000:8000 + depends_on: + - db + db: + image: postgres:11 + ports: + - 5432:5432 + +volumes: + postgres_data: +``` + +## Changes in Django project +To make your Django project work with PostgreSQL, you need to add the following lines to your settings.py file: +```python +DATABASES = { + 'default': { + 'ENGINE': 'django.db.backends.postgresql', + 'NAME': 'postgres', + 'USER': 'postgres', + 'PASSWORD': 'postgres', + 'HOST': 'db', + 'PORT': 5432 + } +} +``` + +## Deploy with docker-compose +``` +$ docker-compose up -d +[+] Building 27.5s (10/10) FINISHED + => [internal] load build definition from Dockerfile + => => transferring dockerfile: 340B + ... + ... + [+] Running 4/4 + ⠿ Network django-postgres_default Created 0.1s + ⠿ Volume "django-postgres_postgres_data" Created 0.0s + ⠿ Container django-postgres-db-1 Started 2.9s + ⠿ Container django-postgres-web-1 Started +``` + + +## Expected result +Listing containers must showtwo containers running and the port mapping as below: +``` +$ docker ps +CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES +9a3b782b1b5a django-postgres_web "python /code/manage…" 12 minutes ago Up 12 minutes 0.0.0.0:8000->8000/tcp django-postgres-web-1 +de27369602f3 postgres:11 "docker-entrypoint.s…" 12 minutes ago Up 12 minutes 0.0.0.0:5432->5432/tcp django-postgres-db-1 +``` + +After the application starts, navigate to ```http://localhost:8000``` in your web browser. + +To stop and remove containers, run: +``` +$ docker-compose down +``` + diff --git a/django-postgres/django_app/__init__.py b/django-postgres/django_app/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/django-postgres/django_app/__pycache__/__init__.cpython-310.pyc b/django-postgres/django_app/__pycache__/__init__.cpython-310.pyc new file mode 100644 index 0000000..90733d0 Binary files /dev/null and b/django-postgres/django_app/__pycache__/__init__.cpython-310.pyc differ diff --git a/django-postgres/django_app/__pycache__/settings.cpython-310.pyc b/django-postgres/django_app/__pycache__/settings.cpython-310.pyc new file mode 100644 index 0000000..18f481f Binary files /dev/null and b/django-postgres/django_app/__pycache__/settings.cpython-310.pyc differ diff --git a/django-postgres/django_app/__pycache__/urls.cpython-310.pyc b/django-postgres/django_app/__pycache__/urls.cpython-310.pyc new file mode 100644 index 0000000..004f028 Binary files /dev/null and b/django-postgres/django_app/__pycache__/urls.cpython-310.pyc differ diff --git a/django-postgres/django_app/__pycache__/wsgi.cpython-310.pyc b/django-postgres/django_app/__pycache__/wsgi.cpython-310.pyc new file mode 100644 index 0000000..b16520b Binary files /dev/null and b/django-postgres/django_app/__pycache__/wsgi.cpython-310.pyc differ diff --git a/django-postgres/django_app/asgi.py b/django-postgres/django_app/asgi.py new file mode 100644 index 0000000..c694e78 --- /dev/null +++ b/django-postgres/django_app/asgi.py @@ -0,0 +1,16 @@ +""" +ASGI config for django_app project. + +It exposes the ASGI callable as a module-level variable named ``application``. + +For more information on this file, see +https://docs.djangoproject.com/en/3.2/howto/deployment/asgi/ +""" + +import os + +from django.core.asgi import get_asgi_application + +os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'django_app.settings') + +application = get_asgi_application() diff --git a/django-postgres/django_app/settings.py b/django-postgres/django_app/settings.py new file mode 100644 index 0000000..4f8c3df --- /dev/null +++ b/django-postgres/django_app/settings.py @@ -0,0 +1,129 @@ +""" +Django settings for django_app project. + +Generated by 'django-admin startproject' using Django 3.2.8. + +For more information on this file, see +https://docs.djangoproject.com/en/3.2/topics/settings/ + +For the full list of settings and their values, see +https://docs.djangoproject.com/en/3.2/ref/settings/ +""" + +from pathlib import Path + +# Build paths inside the project like this: BASE_DIR / 'subdir'. +BASE_DIR = Path(__file__).resolve().parent.parent + + +# Quick-start development settings - unsuitable for production +# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/ + +# SECURITY WARNING: keep the secret key used in production secret! +SECRET_KEY = 'django-insecure-wz=lazac12szp%asf(4861lt)o3m0e$yj#1)e(%+q%o149z#-p' + +# SECURITY WARNING: don't run with debug turned on in production! +DEBUG = True + +ALLOWED_HOSTS = [] + + +# Application definition + +INSTALLED_APPS = [ + 'django.contrib.admin', + 'django.contrib.auth', + 'django.contrib.contenttypes', + 'django.contrib.sessions', + 'django.contrib.messages', + 'django.contrib.staticfiles', +] + +MIDDLEWARE = [ + 'django.middleware.security.SecurityMiddleware', + 'django.contrib.sessions.middleware.SessionMiddleware', + 'django.middleware.common.CommonMiddleware', + 'django.middleware.csrf.CsrfViewMiddleware', + 'django.contrib.auth.middleware.AuthenticationMiddleware', + 'django.contrib.messages.middleware.MessageMiddleware', + 'django.middleware.clickjacking.XFrameOptionsMiddleware', +] + +ROOT_URLCONF = 'django_app.urls' + +TEMPLATES = [ + { + 'BACKEND': 'django.template.backends.django.DjangoTemplates', + 'DIRS': [], + 'APP_DIRS': True, + 'OPTIONS': { + 'context_processors': [ + 'django.template.context_processors.debug', + 'django.template.context_processors.request', + 'django.contrib.auth.context_processors.auth', + 'django.contrib.messages.context_processors.messages', + ], + }, + }, +] + +WSGI_APPLICATION = 'django_app.wsgi.application' + + +# Database +# https://docs.djangoproject.com/en/2.2/ref/settings/#databases + +DATABASES = { + 'default': { + 'ENGINE': 'django.db.backends.postgresql', + 'NAME': 'postgres', + 'USER': 'postgres', + 'PASSWORD': 'postgres', + 'HOST': 'db', + 'PORT': 5432 + } +} + + +# Password validation +# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators + +AUTH_PASSWORD_VALIDATORS = [ + { + 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator', + }, + { + 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', + }, + { + 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator', + }, + { + 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator', + }, +] + + +# Internationalization +# https://docs.djangoproject.com/en/3.2/topics/i18n/ + +LANGUAGE_CODE = 'en-us' + +TIME_ZONE = 'UTC' + +USE_I18N = True + +USE_L10N = True + +USE_TZ = True + + +# Static files (CSS, JavaScript, Images) +# https://docs.djangoproject.com/en/3.2/howto/static-files/ + +STATIC_URL = '/static/' + +# Default primary key field type +# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field + +DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField' diff --git a/django-postgres/django_app/urls.py b/django-postgres/django_app/urls.py new file mode 100644 index 0000000..e2b61a7 --- /dev/null +++ b/django-postgres/django_app/urls.py @@ -0,0 +1,21 @@ +"""django_app URL Configuration + +The `urlpatterns` list routes URLs to views. For more information please see: + https://docs.djangoproject.com/en/3.2/topics/http/urls/ +Examples: +Function views + 1. Add an import: from my_app import views + 2. Add a URL to urlpatterns: path('', views.home, name='home') +Class-based views + 1. Add an import: from other_app.views import Home + 2. Add a URL to urlpatterns: path('', Home.as_view(), name='home') +Including another URLconf + 1. Import the include() function: from django.urls import include, path + 2. Add a URL to urlpatterns: path('blog/', include('blog.urls')) +""" +from django.contrib import admin +from django.urls import path + +urlpatterns = [ + path('admin/', admin.site.urls), +] diff --git a/django-postgres/django_app/wsgi.py b/django-postgres/django_app/wsgi.py new file mode 100644 index 0000000..d79e070 --- /dev/null +++ b/django-postgres/django_app/wsgi.py @@ -0,0 +1,16 @@ +""" +WSGI config for django_app project. + +It exposes the WSGI callable as a module-level variable named ``application``. + +For more information on this file, see +https://docs.djangoproject.com/en/3.2/howto/deployment/wsgi/ +""" + +import os + +from django.core.wsgi import get_wsgi_application + +os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'django_app.settings') + +application = get_wsgi_application() diff --git a/django-postgres/docker-compose.yml b/django-postgres/docker-compose.yml new file mode 100644 index 0000000..27bdd67 --- /dev/null +++ b/django-postgres/docker-compose.yml @@ -0,0 +1,24 @@ +version: '3.8' + +services: + web: + build: . + command: python /code/manage.py runserver 0.0.0.0:8000 # For local development +# command: gunicorn config.wsgi -b 0.0.0.0:8000 # For production + volumes: + - .:/code + ports: + - 8000:8000 + depends_on: + - db + db: + image: postgres:11 + volumes: + - postgres_data:/var/lib/postgresql/data/ + ports: + - 5432:5432 + environment: + - "POSTGRES_HOST_AUTH_METHOD=trust" + +volumes: + postgres_data: \ No newline at end of file diff --git a/django-postgres/manage.py b/django-postgres/manage.py new file mode 100644 index 0000000..dc49ae3 --- /dev/null +++ b/django-postgres/manage.py @@ -0,0 +1,22 @@ +#!/usr/bin/env python +"""Django's command-line utility for administrative tasks.""" +import os +import sys + + +def main(): + """Run administrative tasks.""" + os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'django_app.settings') + try: + from django.core.management import execute_from_command_line + except ImportError as exc: + raise ImportError( + "Couldn't import Django. Are you sure it's installed and " + "available on your PYTHONPATH environment variable? Did you " + "forget to activate a virtual environment?" + ) from exc + execute_from_command_line(sys.argv) + + +if __name__ == '__main__': + main() diff --git a/django-postgres/requirements.txt b/django-postgres/requirements.txt new file mode 100644 index 0000000..0251bb9 --- /dev/null +++ b/django-postgres/requirements.txt @@ -0,0 +1,3 @@ +Django==3.2.7 +psycopg2-binary==2.8.4 +environs==7.3.1 \ No newline at end of file