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Deploying DjangoBlog with Docker

This project fully supports containerized deployment using Docker, providing you with a fast, consistent, and isolated runtime environment. We recommend using docker-compose to launch the entire blog service stack with a single command.

1. Prerequisites

Before you begin, please ensure you have the following software installed on your system:

Docker Engine
Docker Compose (Included with Docker Desktop for Mac and Windows)

2. Recommended Method: Using `docker-compose` (One-Click Deployment)

This is the simplest and most recommended way to deploy. It automatically creates and manages the Django application, a MySQL database, and an optional Elasticsearch service for you.

Step 1: Start the Basic Services

From the project's root directory, run the following command:

# Build and start the containers in detached mode (includes Django app and MySQL)
docker-compose up -d --build

docker-compose will read the docker-compose.yml file, pull the necessary images, build the project image, and start all services.

Access Your Blog: Once the services are up, you can access the blog by navigating to http://127.0.0.1 in your browser.
Data Persistence: MySQL data files will be stored in the data/mysql directory within the project root, ensuring that your data persists across container restarts.

Step 2: (Optional) Enable Elasticsearch for Full-Text Search

If you want to use Elasticsearch for more powerful full-text search capabilities, you can include the docker-compose.es.yml configuration file:

# Build and start all services in detached mode (Django, MySQL, Elasticsearch)
docker-compose -f docker-compose.yml -f deploy/docker-compose/docker-compose.es.yml up -d --build

Data Persistence: Elasticsearch data will be stored in the data/elasticsearch directory.

Step 3: First-Time Initialization

After the containers start for the first time, you'll need to execute some initialization commands inside the application container.

# Get a shell inside the djangoblog application container (named 'web')
docker-compose exec web bash

# Inside the container, run the following commands:
# Create a superuser account (follow the prompts to set username, email, and password)
python manage.py createsuperuser

# (Optional) Create some test data
python manage.py create_testdata

# (Optional, if ES is enabled) Create the search index
python manage.py rebuild_index

# Exit the container
exit

3. Alternative Method: Using the Standalone Docker Image

If you already have an external MySQL database running, you can run the DjangoBlog application image by itself.

# Pull the latest image from Docker Hub
docker pull liangliangyy/djangoblog:latest

# Run the container and connect it to your external database
docker run -d \
  -p 8000:8000 \
  -e DJANGO_SECRET_KEY='your-strong-secret-key' \
  -e DJANGO_MYSQL_HOST='your-mysql-host' \
  -e DJANGO_MYSQL_USER='your-mysql-user' \
  -e DJANGO_MYSQL_PASSWORD='your-mysql-password' \
  -e DJANGO_MYSQL_DATABASE='djangoblog' \
  --name djangoblog \
  liangliangyy/djangoblog:latest

Access Your Blog: After startup, visit http://127.0.0.1:8000.
Create Superuser: docker exec -it djangoblog python manage.py createsuperuser

4. Configuration (Environment Variables)

Most of the project's configuration is managed through environment variables. You can modify them in the docker-compose.yml file or pass them using the -e flag with the docker run command.

Environment Variable	Default/Example Value	Notes
`DJANGO_SECRET_KEY`	`your-strong-secret-key`	Must be changed to a random, complex string!
`DJANGO_DEBUG`	`False`	Toggles Django's debug mode.
`DJANGO_MYSQL_HOST`	`mysql`	Database hostname.
`DJANGO_MYSQL_PORT`	`3306`	Database port.
`DJANGO_MYSQL_DATABASE`	`djangoblog`	Database name.
`DJANGO_MYSQL_USER`	`root`	Database username.
`DJANGO_MYSQL_PASSWORD`	`djangoblog_123`	Database password.
`DJANGO_REDIS_URL`	`redis:6379/0`	Redis connection URL (for caching).
`DJANGO_ELASTICSEARCH_HOST`	`elasticsearch:9200`	Elasticsearch host address.
`DJANGO_EMAIL_HOST`	`smtp.example.org`	Email server address.
`DJANGO_EMAIL_PORT`	`465`	Email server port.
`DJANGO_EMAIL_USER`	`user@example.org`	Email account username.
`DJANGO_EMAIL_PASSWORD`	`your-email-password`	Email account password.
`DJANGO_EMAIL_USE_SSL`	`True`	Whether to use SSL.
`DJANGO_EMAIL_USE_TLS`	`False`	Whether to use TLS.
`DJANGO_ADMIN_EMAIL`	`admin@example.org`	Admin email for receiving error reports.
`DJANGO_BAIDU_NOTIFY_URL`	`http://data.zz.baidu.com/...`	Push API from Baidu Webmaster Tools.

After deployment, please review and adjust these environment variables according to your needs, especially DJANGO_SECRET_KEY and the database and email settings.

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