The process of developing two databases in a Django application using docker-compose can be broken down into the following steps:
django-admin startproject
command.settings.py
). For instance, you can define a default
database and a secondary
database..env
file. For instance, you can define POSTGRES_USER
, POSTGRES_PASSWORD
, POSTGRES_HOST
, and POSTGRES_DB
for the default
database, and SECONDARY_DB_USER
, SECONDARY_DB_PASSWORD
, SECONDARY_DB_HOST
, and SECONDARY_DB_NAME
for the secondary
database.docker-compose.yml
file that defines the two database services. For instance, you can define a db
service for the default
database and a secondary_db
service for the secondary
database.db
service, use the official PostgreSQL image from Docker Hub and set the environment variables with the values from the .env
file.secondary_db
service, use the official MySQL image from Docker Hub and set the environment variables with the values from the .env
file.web
service in the docker-compose.yml
file for the Django application. This service should use the official Python image, mount the code directory as a volume, and link to the db
and secondary_db
services.docker-compose up
command.python manage.py migrate
command.Once you have completed these steps, both databases should be accessible within your Django application. You can perform database operations on the default
database using the default django.db
package, and perform operations on the secondary
database using a custom database router that routes queries to the appropriate database based on the app or model.
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Asked: 2021-07-02 11:00:00 +0000
Seen: 13 times
Last updated: Jul 27 '21
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