flask-docker-compose

About

Docker-Flask is about Flask project organization and running it in a docker-compose containers. Application has a basic user model with authentication(passwords hashing), database migrations, administration interface, celery asynchronous tasks, manage script, debug toolbar, bootstrap starter templates.

Application scheme

Including the followings

• Docker and Docker-Compose for managing project

• Flask application running on UWSGI with next extensions:

  • Flask-Admin
  • Flask-Bcrypt
  • Flask-DebugToolbar
  • Flask-Login
  • Flask-Mail
  • Flask-Migrate
  • Flask-Script
  • Flask-SQLAlchemy
  • Flask-Testing
  • Flask-WTF

• Celery asynchronous tasks application

• Supervisor initialize system for managing python applications

• PostgreSQL object-relational database

• Nginx frontend web server for production mode

• Redis key-value storage server

• RabbitMQ AMPQ server(for production only)

Pre-Build

• install docker https://github.com/docker/docker
• install docker-compose https://docs.docker.com/compose/install

Usage

Pull images

• docker-compose pull

Build an image

• docker-compose build flaskapp

Start a cluster

To start applications with development environment:

• docker-compose up -d

To start applications with production environment (first copy configuration file and edit it)

• cp app/settings/prod.py.repl app/settings/prod.py
• docker-compose --file docker-compose.prod.yml up -d

To initialize, create migration and upgrade your database:

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py create_db"

To run ipython debug flaskapp shell:

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py shell"

To create admin user:

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py create_user -a"

Migrations

To initialize migrations:

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py db init"

To create a migration:

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py db migrate"

To upgrade your database with migration:

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py db upgrade"

Stop and destroy a cluster

• docker-compose stop && docker-compose rm -f

Logs and troubleshooting

To check standard logs:

• docker-compose logs

Access the application containers shell:

• docker exec -it dockerflask_flaskapp_1 bash

Running tests

• docker exec -it dockerflask_flaskapp_1 bash -c "python manage.py runtests"