flask-celery-rabbitmq-example

A simple Flask application using RabbitMQ, Redis, Celery, Flask-SocketIO and Flask-Session.

Getting Started

Prerequisites

Docker Engine needs to be installed on your machine (Docker Documentation).

Environment variables

Variable	Description
RABBITMQ_DEFAULT_USER	Set the default username for RabbitMQ
RABBITMQ_DEFAULT_PASS	Set the default username's password for RabbitMQ
RABBITMQ_NODE_PORT	Set the port number of RabbitMQ node (e.g., 5672)
CELERY_BROKER_URL	Set the location of the broker instance (i.e., RabbitMQ URL)
CELERY_RESULT_BACKEND	Set the location of result store (i.e., Redis URL)
CACHE_REDIS_URL	Set the location of cache store (i.e., Redis URL)
SESSION_TYPE	Set the type of server-side session store (i.e., "redis")
SESSION_REDIS_URL	Set the location of server-side session store (i.e., Redis URL)

Installing

To build application docker image,

./run_build.sh

flask-celery-rabbitmq-example-app image will be generated.

$ docker images
REPOSITORY                         TAG     IMAGE ID      CREATED         SIZE
flask-celery-rabbitmq-example-app  latest  508adf7d3b65  26 minutes ago  331MB

Get it running

$ docker-compose up -d
Creating network "flask-celery-rabbitmq-example_default" with the default driver
Creating flask-celery-rabbitmq-example_rabbitmq_1 ... done
Creating flask-celery-rabbitmq-example_redis_1    ... done
Creating flask-celery-rabbitmq-example_app-celery-worker_1 ... done
Creating flask-celery-rabbitmq-example_app_1               ... done

References

• RabbitMQ official docker image
• Redis official docker image
• Github Celery
• Github Flask-SocketIO
• Github Flask-Session