If you are learning the way how to work with RABBITMQ + CELERY. This source code may help you.

This source code supports 2 ways to run it.

At the first, clone this source code to your local:

git clone https://github.com/thanhson1085/flask-celery-rabbitmq-generate-thumbnail.git

Using Docker

Build from Dockerfile

sudo docker build -t thanhson1085/flask-celery-rabbitmq-example .

Or pull from Docker Repo

sudo docker pull thanhson1085/flask-celery-rabbitmq-example

Run Docker image

sudo docker run -i -t -p 5000:5000 thanhson1085/flask-celery-rabbitmq-example

And waiting for the output as below

celery_task stderr | [2015-07-29 06:04:52,580: INFO/MainProcess] Connected to amqp://guest:**@127.0.0.1:5672//

Install packets normally (Ubuntu 14.04)

I will show you how to run this source code from scratch. And i am using ubuntu server 14.04, installed virtualenv, pip.

Install RabbitMQ Server

sudo apt-get install rabbitmq-server libjpeg8-dev python-imaging

Fix the issue of PIL

ln -s /usr/lib/x86_64-linux-gnu/libjpeg.so /usr/lib

Create environment to run the application with virtualenv

cd flask-celery-rabbitmq-generate-thumbnail
virtualenv env
source env/bin/activate

Install all packets required

pip install -r requirement.txt
pip install PIL --allow-external PIL --allow-unverified PIL

Run web server to upload files

python ./server_celery.py

Run the "generate thumbnail" task in Celery

celery worker -A generate_thumbnail_celery -l INFO

Now, it is ready for testing. (http://localhost:5000)

The page should be:

License

The MIT License (MIT)

Copyright (c) 2015 Nguyen Sy Thanh Son