Implemented the backend for a sample tagcloud service using twitter sample stream.
- implemented in Python, using Flask framework
- used Redis for incrementing the word counts
- used a Docker container for running Redis
- used a Docker container for running the Python application
- used Docker Compose for putting together the Python application's Docker with the Redis one
1. Open a terminal console
2. Go into application's folder
3. Run the following command
docker-compose up
Now, Compose will pull a Redis image, build an image for the Python application's code, and start everything up.
The web app should now be listening on port 5000 on your Docker daemon host.
4. You can run the application either from another terminal 4.1 or from an web browser 4.2
4.1 Open another terminal and give one of the following commands:
- use this command to run the program with default values 5 seconds and 5 words included in tagcloud
curl 0.0.0.0:5000
* use this command to run the program with the given number of seconds as parameter and a default value of 5 words included in tagcloud ``` curl 0.0.0.0:5000/post/the_duration_of_the_data_fetch ```
* use this command to run the program with the given number of seconds as parameter and given number of words included in tagcloud ``` curl 0.0.0.0:5000/post/the_duration_of_the_data_fetch/how_many_words_it_should_include_in_the_tagcloud ```
******************************************************************************************************************* **After running the application with one of the above commands you will receive in current terminal the sample stream statistics.
Also, in the first terminal (the terminal where you run the docker-compose) you can track the stream evolution, step by step.** *******************************************************************************************************************
**4.2** *Open an web brouser insert one of the following links:*
* use this link to get the program running results with default values 5 seconds and 5 words included in tagcloud ``` http://0.0.0.0:5000 ``` * use this link to get the program running results with the given number of seconds as parameter and a default value of 5 words included in tagcloud ``` http://0.0.0.0:5000/post/the_duration_of_the_data_fetch ``` * use this link to get the program running results with the given number of seconds as parameter and given number of words included in tagcloud ``` http://0.0.0.0:5000/post/the_duration_of_the_data_fetch/how_many_words_it_should_include_in_the_tagcloud ```
******************************************************************************************************************* **After running the application with one of the above links you will receive in your web browser the sample stream statistics.
Also, in the first terminal (the terminal where you run the docker-compose) you can track the stream evolution, step by step.** *******************************************************************************************************************
##### Useful references: --- * [Python Documentation](https://www.python.org/doc/) * [Docker Documentation](http://docs.docker.com/) * [Redis Documentation](http://redis.io/documentation) * [Redis-py Documentation](https://redis-py.readthedocs.org/en/latest/) * [Tweepy Documentation](http://docs.tweepy.org/en/latest/api.html)
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