Exercises

We've covered a lot of material in this chapter. To consolidate what we have learned, we recommend the following two exercises:

1. Run CouchDB as a Docker container and publish its port, as follows:

   Tip

   You can use the docker search command to find the CouchDB image.

   1. Run the container.
   2. Publish the CouchDB port.
   3. Open the browser and check that CouchDB is available.
2. Create a Docker image with a REST service, replying Hello World to localhost:8080/hello. Use any language and framework you prefer. Here are the steps you need to follow:

   Tip

   The easiest way to create a REST service is to use Python with the Flask framework (https://flask.palletsprojects.com/). Note that a lot of web frameworks, by default, start an application only on the localhost interface. In order to publish a port, it's necessary to start it on all interfaces (app.run(host='0.0.0.0') in the case of a Flask framework).

   1. Create a...