carinamarina/hello-world-web repository overview

⁠Hello World Web

This is a sample Python web application, running on port 5000, which prints data retrieved from the linked carinamarina/hello-world-app container.

1. Run the carinamarina/hello-world-app container.

   docker run --detach --name app carinamarina/hello-world-app
   

   Copy

2. Run the carinamarina/hello-world-web container, linking to the app container using the alias helloapp.

   docker run --detach --name web --link app:helloapp --publish-all carinamarina/hello-world-web
   

   Copy

3. Identity the port where the web container was published. In the example below, the port is 32770.

   $ docker port web
   5000/tcp -> 0.0.0.0:32770
   

   Copy

4. Open http://<dockerHost>:<appContainerPort>, for example http://localhost:32770⁠. You should see the following output:

   The linked container says ... "Hello World!"
   

   Copy