9. Going Serverless with OpenFaaS

Activity 9: OpenFaaS Form Processor

Solution

1. First, you need to create a SendGrid account and generate an API key. You can use the same API key created in the activity from Chapter 08, Introduction to Apache OpenWhisk. Refer to steps 4-7 in the activity of Chapter 08, Introduction to Apache OpenWhisk on how to create a SendGrid account and generate an API key.
2. Create an OpenFaaS function named contact-form using the python3 template. This will be the frontend of the contact form:

   $ faas-cli new contact-form --lang=python3

   The output should be as follows:

   Figure 9.59: Creating the contact-form function

3. Create a new directory named html inside the contact-form directory to store the HTML files:

   $ mkdir contact-form/html

   The output should be as follows:

   Figure 9.60: Creating the HTML folder

4. Create the contact-us.html file inside the contact-form/html folder with the code provided in step 2.
5. Update the handler.py Python file inside...