Develop Reference

Python + Node.js on GAE

I have a Django application deployed on Google App Engine standard environment. I am interested in server side rendering of my JS frontend. Can I use node.js alongside Django on the same GAE? Maybe as microservice?

What you can do is to deploy each of your app as a separate service in App Engine and they will work independently as a microservice. To do so, make sure to set a service name for each of the app.yaml file of your apps:
service: service-name
Afterwards, you can communicate between your services through an HTTP invocation, such as a user request or a RESTful API call. Code in one service can't directly call code in another service.
Refer to this link for additional information about communicating between your services.

I have come across articles that talk about integrating python and Node but I personally haven't done it or seen it done on GAE.
If I were to take a stab, I think you would be looking at something like
Have the python app as a service (say it's available on python_service.myapp.appspot.com
Have your Node.js as your default service available on myapp.appspot.com
Your Nodejs will have a route and when this route is invoked, you make an http request to the python service, wait for a response and then your Nodejs app returns that response.
Our App, https://nocommandline.com is an Electron App (combo of Node.js & Vue.js) If you purchase a license and try to validate it, we make a call server side and our server side is Python based. It's not exactly the same thing you're looking at (since our App is not web-based) but this gives you an idea of what I was trying to describe.

Run Kubernetes dynamically using API

I want to create pods, manage replica sets, and deployments using a rest API either built with PHP or Python. This needs to be controlled from a web app where the user clicks on a button and a new pod with a specific volume is created. I'm not sure how to achieve this.
I came across KC8 API and Python KC8 client API but I'm unable to achieve what is required. TIA

Kubernetes is controlled through an HTTP REST API, which is fully specified here. You could write a web app that directly issues the appropriate HTTP requests to the Kubernetes API server.
However, it's much more recommended to use one of the Kubernetes client libraries that exist for different programming languages. These libraries wrap all the HTTP requests in function calls and also take care of things like authentication.
You can find example code using the different client libraries in the GitHub repositories of most libraries (see here).

openid connect provider and client example in django

I need to build a Django web-app. My web-app needs to support authentication and authorization using OpenID Connect. It is my first time doing this. Is there a free Identity Provider to test my application or do I need to write the provider and the client? My task is to write only the client that connects to the provider. An example would be great or some course/tutorial I can use to learn how to do this.
Maybe there are no good examples in Django but I know ASN.NET and Java so those examples could inspire me as well.

There are a bunch of OpenID Connect providers you can use to test your client: you can sign up for a free Auth0 or Okta developer sandbox, download and run IdentityServer locally, or try the OAuth2 Playground.
As for writing the client. Please don't write your own. There are a list of libraries from the OpenId Foundation. I've used pyoidc for a non Django application, you could hook that in to your app, or use one of the Django specific OpenID Connect libraries.

checkout this example using both provider (django app using django-oidc-provider package) and client (using JS).
https://django-oidc-provider.readthedocs.io/en/latest/sections/examples.html

Running Django Rest Framework inside Apache

I have a web server running Apache, and I need to implement a RESTful API on the same domain, and I'd like to use Django Restful Framework to serve the REST calls.
For example: going to http://myawesomedomain.com/ in a browser serves a good old fashioned web page delivered by Apache, but I need requests to http://myawesomedomain.com/api/customers/... to be handled by my Django Restful application.
Can someone please point me in the right direction. Is there an apache mod I need to activate to get it to serve Python? Do I have to redirect those requests to another service on the server?
Not looking for a comprehensive tutorial. I just don't know where to start.
Thanks in advance

I did some more digging and found the answer myself.
You use mod_wsgi.
Here is a perfect tutorial to get started: https://docs.djangoproject.com/en/1.7/howto/deployment/wsgi/modwsgi/

Security of python flask REST API using HTTP Basic Authentication

I have python flask running on my server exposing a REST API that is being consumed by an iOS app. I'm using HTTP Basic Authentication using the Flask-HTTPAuth: module. I wanted to know how secure this is because the username:password string would be sent on every request.
Do I need to use HTTPS instead?
Thanks!
Sorry for bad english. Still learning.

Your current system is (very!) insecure, the login information can be seen during transit by anyone.
The easiest way to add secure HTTP is to install a proxy server like nginx. Then nginx is configured for secure HTTP, but it relays all the requests to the Flask application listening on a private socket without encryption.
This link will send you to the nginx documentation on secure HTTP.

Alternatively, you can have HTTPS running directly from Flask. The link has clear instructions of how to do this. It is a quick, easy method to use while developing.
For production, I'd use Apache's mod_ssl function, or as already stated by Miguel, nginx, as proxy servers.