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Tech documentation

A project to attempt to create a solid tool for documenting code internally for tech companies.

Running the application

We use k8s locally. Setup the environment following the steps in Setting up k8s locally.

K8s provides us many advantages such as:

  • no need to install the dependencies locally, we fetch an image and make it run
  • we run easily our databases such as mongo and redis using it
  • we even run our local proxy client smee automatically thanks to k8s

There are 2 options when running the application (It is better when developing to choose OPTION 2, and use option 1 to check everything works before deploying).

1. Run everything in k8s

Pros:

  • Easy to check if everything wires correctly
  • Automatically updates files if they change

Cons:

  • Logging is not as easy as having 2 terminal sessions where logs of frontend and backend are separate
  • Containers often need to be recreated when making important changes to the global environment
  • No debugging using intellij as the backend runs inside a container

2. Use only k8s for external resources

Pros:

  • Easy to make change to frontend and backend as no container restart
  • Debugging automatic using intellij as we run the app in a terminal window
  • Logging is much clearer

Setting up k8s locally

You will need to install:

  • Docker for desktop with kubernetes enabled
  • kubectl (command line tool for kubernetes) - install it using brew install kubernetes-cli
  • skaffold (command line tool for building k8s env locally) - install it using brew install skaffold

Running the full app inside k8s (Option 1)

MODE=ALL skaffold dev --cache-artifacts=true --port-forward

Running the app using resources from k8s (Option 2)

MODE=APP_RESOURCES_ONLY skaffold dev --cache-artifacts=true --port-forward

In this case, we need to also spin up the frontend and the backend on our local machine.

Run the backend:

make backend

Run the frontend:

make frontend

Check out the app

Visit http://localhost:8080/