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Source https://stackoverflow.com/a/53590694 + minor updates

# install chromium, its driver, and selenium
apt-get update
apt install chromium-chromedriver
pip install selenium

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Debug. For more info https://help.github.com/en/github/authenticating-to-github/error-permission-denied-publickey#always-use-the-git-user

start the ssh-agent in the background

eval "$(ssh-agent -s)"

check added keys

ssh-add -l -E md5

xanderim

FWIW: I didn't produce the content presented here (the outline from Edmond Lau's book). I've just copy-pasted it from somewhere over the Internet, but I cannot remember what exactly the original source is. I was also not able to find the author's name, so I cannot give him/her the proper credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

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Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

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System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

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Query Caching

• Django-cachalot http://django-cachalot.readthedocs.io/en/latest/
• Johnny Cache https://github.com/jmoiron/johnny-cache (deprecated)
• Cache Machine https://cache-machine.readthedocs.io/en/latest/

init.py:

import johnny.cache
johnny.cache.enable()

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# Start from golang base image
FROM golang:1.21-alpine as builder

# Set the current working directory inside the builder stage
WORKDIR /app

# copy go mod
COPY ./backend/go.mod ./backend/go.sum ./

# Install atlas gorm provider