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CoffeeOps 03/05/2020

All Topics

  • Keeping things positive
  • Working with a recruiter. Does it ever not suck?
  • CI/CD into no touch environments
  • Coronavirus. Are you doomsday prepping?
  • What is Agile supposed to be again?
  • Interview Prep
  • Kuberenetes
  • Cloud Wars - has a winner been declared?
  • GCP Changes
  • Remote interviews
  • GitLab/Monorepos

Interview Prep

  • Background: Looking for a job and it sucks. Interview prep. Whiteboarding? How do I prep
  • Depends on what kind of job you’re looking for. If you’re looking for frontend, backend, or full stack, you’ll likely get a white boarding question of some kind
  • It really helps to just practice. Hackerrank and leetcode are fine, but its even better if you can just actually get a whiteboard and get someone to give you a question
  • Coming in at the junior level, you’ll likely get more algorithms/whiteboarding questions.
  • In terms of whether or not to leverage connections or apply at a ton of places, connections are way more powerful, but in lieu of that, it is good to apply at a lot of places. You might have a really low hit rate, but if you apply at enough places, you might get hired.
  • Startups might be easier to get hired at, but there are a lot of downsides. Maybe lower pay, less structured, less mentoring, etc.
  • Join the slack! Email nyc@coffeeops.org

Staying positive

  • Need to remember the good parts of your job. Great benefits, good pay, 9-5 work for the most part
  • The market is pretty good right now. Lots of job openings
  • The work can be really interesting. Amazing architecting problems
  • Addicted to the good feeling of creating something
  • Lots of money to be had in this industry
  • Many other jobs are way more thankless
  • We have the ability to solve our own problems.
  • Can be hard to stay positive because there are very visible people who appear to be very great at what they do
  • We work in an industry where many times your job actually DOES care about you
  • We feel like our job is thankless, but many other careers have it a lot worse

GitLab/Monorepos

  • Background: Not a monorepo guy, or a python guy. But I’ve used GitLab CI/CD before. Joined a new company and its Python monorepo in GitLab. Auto DevOps in GitLab, but it breaks when you use a monorepo
  • Set up docker compose for running locally
  • Monorepos work if you have the tooling for that. You need Bazel or things like that because after a certain size, they start to break. Dependency management is easier in a monorepo.
  • With a monorepo, you might eventually run into size problems. Git pull takes forever, etc.
  • Typically, those using monorepos either came from google, or know that google uses a monorepo

Coronavirus! Are you doomsday prepping

  • Went to Costco last night and it was wild. They were out of hand soap, Clorox wipes, rice
  • People were buying entire cards of water bottles
  • Company sent out email saying to bring laptop home every day so that you’re prepped if they don’t want people to come into work.
  • Can’t imagine them actually quarantining NYC
  • They say masks aren’t useful, but then that they need them in hospitals, so which is it?
    • They are useful, but only if used properly, and really only useful in close quarters in enclosed spaces where people might be coughing or touching

CI/CD into no touch environments

  • Background: if you have multiple AWS accounts and you have some that you don’t want to touch because they have sensitive data etc. What do?
  • Unless misunderstanding something, you have to give SOMETHING access. Either something deployed inside that can manage the account, or grant other account IAM permissions
  • Two ways seen it done before. One is terraform with a single account that is hyper locked down. Another is ephemeral permissions granted by Hashicorp Vault
  • Could go down the ArgoCD route, where you deploy a single thing you trust into your cluster or account, and it handles all that deployments

Cloud Wars - has a winner been declared

  • AWS is the 900 pound gorilla in the room
  • GCP has the most ride or die fans
  • Azure is great for Windows.
  • The generic services are transferable knowledge, like EC2 or S3, but things like SQS or DynamoDB are more unique to AWS.
  • If you’re looking to focus on frontend development and deployments, maybe focus on things that make it easy to do that. Amplify, Google App Engine, Netlify, Heroku, etc.
  • Cloud providers can go out, and then you’re screwed?
    • Have to architect your app to be high availability, and maybe multi region

What is Agile supposed to be again?

  • Was just at a conference and there were lots of buzzwords, but there were a lot of people who were talking about Agile and being super confident about it. What did Agile do for the industry? What was it supposed to be?
  • In the beginning, there was waterfall. You planned everything up front, and then executes, but that had lots of problems. Very inflexible.
  • Agile was supposed to deal with it by being more flexible by building incrementally. Don’t do 100% of planning up front and then all development. Do a little bit at a time
  • What about design docs? Is that just reimplementing water fall?
    • What about up front discussions about wrapping your mind around the goals.
      • That’s different.
  • A lot of people combine Agile and Scrum, but they don’t have to be, and maybe shouldn’t be.
  • If you develop iteratively, that’s Agile. If you have Sprints and standup, you’re doing scrum
  • People should wait 2 weeks after reading a blog post to do anything about it
  • So easy to game story pointing, so its super stupid