cecilemuller

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

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Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

ptarjan

Scaling your API with rate limiters

The following are examples of the four types rate limiters discussed in the accompanying blog post. In the examples below I've used pseudocode-like Ruby, so if you're unfamiliar with Ruby you should be able to easily translate this approach to other languages. Complete examples in Ruby are also provided later in this gist.

In most cases you'll want all these examples to be classes, but I've used simple functions here to keep the code samples brief.

Request rate limiter

This uses a basic token bucket algorithm and relies on the fact that Redis scripts execute atomically. No other operations can run between fetching the count and writing the new count.

bjarneo

import merge from 'deepmerge';
import delve from 'dlv';
import defaultConfig from './default';

const { REACT_APP_ENV, NODE_ENV } = process.env;

const ENV = REACT_APP_ENV || NODE_ENV;

const config = () => {
    try {

pahud

workflow "Demo workflow" {
  on = "push"
  resolves = ["SNS Notification"]
}

action "Build Image" {
  uses = "actions/docker/cli@c08a5fc9e0286844156fefff2c141072048141f6"
  runs = ["/bin/sh", "-c", "docker build -t $IMAGE_URI ."]
  env = {
    IMAGE_URI = "xxxxxxxx.dkr.ecr.ap-northeast-1.amazonaws.com/github-action-demo:latest"

vishnuhd

mysql-client in Kubernetes to test your connection to mysql server

kubectl run mysql-client --image=mysql:5.7 -it --rm --restart=Never -- /bin/bash

mysql -h mysql-service -uroot -proot_password -e 'SHOW databases;'

OR

mysql -h mysql-service -uroot -proot_password