codesnips

timeouts

go 
package proxy

import (
	"log"
	"net"
	"net/http"

Building a Reverse Proxy in Go with httputil.ReverseProxy and Header Rewriting

go reverse-proxy httputil
by codesnips 3 tabs
javascript 
const withTimeout = (promise, timeoutMs, name) => {
  let timer;
  const timeout = new Promise((_, reject) => {
    timer = setTimeout(
      () => reject(new Error(`check '${name}' timed out after ${timeoutMs}ms`)),
      timeoutMs

Express Health-Check Router With a Pluggable Dependency Checks Registry

express health-check observability
by codesnips 3 tabs
ruby 
class CircuitBreaker
  class CircuitOpenError < StandardError; end

  def initialize(name, redis: Redis.current, failure_threshold: 5, failure_window: 60, cooldown: 30)
    @key = "circuit:#{name}"
    @redis = redis

Service-Level “Circuit Breaker” (Simple)

rails reliability http
by codesnips 3 tabs