codesnips

health-check

ruby 
require "timeout"

module HealthCheck
  class Probe
    Result = Struct.new(:name, :status, :latency_ms, :critical, :error, keyword_init: true) do
      def healthy?

Health Check Endpoint with Dependency Probes

rails reliability health-check
by codesnips 3 tabs
typescript 
import { Pool, PoolClient, Client, QueryResult, QueryResultRow } from 'pg';

const MAX_LIFETIME_MS = 30 * 60 * 1000;

export const pool = new Pool({
  connectionString: process.env.DATABASE_URL,

Postgres connection pooling with pg + max lifetime

node postgres connection-pooling
by codesnips 3 tabs
rust 
use async_trait::async_trait;
use serde::Serialize;

#[derive(Clone, Copy, PartialEq, Eq, Serialize)]
#[serde(rename_all = "lowercase")]
pub enum Status {

Aggregating Subsystem Health Checks Behind an Axum /healthz Endpoint

axum tokio health-check
by codesnips 3 tabs
java 
package com.example.health;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;

Custom Spring Boot Actuator Health Indicators for Database and Disk

spring-boot actuator health-check
by codesnips 3 tabs
java 
package com.example.health;

import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.stereotype.Component;

Custom Spring Boot HealthIndicator for Queue Depth on /actuator/health

spring-boot actuator health-check
by codesnips 4 tabs
go 
package health

import (
	"context"
	"sync"
	"time"

Concurrent Readiness Health Check Endpoint in Go with Timeouts

go health-check readiness
by codesnips 3 tabs