MySQL tayyorligini `mysqladmin ping` bilan bilish

o'rta

test: ["CMD", "true"] doim muvaffaqiyatli — bu healthcheck emas, bezak. MySQL uchun haqiqiy tekshiruv: mysqladmin ping -h localhost.

db healthcheck'ida mysqladmin ishlating.
app db ni sog'lom bo'lgunicha kutsin.

…

docker-compose.yml

services:
  app:
    image: node:22-alpine
    depends_on:
      - db
  db:
    image: mysql:8.4
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
    healthcheck:
      test: ["CMD", "true"]

✓ YAML to'g'ri · 2 servis

Tab ichkariga · Shift+Tab tashqariga⌘/Ctrl+Enter tekshirishEsc maydondan chiqish

2 servis · 0 tarmoq · 0 volume · tuzilma toza

✓ Compose e'tiroz bildiradigan narsa topilmadi. Vazifa talablari esa serverda, ishga tushirganda tekshiriladi.

Servislar 2

node:22-alpine

portlar: chiqarilmagan — faqat ichki tarmoq
healthcheck: yo'q
restart: no (standart)
user: root (standart)
tarmoq: default

mysql:8.4

portlar: chiqarilmagan — faqat ichki tarmoq
healthcheck: ✓ true
restart: no (standart)
user: root (standart)
tarmoq: default

Ishga tushish tartibi

dbhech kimni kutmaydi
appdb ishga tushishini kutadi (tayyorligini emas)