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Kasus
Contoh, kita punya satu container berisi nginx:latest
version : '3.8'
name: nginx
services:
nginx:
image: nginx:latest
ports:
- 99:80
healthcheck:
#it's for faster test only
#for production use localhost:80
test: ["CMD-SHELL", "curl -fSs localhost:99 || exit 1"]
interval: 30s
timeout: 10s
retries: 2
start_period: 10s
container_name: nginx-ctr
restart: always
networks:
- nginx-net
networks:
nginx-net:
Healthcheck Failed Tapi Container Ga Restart
Ternyata karena memang healthcheck only work di Swarm mode
Terus bagaimana caranya agar healthcheck bisa jalan di non Swarm mode??
How To
Untuk mengakali hal tersebut kita bisa menggunakan image Docker Autoheal
- Kita tambahkan label dari file compose nginx di atas
version : '3.8'
name: nginx
services:
nginx:
image: nginx:latest
ports:
- 99:80
healthcheck:
#it's for faster test only
#for production use localhost:80
test: ["CMD-SHELL", "curl -fSs localhost:99 || exit 1"]
interval: 30s
timeout: 10s
retries: 2
start_period: 10s
container_name: nginx-ctr
restart: always
#add this label
labels:
autoheal-app: true
networks:
- nginx-net
networks:
nginx-net:
- Buat file docker-compose untuk service Docker Autoheal
version: "3.8"
name: autoheal
services:
autoheal:
image: willfarrell/autoheal:latest
container_name: autoheal-ctr
restart: always
environment:
- AUTOHEAL_CONTAINER_LABEL=all
- AUTOHEAL_INTERVAL=5
volumes:
- /var/run/docker.sock:/var/run/docker.sock:ro
- /etc/localtime:/etc/localtime:ro
networks:
- autoheal-net
networks:
autoheal-net:
- Jalankan service Docker Autoheal
, lalu kita cek live log
docker logs -f autoheal-ctr
Autoheal Working!