docker-stack.yml

version: '3.4'

services:
    long_lived:
        image: nginx:alpine
        ports:
            - "8000:80"
        deploy:
            replicas: 2
        healthcheck:
            test: "wget -O - -q http://localhost/"
            interval: 1s
            timeout: 2s
            retries: 10
    short_lived:
        image: alpine:3.6
        command: "sh -c 'touch /tmp/healthy && sleep 20 && exit 0'"
        deploy:
            replicas: 2
            labels:
                docker-php.service.lifecycle: shortlived
            restart_policy:
                condition: none
        healthcheck:
            test: "cat /tmp/healthy"
            interval: 1s
            timeout: 2s
            retries: 10
    long_lived_flapping:
        image: alpine:3.6
        environment:
            - NO_FAILURES_AFTER_TIMESTAMP
        command: "sh -c 'if [ $$(date +%s) -lt $$NO_FAILURES_AFTER_TIMESTAMP ] ; then sleep 3; echo ho no...; exit 128; else echo no failure mode; touch /tmp/healthy; sleep 86400; echo byebye; exit 0; fi'"
        deploy:
            replicas: 2
        healthcheck:
            test: "cat /tmp/healthy"
            interval: 1s
            timeout: 2s
            retries: 10