Spring-boot – Docker Compose – Service ready

I have a docker-compose with 3 services: config-server, cpo-events and cpo-executor. I want that the services start only when config-server is ready because the services need the config files that are in config-server service.

docker-compose.yml:

version: '3.7'
services:
    config-server:
        container_name: cup-config-server
        image: cup-config-server:1.0.0
        expose:
            - 8888
        ports:
            - 8888:8888
        networks:
            - spring-cloud-network
        healthcheck:
            test: ["CMD", "curl", "-f", "http://localhost:8888/cpo-executor/dev"]
            interval: 30s
            timeout: 10s
            retries: 5
    cpo-events:
        container_name: cpo-events-kafka
        image: cpo-events-kafka:1.0.0
        expose:
            - 8878
        ports:
            - 8878:8878
        networks:
            - spring-cloud-network
        depends_on:
            - config-server
        links: 
            - config-server
    cpo-executor:
        container_name: cpo-executor
        image: cpo-executor:1.0.0
        expose:
            - 8879
        ports:
            - 8879:8879
        networks:
            - spring-cloud-network
        depends_on:
            - config-server
        links: 
            - config-server
networks:
    spring-cloud-network:
        driver: bridge

Depends_on, links, healthcheck, nothing is guaranteeing the two services(cpo-executor, cpo-event) to start only after config-server is ready.

Source: Docker Questions

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