Docker stack depends on. docker network create mynet docker run -d --net mynet --name container1 my_image docker run -it --net mynet --name container1 another_image depends_on expresses start order (and implicitly image pulling order), which was a good side effect of links. I have specified postgrasdb service to start before python-app service using depends_on but the docker-compose in not running the services in specified order. Use the compose file to deploy your stack of 3 services; docker stack deploy --compose-file {path-to-compose-file} my-new-stack. One is with depends_on and one is without depends_on. Nov 25, 2022 · docker stack does not support depends_on, this is the reason this was removed from compose file format version: "3" before compose specfication made this obsolete. Swarm This command works with the Swarm orchestrator. sh [opts] stack_name -f filter: only wait for services matching filter, may be passed multiple times, see docker stack services for the filter syntax -h: this help message -l flags: Print logs of relevant services at end. yaml up The legacy versions of the Compose file reference has moved to the V1 branch of the Compose repository. yaml config -o merged. Stack: Docker Stacks occur when a Swarm Manager is managing multiple Swarms for multiple Services, on a given Cluster, for a given application; hence the difference between a Swarm and a Stack is that a Swarm simply applies to a single Service, whereas a Stack manages multiple Swarms and hence multiple Services that all comprise a scalable and Sep 17, 2020 · Description of the issue When we apply docker-compose config to a docker-compose file with depends_on, the end result is not deployable by docker stack. It seems reasonable to expect that if you run containers using docker compose run , that exiting the process will stop the containers for you. docker stack config [OPTIONS] Swarm This command works with the Swarm orchestrator. yml file of older versions with command: docker-compose disable-v2. sh -h docker-stack-wait. docker stack up. yaml -f compose-db. Let’s suppose we had in our docker-stack. to get my Nginx image. yml run --rm web pytest followed by docker compose -p test -f docker-compose. They may be in different files if you merge those files into the same project, e. yml up -d --build --force-recreate cd . $ . There are other differences too. Compose always starts and stops containers in dependency order, where dependencies are determined by depends_on , links , volumes_from , and network_mode: "service:" . 0~ce-0~debian-stretch (stretch)] Accept this solution? [Y/n/q/?] y Let aptitude do its work and it should then install docker-ce. Mar 7, 2016 · For docker run, --link is also deprecated and should be replaced by a custom network. I was deploying the same docker-compose. Which storage system you’ll have to use will depend on what you need for your app. yaml \ -f docker-compose. Notice the - before app. This is due to the fact, Docker Compose considers the project name as, by default, the name of the parent directory where reside the . docker. yml file to be used for a Docker Stack; Deploy a Docker Stack from Docker Compose across a Docker Swarm; Deploy a three-tier architecture within the stack that consists of a Redis service with four replicas, an Apache service with three replicas, and a Postgres service with one replica; Confirm creation of the Stack and Oct 1, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 9, 2020 · docker stack deploy-c docker-stack. List stacks. 这时候我们可以用depends_on来解决容器依赖问题，depends_on表示在启动本容器前，确保depends_on的容器先启动 加上 depends_on 后的 docker-compose. yml file, here the directory docker --in terminal-- docker-compose build #create Python env, no errors docker-compose up #create Mongo env and run script docker-compose up gives me: raise ServerSelectionTimeoutError( write_static_1 | pymongo. Description. Aug 25, 2021 · To simplify this, Docker also developed a new tool alongside Swarm called Docker Stack. yml in several services depends_on is used. com/compose/compose-file/#depends_on "The depends_on option is ignored when deploying a stack in swarm mode with a version 3 Jun 17, 2019 · To implement this dependency, I tried using depends_on in docker-compose and though it ensures that container B starts before A, the download might still be in progress. Use the following links to navigate key sections of the Compose Specification. Sep 14, 2018 · This has lots of benefits for robust applications that may restart in the wild on the fly in addition to circumventing the race condition in docker compose up. How I can start my services, so they: Are run with docker; Are started in correct order, and are waiting for each other Jul 31, 2015 · docker-compose up will start services in dependency order. Jun 24, 2020 · There are several things to be aware of when using depends_on: () The depends_on option is ignored when deploying a stack in swarm mode with a version 3 Compose file. yml files, Docker Compose enables developers and system administrators to specify how the health check for each service in their environment should be performed. . - from Docker Docs. yaml -f fileB. 4" services: serviceA: Sep 27, 2022 · I can now run docker build --target=test . docker-compose可以方便组合多个 docker 容器服务, 但是, 当容器服务之间存在依赖关系时, docker-compose 并不能保证服务的启动顺序。docker-compose 中的 depends_on 配置是容器的启动顺序, 并不是容器中服务的启动顺序。 Sep 29, 2017 · In some cases, certain features that only work with docker stack are ignored by Docker Compose, and likewise, unsupported features of Docker Compose are ignored by the docker stack command. Compose implementations MAY wait for dependency services to be “ready” before starting a dependent service. docker stack deploy. It knows how to build mybaseimage (you gave it a build path), so it will build it now, and tag it as mybaseimage. Provide details and share your research! But avoid …. Another good explanation on GitHub: depends_on is a no-op when used with docker stack deploy. answered Aug 4, 2020 at 9:43. You can control the order of service startup and shutdown with the depends_on attribute. Feb 10, 2022 · dockerfile: test/Dockerfile. The deploy command accepts a stack description in the form of a Compose file. So it will deploy base first. in your home dir) or the default /usr/bin one. Usage. As stated in https://docs. Notice your services are prefixed by the stack name you give when deploy. The latest and recommended version of the Compose file format is defined by the Compose Specification. Nov 25, 2022 · Anyone using "docker compose -f fileA. Here's my docker-compose. If the compile stage fails, the Nginx packaging will fail, too, which is good. docker stack ls. The compose file reference says The depends_on option is igno Mar 14, 2018 · The depends_on isn't used on docker swarm: The depends_on option is ignored when deploying a stack in swarm mode with a version 3 compose file. depends_on will be an object, not an array. 0 + depends_on is back in docker compose v1. If you wish to implement your own version of the Compose Specification, see the Compose Specification repository . Check image Nov 2, 2020 · Docker is a client server app, and the server runs from systemd with a separate service for the docker socket used by the client to talk to the server. https://docs. depends_on & service_healthy - Compose 1. However, docker-compose does not block unless you define some service as depends_on: . example. dev. You should see something like this: We now have 3 services running on a docker swarm. to just build the SPA, and docker build --target=nginx . yml file contains 2 services. yaml docker-compose. app-test. Through docker-compose. Furthermore, depends_on is a Docker Compose keyword, while we can similarly use links as a legacy feature of Docker. ServerSelectionTimeoutError: 27017:27017: [Errno 22] Invalid argument; Can someone help me please? Thanks a lot. 0+ (was deprecated in v3) in the Compose Specification Adding a dash at the beginning of each environment line, in addition to indentation, seems to be a requirement. It did when using Portainer to deploy at least i. yml with lots of containers (~400) overwhelms single docker nodes when launched via docker stack deploy. yml: version: '2' services: wait: image: waisbrot/wait depends_on: - mongo environment: - TARGETS=mongo:27017 app: build: . $ docker --version Docker version 17. docker-compose up SERVICE will automatically include SERVICE’s dependencies. version: "2. Apr 3, 2019 · I'm working with a docker service using docker-compose, and I have a service that depends on anther. yaml 文件如下 Mar 10, 2023 · Create a docker-compose. An alias is a short or memorable alternative for a longer command. I fail to see how this concludes, that you should use depends_on instead $ docker stack ls ID SERVICES ORCHESTRATOR myapp 2 Kubernetes vossibility-stack 6 Swarm Format the output (--format) The formatting option ( --format ) pretty-prints stacks using a Go template. Apr 23, 2017 · If it is version 2 or above then docker-compose written in basic format will not work if you use docker compose up command. Oct 25, 2022 · Hi Docker experts, I am having the problem that a large doker-compose. Deploy a new stack or update an existing stack. If deluge tries to connect to something via the gluetun process, the container is guaranteed to exist but the tunnel process isn't guaranteed to be fully set up and running. In the following example, docker-compose up web will also create and start db and redis. docker-compose sees that you have not yet tagged any image as mybaseimage. This line means that depends_on doesn't guarantee that dependent service is READY to serve requests, it guarantees that dependent service was just STARTED. Swarm mode services are restarted when they fail, so there's no reason to delay their Jan 19, 2017 · docker-compose up will start services in dependency order. docker stack deploy [OPTIONS] STACK. yml? When a web app has connection to a database, in the docker compose yml file, I see these two examples. docker stack ps. Jun 27, 2022 · depends-on mean : Compose implementations MUST guarantee dependency services have been started before starting a dependent service. 04. Sep 10, 2021 · Simple docker compose up brings all services at once, so they fail because they cannot connect to database. I've used the depends_on key, but the service with the dependency launches prior to the depending service being completely up. ym是这样的： version: '2' service… Nov 14, 2017 · Hi. depends_on: - app: condition: service_healthy. Apr 15, 2021 · docker-compose 用于构建本地开发环境是十分方便到，然而对于一些特定到服务，简单到depends_on编排并不能貌似解决不了启动先后顺序问题，为啥呢？ 普通docker-compose. If you have particular concerns about some of those changes, please report them over on the docker/docker repo where it is being actively iterated on. Sep 22, 2020 · cd ~/cms; docker-compose -f docker-compose. May 23, 2021 · Services in docker-compose with depends on condition (healthy) are working well after docker-compose up -d But after restarting docker daemon (service docker restart) or server reboot, all services start at the same time and it seems that the depends on condition doesn't apply. That worked perfectly Aug 29, 2018 · Docker-compose编排微服务顺序启动解决方案 一、前言. to just run the tests, docker build --target=compile . Therefore it's possible for any call with the docker command to cause the server to get launched by hitting the docker socket. Aliases. When I docker network inspect {network id} I can see both the containers wordpress and frontend are in the Dec 8, 2017 · If this answer doesn't work for you and you're using Linux, try checking the current docker-composer version: which -a docker-compose; docker-compose -v this will show the version and if you are currently using docker-compose installed/built locally (i. Sep 20, 2020 · Long syntax does not not seems deprecated according to latest docker compose specification but clearly not implemented with docker stack for me either. errors. Is there a way to specify a condition in the entrypoint of container A that it has to wait until the completion of download by container B? Jan 10, 2020 · Description It seems there is no support for managing dependencies between services in a stack when using docker stack deploy, as there is in docker-compose(using depends_on). We have a lot of custom code that tries to detect if the helper services are healthy. docker-compose deploys the base service. Then we can check our stack (or the specific service we updated) status and we’ll see the new replicas running. override. yaml but you can also use a docker-compose -f option; note that you need to list every Compose file if you do, and you need to include it on every Compose invocation. Outputs the final config file, after doing merges and interpolations. On the other hand using docker compose up instead of calling docker run automatically brings services down. com/kitconcept/docker-stack-deploy ) Sep 15, 2022 · When depends_on is being used in docker-compose. Jan 18, 2021 · depends_on: only affects the order in which the services start starting. Now test with docker compose up command & observe compose will work. Scaling your stack Apr 28, 2018 · The docker compose documentation specifies that links is deprecated and should be replaced with depends_on. /frontend; docker-compose -f docker-compose. 27. e. Outputs the final Compose file, after doing the merges and Nov 25, 2019 · There are several things to be aware of when using depends_on: depends_on does not wait for db and redis to be “ready” before starting web - only until they have been started. Also pay attention to the amount of spaces: if condition is in the same column as app, you will also get an undesired result. Ran into this issue when trying to use github action for stack deploy with multiple files (with https://github. In the following example, db and redis will be started before web. They are no longer being actively maintained. yml down – garyj Commented Aug 10 at 0:52 Apr 16, 2021 · Docker Compose の depends_on の使い方をかんたんにまとめました。 主に自分用のまとめですが、このあたりは公式ドキュメントの説明があまり充実していないので Docker Compose をよく使う方のお役に立つのではないかと思います。 May 24, 2023 · Here, docker-compose is just a convenient way to run the helper services while we develop the main server code. The backend service builds an image from the Dockerfile located in the backend directory that is set to build at stage builder . In our example In the following example, the proxy service uses the Nginx image, mounts a local Nginx configuration file into the container, exposes port 80 and depends on the backend service. com/compose/compose-file/#depends_on. It does not. List the tasks in the stack. docker-compose -f compose-app. 0-ce, build 4845c56 Sep 20, 2017 · In the version 47d0fdc of the file faas/docker-compose. docker stack ls NAME SERVICES ORCHESTRATOR foo-stack 2 Swarm bar-stack 2 Swarm Jun 21, 2016 · docker-compose sees that child1 and child2 services depend on base. Unfortunately the compose file reference points out that depends_on is ignored Jan 28, 2020 · Meaning when I was restarting the Docker Compose recipe for cloud. In one tutorial, I see that there is no depends_on is being used. Ex: bar-stack_tar-service. yaml stack". yml file only on one node via docker compose up and used the depends_on attribute to have every subsequent container wait until the previous one was spawned. Note. docker-compose \ -f docker-compose. Asking for help, clarification, or responding to other answers. yml up -d --build --force-recreate As you can see I have created the link between the networks using bridge. docker stack config. The Compose Specification on Docker Docs is the Docker Compose implementation. links also express dependency between services in the same way as depends_on, so they determine the order of service startup. Why does docker stack deploy not support include? docker swarm and stack subcommand is owned by Mirantis, so I can't tell why there's no move with this topic Aug 28, 2023 · ln -s docker-compose. If the tests fail well, there's nothing stopping us from building an Nginx image of my Sep 28, 2016 · The stack fails to start because the app server crashes when it can't connect to Mongo. yml file that our Rails app used the image “myapp:v1”, and we want to update it to a new version, “myapp:v2”, that we already built Jun 4, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. When running Docker Engine in swarm mode, you can use docker stack deploy to deploy a complete application stack to the swarm. So make sure to disable the version 2 or above to test docker-compose. Steps to reproduce the issue Example docker-compose file: services: test: depends_o Oct 10, 2023 · I think the confusion is that if you do docker compose up, and then exit the process (ctrl + c), then docker effectively runs docker compose down for you and stops any running containers. Dec 14, 2019 · The depends_on directive only works with services in the same compose project. Jan 9, 2017 · docker stack is a fresh start using new concepts and sheds away some of the more unwieldy syntax and concepts, from volumes_from to depends_on. yaml \ up -d Oct 8, 2018 · My docker-compose. Only the short syntax is working. I would like to use the healthcheck feature of docker-compose. – Mar 26, 2018 · Now get the name the service from the NAME column. The docs only say, that. yml myapp. org for example, Docker Compose thought the request concerned also the other Docker Compose recipe. In deploy_stack. May 10, 2022 · Used in it in a Makefile: docker compose -p test -f docker-compose. sh this file used with docker stack deploy. /docker-stack-wait. The docker stack deploy command uses the legacy Compose file version 3 format, used by Compose V1. Without it, services. Check that your services are deployed; docker service ls. Sep 5, 2017 · # Tomcat 9 running on Alpine OS docker run -it tomcat:9-alpine cat /etc/os-release # Tomcat 9 running Debian (buster) docker run -it tomcat:9 cat /etc/os-release Share Improve this answer Dec 1, 2023 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Dec 29, 2023 · Docker Compose, a tool for defining and running multi-container Docker applications, natively integrates the concept of health checks into its configurations. For example, the deploy property is ignored by Docker Compose and depends_on is ignored by docker stack. Mar 19, 2024 · While depends_on indicates the order in which the services must start and stop, the links keyword handles the communication of containers over a network. How can I get postgrasdb service to be run before python-app service? I am running docker-compose up --build --remove-orphans command. yaml" will run into this issue when trying to deploy on swarm with "docker stack deploy -c merged. Dec 28, 2017 · The following actions will resolve these dependencies: Install the following packages: 1) docker-ce [17. g. sjlcrenbqpglfgrcgdlvfkyxkugqavmhgtubilmiebfnfsgqqqvwayixn