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Docker compose is an efficient and easy way of deploying docker containers on a host. Compose takes in a YAML file and creates containers according to its specifications. The specification includes what images are needed to be deployed, which specific ports are needed to be exposed, volumes, cpu and memory usage limits, etc.

Then we'll have a real-code example that'll show you how to use ... Compose revolves around a config file called docker-compose.yml .

This Compose file defines two services: web and redis. Web service. The web service uses an image that’s built from the Dockerfile in the current directory. It then binds the container and the host machine to the exposed port, 5000.This example service uses the default port for the Flask web server, 5000. Redis service

These samples provide a starting point for how to integrate different services using a Compose file and to manage their deployment with Docker Compose.

Sample apps with Compose. The following samples show the various aspects of how to work with Docker Compose. As a prerequisite, be sure to install Docker Compose if you have not already done so. Key concepts these samples cover. The samples should help you to: define services based on Docker images using Compose files docker-compose.yml and ...

Docker Compose is used to run multiple containers as a single service. For example, suppose you had an application which required NGNIX and MySQL, you could create one file which would start both the containers as a service without the need to start each one separately.

18.09.2018 · Docker Compose will pick up both file names automatically and will apply the overrides in the override file on top of docker-compose.yml. You can stack multiple Compose files on top of each other. In more complex projects, you’ll want to create dedicated compose files for various environments like docker-compose.dev.yml , docker-compose.test.yml , etc.

03.04.2018 · Step 3 – Create Docker Compose File. Finally create a docker compose configuration file (docker-compose.yml) file in current directory. This will define all the containers will be used in your current setup. add following content. Above docker compose file has settings for two containers.

This file is the main description of the different docker containers architecture. Here is a sample docker-compose.yml file :

Some projects will have additional services (such as Celery for example) defined. Let's look at the components of the file more closely. The application ...

Docker Compose is used to run multiple containers as a single service. For example, suppose you had an application which required NGNIX and MySQL, ...

yml files; understand the relationship between docker-compose.yml and Dockerfiles; learn how to make calls to your application services from Compose files ...