What is docker-compose with example?

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.

What do you use docker-compose for?

Docker Compose is a tool that was developed to help define and share multi-container applications. With Compose, we can create a YAML file to define the services and with a single command, can spin everything up or tear it all down.

How do I compose a docker-compose?

Get started with Docker Compose

  1. Step 1: Setup.
  2. Step 2: Create a Dockerfile.
  3. Step 3: Define services in a Compose file.
  4. Step 4: Build and run your app with Compose.
  5. Step 5: Edit the Compose file to add a bind mount.
  6. Step 6: Re-build and run the app with Compose.
  7. Step 7: Update the application.

What is compose file in docker?

Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a YAML file to configure your application’s services. Then, with a single command, you create and start all the services from your configuration.

What is the difference between docker and docker-compose?

The key difference between docker run versus docker-compose is that docker run is entirely command line based, while docker-compose reads configuration data from a YAML file. The second major difference is that docker run can only start one container at a time, while docker-compose will configure and run multiple.

What is docker-compose vs Kubernetes?

Kubernetes and Docker Compose are both container orchestration frameworks. Kubernetes runs containers over a number of computers, virtual or real. Docker Compose runs containers on a single host machine.

Is docker-compose free?

With its focus on open source communities, individual developers, education, and small businesses, Docker Personal continues to allow free use of Docker– including Docker CLI, Docker Compose, Docker Engine, Docker Desktop, Docker Hub, Kubernetes, Docker Build/BuildKit, Docker Official Images, Docker Scan, and more.

Does docker-compose build images?

docker-compose build : This command builds images in the docker-compose. yml file. The job of the build command is to get the images ready to create containers, so if a service is using the prebuilt image, it will skip this service.

What is Docker compose vs Kubernetes?

Does Docker compose build images?

How is Docker compose different from Docker?

Why is Kubernetes better than Docker compose?