Get an in-depth overview of the Docker platform including what it can be used for, the architecture it employs, and its underlying technology.
Docker terms Docker and CI/CD Docker with CircleCI What is Docker? Docker is a platform designed to simplify the process of developing, deploying, and running applications by using containers. Containers allow you to package an application with all of its dependencies into a single, standar...
Docker client:The Docker client provides the CLI that accesses the Docker API (aREST API) to communicate with the Docker daemon over Unix sockets or a network interface. The client can be connected to a daemon remotely, or a developer can run the daemon and client on the same computer syst...
What is docker expose port? How do you use it to allow apps to talk to your Docker container? Here's what it is and how it works.
Start a container to test the image by running the following command (swap out the username with your own username): docker run -d -p 8080:8080 YOUR_DOCKER_USERNAME/docker-quickstart You can verify if the container is working by visiting http://localhost:8080 with your browser. Use the ...
docker ps -a | grep$podName Example: If no running process exists in the container, the status codeExited (0)is displayed. Check Item 2: Whether Health Check Fails to Be Performed (Exit Code: 137) The health check configured for a workload is performed on services periodically. If an ...
A Docker host is any system with a running Docker instance. Hosts interact with the Docker daemon to create and manage containers. While the Docker host is commonly a single, independent machine, container orchestrators such asDocker Swarm and Kubernetescan distribute the role of a single host ac...
A Docker container is a running instance of a Docker image. However, unlike in traditional virtualization with a type 1 or type 2 hypervisor, a Docker container runs on the kernel of the host operating system. Within a Docker image there is no separate operating system, as illustrated in Fig...
Docker compose is a tool for defining and running multi-container Docker applications using a YAML file to configure the application's services, networks, and volumes.
Dockeris the most popular tool for creating and running Linux® containers. While early forms of containers were introduced decades ago (with technologies such as FreeBSD Jails and AIX Workload Partitions), containers were democratized in 2013 when Docker brought them to the masses with a new ...