DevOps

The “docker secret” command is a Docker CLI command used to manage secrets in a Docker Swarm. Docker secrets are a secure way to manage sensitive information, such as passwords, API keys, and certificates, within a Docker Swarm cluster. In a Docker Swarm, secrets are encrypted and stored securely, ensuring that only authorized services within […]

The command “docker save” is a Docker CLI command that allows you to export one or more Docker images into an archive file. It essentially creates a compressed file that contains all the necessary components of the Docker image, including the layers, metadata, and configuration information. When you use the “docker save” command, you specify […]

In Docker, the command “docker run” is used to create and run a new container based on a specified Docker image. Containers are lightweight, isolated environments that can run applications with their dependencies, making it easier to package and deploy software across different environments. When you execute the “docker run” command, Docker performs several steps: […]

The “docker rmi” command is used to remove one or more Docker images from your system. It allows you to delete images that are no longer needed, freeing up disk space. By removing images, you can manage your Docker environment efficiently. To use the “docker rmi” command, you specify the image(s) you want to remove […]

The “docker ps” command is used to list the Docker containers that are currently running on your system. It provides an overview of the containers’ status, such as their IDs, names, images, creation time, and resource usage. Here’s a breakdown of the different aspects and options of the “docker ps” command: Listing Running Containers: By […]

The “docker network” command in Docker allows you to create and manage networks for your Docker containers. With Docker networking, you can establish communication and connectivity between containers, enabling them to interact with each other and external resources. Here are some key functionalities and operations provided by the “docker network” command: Create a Network: You […]

The “docker-machine” command is a Docker CLI tool used to create, provision, and manage virtual machines (VMs) that run Docker. It simplifies the process of setting up a Docker environment on various infrastructure providers or local machines. When using the “docker-machine” command, you can create and manage VMs on different platforms, such as cloud providers […]

The “docker logs” command is a Docker CLI command used to retrieve and print the logs generated by a running Docker container. It allows users to access and view the standard output (stdout) and standard error (stderr) streams of a container. When executing the “docker logs” command, you specify the target container by its ID […]

The “docker login” command is a Docker CLI command used to authenticate and log in to a Docker registry. A Docker registry is a centralized repository that stores Docker images, allowing users to share and distribute their containerized applications. When running the “docker login” command, users are prompted to provide their credentials, including a username […]

The “docker load” command is a Docker CLI command used to load Docker images from files or standard input (stdin) into a Docker environment. It allows users to import Docker images that have been previously saved or exported using the “docker save” command. When using the “docker load” command, users provide the image data as […]