Docker Engine is the industry-standard container runtime. It lets you build, ship, and run applications in isolated containers, ensuring consistent environments from development through production. This guide installs Docker Engine on Ubuntu 26.04 LTS using the official Docker repository. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with sudo privileges […]
Docker Compose is a tool for defining and running multi-container Docker applications using a single YAML configuration file. With one command you can start all services, networks, and volumes for your entire application stack. This guide installs Docker Compose on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with […]
A private Docker registry lets you store and distribute container images within your own infrastructure, avoiding Docker Hub rate limits and keeping proprietary images secure. This guide sets up a private Docker registry with TLS and basic authentication on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker […]
Docker Compose simplifies multi-container application deployment using a declarative YAML file. This guide demonstrates deploying a full-stack web application (Nginx, Node.js API, MySQL, Redis) with Docker Compose on Ubuntu 26.04 LTS, covering real-world patterns like named volumes, custom networks, health checks, and environment variable management. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 […]
Managing Docker images and containers effectively is a core skill for any developer or sysadmin working with containers. This guide covers the essential commands for building, tagging, pushing, listing, inspecting, and cleaning up Docker images and containers on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine […]
Docker provides two main mechanisms for persisting and sharing data: named volumes (managed by Docker) and bind mounts (host filesystem paths). Understanding the differences and use-cases helps you choose the right storage strategy for your containers. This guide covers both on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]
Portainer is an open-source container management UI that provides a web-based dashboard for managing Docker containers, images, volumes, networks, and stacks. It is available as a free Community Edition (CE). This guide installs Portainer CE on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine installed A […]
Docker networking enables containers to communicate with each other, the host, and external networks. Docker provides several network drivers: bridge, host, overlay, macvlan, and none. Understanding these is essential for secure and efficient container deployments. This guide configures Docker networking on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]
A plataforma Docker permite aos desenvolvedores empacotar e executar aplicações como containers. Um container é um processo isolado que executa em um sistema operacional compartilhado, oferecendo uma alternativa mais leve às máquinas virtuais. Embora…
O autor selecionou o Girls Who Code para receber uma doação como parte do programa Write for DOnations. O Docker pode ser uma maneira eficiente de executar…
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