Results for: Docker

Docker Image Size: How to Check and Reduce It

April 10, 2024

Docker images can easily become too large to handle, which is why it is important to keep their size under control. You can drastically reduce image size by applying a few simple rules while creating a Dockerfile. Read on to find out how to keep your Docker images small and speed up the building.

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How to Create Docker Image from Dockerfile

April 5, 2024

A Dockerfile offers a simpler and faster way of creating Docker images. It provides a script with all the commands necessary for assembling an image, essentially automating the process. Learn how to create a Dockerfile and use it to build Docker images.

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How to Set Up and Use Private Docker Registry

March 21, 2024

By setting up a private Docker registry, you can save valuable resources and speed up development processes. With a private registry, you can pull images from Docker Hub and share them with other Docker hosts in your network. In this tutorial, learn how to set up Docker private registry and configure it for external accessibility.

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How to Set up Nginx as Reverse Proxy for Docker Container

March 14, 2024

The easiest way to set up a reverse proxy is using Docker and Nginx. Learn how to set up reverse proxy for web servers by running each service in a Docker container.

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docker export Command: How to Export Containers

March 4, 2024

Rebuilding a large app from scratch for every iteration can be time-consuming. The docker export command provides a way to create a snapshot of the running app and share it easily with the team.

This article shows how to export Docker container contents to an archive and import it on another system.

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docker save Command: How to Save Docker Image

February 29, 2024

Developers and testers of containerized applications often need a quick method to share images with their team. This article shows you how to save Docker images for sharing, backup, and migration.

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docker commit Explained {With Examples}

February 14, 2024

Docker allows developers to create new images by committing changes made to already existing containers. In this tutorial, you will learn how to use docker commit to create an image based on a container.

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Install Docker Compose on Ubuntu 20.04 and 22.04

February 8, 2024

Docker Compose launches, executes, communicates, and closes Docker containers with a single coordinated command. It is used for defining and running multi-container Docker applications. Follow this step-by-step guide to install Docker Compose on Ubuntu 20.04/22.04.

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Docker ADD vs. COPY: What are the Differences?

January 25, 2024

Docker offers two commands for copying content into a Docker image using Dockerfile: COPY and ADD. This article explores the similarities and differences between the two instructions and advises you which one to use.

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What Is Docker?

January 17, 2024

Docker is a popular container-based platform. Learn all about Docker, its components and how it works.

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