translated subtopic about Docker

README_ENG.md

@@ -1773,10 +1773,60 @@ When developing server applications, different API formats can be used, dependin
 
 -   ### Docker
 
+    [Docker](<https://en.wikipedia.org/wiki/Docker_(software)>) a special program that allows you to run isolated sandboxes (containers) with different preinstalled environments (be it a specific operating system, a database, etc.). [Containerization](https://en.wikipedia.org/wiki/OS-level_virtualization) technology, that Docker provides is similar to virtual machines, but unlike virtual machines, containers use the host OS kernel, which requires far fewer resources.
+
+    -   Docker image
+        > A special fixed template that contains a description of the environment to run the application (OS, source code, libraries, environment variables, configuration files, etc.). The images can be downloaded from [official site](https://hub.docker.com/search?type=image) and used to create your own.
+    -   Docker container
+        > An isolated environment created from an image. It is essentially a running process on a computer which internally contains the environment described in the image.
+    -   Console commands
+        ```bash
+        docker pull [image_name] # Download the image
+        docker images  # List of available images
+        docker run [image_id] # Running a container based on the selected image
+            # Some flags for the run command:
+            -d # Starting with a return to the console
+            --name [name] # Name the container
+            --rm # Remove the container after stopping
+            -p [local_port][port_iside_container] # Port forwarding
+        docker build [path_to_Dockerfile] # Creating an image based on a Dockerfile
+        docker ps # List of running containers
+        docker ps -a # List of all containers
+        docker stop [id/container_name] # Stop the container
+        docker start [id/container_name] # Start an existing container
+        docker attach [id/container_name] # Connect to the container console
+        docker logs [id/container_name] # Output the container logs
+        docker rm [id/container_name] # Delete container
+        docker container prune # Delete all containers
+        docker rmi [image_id] # Delete image
+        ```
+    -   Instructions for Dockerfile
+        > Dockerfile is a file with a set of instructions and arguments for creating images.
+        ```bash
+        FROM [image_name] # Setting a base image
+        WORKDIR [path] # Setting the root directory inside the container
+        COPY [path_relative_Dockefile] [path_in_container] # Copying files
+        ADD [path] [path] # Similar to the command above
+        RUN [command] # A command that runs only when the image is initialized
+        CMD ["command"] # The command that runs every time you start the container
+        ENV KEY="VALUE" # Setting Environment Variables
+        ARG KEY=VALUE # Setting variables to pass to Docker during image building
+        ENTRYPOINT ["command"] # The command that runs when the container is running
+        EXPOSE port/protocol # Indicates the need to open a port
+        VOLUME ["path"] # Creates a mount point for working with persistent storage
+        ```
+    -   Docker-compose
+        > A tool for defining and running multi-container Docker applications. It allows you to define the services that make up your application in a single file, and then start and stop all of the services with a single command. In a sense, it is a Dockerfile on maximal.
+
 <details>
     <summary>🔗 <b>References</b></summary>
 
-</details>
+1. 📺 [**Learn Docker in 7 Easy Steps - Full Beginner's Tutorial** – YouTube](https://youtu.be/gAkwW2tuIqE)
+2. 📺 [**Docker Crash Course Tutorial (playlist)** – YouTube](https://youtube.com/playlist?list=PL4cUxeGkcC9hxjeEtdHFNYMtCpjNBm3h7)
+3. 📄 [**The Ultimate Docker Cheat Sheet**](https://dockerlabs.collabnix.com/docker/cheatsheet/)
+4. 📺 [**Docker Compose Tutorial** – YouTube](https://youtu.be/HG6yIjZapSA)
+5. 📺 [**Docker networking – everything you need to know** – YouTube](https://youtu.be/bKFMS5C4CG0)
+ </details>
 
 <div align="right"><a href="#top">Contents ⬆️</a></div>