Скачать или смотреть Docker Volumes Explained (Part 1) | Fix Data Loss in Containers – Step-by-Step Tutorial

🚀 Docker Volumes Tutorial – Part 1: Fix Data Loss in Containers

This is Part 1 of our Docker Volumes series.
In this step-by-step tutorial, you’ll learn why containers are ephemeral (temporary) and how to fix data loss using Docker named volumes.

We’ll start with a simple Dockerfile, run a container, delete it, and see the problem firsthand.
Then we’ll solve it by attaching a named volume, ensuring your data stays safe and persistent, even after the container is deleted.

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What You’ll Learn in This Video

✅ Why containers are ephemeral and lose data when deleted
✅ How to create and use Docker named volumes
✅ Understanding --rm for auto-cleaning helper containers
✅ How to seed a volume with initial data
✅ Inspect volumes using both Docker Desktop and CLI commands

💡 Next Video (Part 2 Preview):
We’ll explore bind mounts and anonymous volumes, perfect for developers who want to edit files in real time while the container is running, especially during development.

Commands Covered

docker build -t msg-demo .
docker run --name my-msg-container msg-demo
docker logs my-msg-container
docker exec -it my-msg-container sh
docker rm -f my-msg-container
docker run -d --name my-msg-container -v my_volume:/app msg-demo
docker run --rm -v my_volume:/app alpine cat /app/message.txt
docker volume create shared_data
docker volume ls
docker run --rm -v shared_data:/data alpine ls -l /data

Useful Links

📘 Docker Volumes Documentation: https://docs.docker.com/storage/volumes/
🐳 Install Docker Desktop: https://www.docker.com/products/docke...
📺 Explore more tutorials on my channel: @exploretechinsights360
   / @exploretechinsights360  


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#Docker #DevOps #Containers #DockerVolumes #DockerTutorial #CloudComputing

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