#Docker

Docker

Docker is an open-source project based on Linux containers for developing, shipping, and running applications.

Docker

2.1 Docker installation

# Check docker
docker version
sudo docker run hello-world

• On Linux
  • Docker client, Docker daemon and Container runs on the same Host
• On Window or MacOSX
  • Docker daemon cannot be run directly on Non-Linux platform natively because it user Linux specific Kernel feature
  • Need to run inside Docker-Machine
    • Install Docker Desktop

Create Docker Image

• Docker can be created
  • Container
  • Dockerfile

Docker-Compose

• DC makes it easier to configure and run applications made up of multiple containers
• DC is a very handy tool to quickly get docker environment up and running.
• It uses yaml files to store the configuration of all the containers
• We can create some containers like: web app, postgres and redis
  • and can establish an internal connection