twtech-docker-hub images and workflow commands for Personal Lab

 

In Docker, images are the blueprint for containers. They contain everything needed to run an application, including the code, runtime, libraries, environment variables, and configurations.

Key Commands for Docker Images:

1.     List Docker Images 

docker images 

devopspatemf2021/twtech:twtech-spring-boot-mongo

devopspatemf2021/rancher:rancher

devopspatemf2021/webapps:latest

devopspatemf2021/webapps:version-1.9

devopspatemf2021/webapps:version-2.0.0

devopspatemf2021/twtwebapp_real:vulnerable-free

devopspatemf2021/netflix:latest

devopspatemf2021/twtech-web-app:twtech-web-app

The above command should lists all Docker images pulled to the local environment.

2.     Pull an Image from Docker Hub 

# docker pull <image_name>:<tag>

      docker pull devopspatemf2021/twtech:twtech-spring-boot-mongo

3.     Build an Image from a Dockerfile

# docker build -t <image_name>:<tag> .

docker build -t webapps:latest  .

4.     Remove an Image

#  docker rmi <image_id> 

          docker rmi netflix:v1 

5.     Inspect an Image

# docker inspect <image_name> 

docker inspect webapps:version-2.0.0

6.     View Image History

# docker history <image_name>

docker history twtech:twtech-spring-boot-mongo

7.     Tag an Image

# docker tag <existing_image> <new_repo>:<new_tag> 

docker tag webapps:v1  devopspatemf2021/twtech-web-app:latest

8.     Push an Image to Docker Hub

# docker push <repository/image_name>:<tag>

docker push devopspatemf2021/twtech-web-app:latest