docker commands

1. remove all <none> images

   • podman rmi `docker images | grep  '<none>' | awk '{print $3}'`
     

2. remove all stopped containers

   • podman container prune
     # podman container prune -a
     

3. remove all docker images not used

   • podman image prune
     #crictl rmi --prune
     

4. remove all docker images not referenced by any container

   • podman image prune -a
     

5. generate htpasswd file

   • docker run --rm wangz2019/jiuying-htpasswd:1.2.0 my-username my-password > htpasswd
     

6. generate gradle projects

   • docker run --rm \
         -v $(pwd):/app \
         -w /app \
         docker.io/gradle:8.4.0-jdk11-focal \
         gradle init \
             --dsl kotlin \
             --type java-application \
             --project-name hello-world \
             --package com.example.helloworld \
             --test-framework junit-jupiter
     

7. find ip address of a container

   • podman inspect --format='{{.NetworkSettings.IPAddress}}' minio-server