Howto podman

install podman archlinux

install podman packages:

pacman -Syu podman podman-compose 

install podman centos/almalinux/rocky

install podman packages:

yum -y install podman

install podman-compose:

curl -o /usr/local/bin/podman-compose https://raw.githubusercontent.com/containers/podman-compose/devel/podman_compose.py
chmod +x /usr/local/bin/podman-compose

install podman debian/ubuntu

install podman packages:

apt-get -y install podman

install podman-compose:

curl -o /usr/local/bin/podman-compose https://raw.githubusercontent.com/containers/podman-compose/devel/podman_compose.py
chmod +x /usr/local/bin/podman-compose

commands

create container image:

podman build -f Dockerfile

list containers that are running or have exited:

podman ps -a

remove a container image by its image:

podman rmi docker.io/library/almalinux:8

pull container image from docker.io:

podman pull docker.io/library/almalinux:9

list all local images:

podman images

display information about how an image was built

podman history docker.io/library/almalinux:9

log in to a remote registry:

podman login registryURL -u username -p password

pull an image from a remote registry:

podman pull registry/username/image:tag

search local cache and remote registries for images:

podman search searchString

log out of the current remote registry

podman logout

private registry

compose file to create registry:

version: '3'

services:
  registry:
    image: registry:2
    ports:
    - "5000:5000"
    environment:
      REGISTRY_AUTH: htpasswd
      REGISTRY_AUTH_HTPASSWD_REALM: Registry
      REGISTRY_AUTH_HTPASSWD_PATH: /auth/registry.password
      REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY: /data
    volumes:
      - ./auth:/auth
      - ./data:/data

create password file:

podman run --rm -ti xmartlabs/htpasswd myusername mypassword > htpasswd