ZiTAL/podman.md

## podman.md

      
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              podman.md
            
          
    podman


add container sources to download from

echo "unqualified-search-registries = ['docker.io', 'ghrc.io', 'quay.io']" > .config/containers/registries.conf


search container

podman search busybox


download container

podman pull docker.io/library/busybox


run container

podman run -it 9211bbaa0dbd


show all running containers:

podman ps


show all containers:

podman ps -a


download nginx

podman pull docker.io/library/nginx


run custom nginx

podman run --name pdm-nginx -p 8080:80 nginx


container name: --name pdm-nginx
-p 8080:80: map containers 80 port to localhost 8080 port
nginx: image name to build container


inspect container

podman inspect pdm-nginx


create a node script in a folder:

mkdir -p /home/projects/pdm-node
cd /home/projects/pdm-node
nano index.js

const http = require('http');

const server = http.createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/html' });
  res.end('Hello, podman');
});

const port = 8080;

server.listen(port, () => {
  console.log(`Server running at http://localhost:${port}/`);
});


create Dockerfile

FROM node:18

WORKDIR /app

COPY index.js .

EXPOSE 8080

CMD ["node", "index.js"]


build the custom image

podman build -t pdm-node .


run custom image

podman run --name pdm-node -p 8080:8080 pdm-node:latest


stop custom image

podman ps
podman CONTAINERID stop


start custom image

podman start pdm-node


register to docker hub:
https://hub.docker.com


login docker hub:


podman login docker.io


build image to upload

podman build -t zital/pdm-node .


show the new image in image listen

podman images


publish image to docker.io

podman push zital/pdm-node


check the image published online

https://hub.docker.com/r/zital/pdm-node


search image in repository

podman search pdm-node


pod help

podman pod --help


podman create pod

podman pod create --name pdm-node-pod


podman list pods:

podman pod ls


list all containers including pods: there is a "pause" default container inside the empty pod

podman ps -a --pod


add container to pod

podman run -dt --pod pdm-node-pod pdm-node


check the container inside the pod

podman ps -a --pod


stop container inside the pod

podman stop vibrant_goldwasser


check it in the list

podman ps --pod


start the container

podman start vibrant_goldwasser


check it in the list

podman ps --pod


remove container inside the pod

podman rm vibrant_goldwasser


because of the container is running, we can remove it

podman stop vibrant_goldwasser


remove container inside the pod

podman rm vibrant_goldwasser


show all containers

podman ps -a --pod


list pods

podman pod ls


stop a pod

podman pod stop pdm-node-pod


list pods

podman pod ls


start pod

podman pod start pdm-node-pod


stop pod

podman pod stop pdm-node-pod


remove pod

podman pod rm pdm-node-pod


create a pod

podman pod create --name pdm-node-pod


add container to pod

podman run -dt --pod pdm-node-pod pdm-node


check it

podman pod ls


create kurbenetes YAML manifest config file

podman generate kube pdm-node-pod > pdm-node.yml


delete pod

podman pod stop pdm-node-pod
podman pod rm pdm-node-pod


create pod via kurbenetes config file

podman play kube pdm-node.yml


list pods

podman ps --pod


test url

curl localhost:8080