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I'm trying to move from Docker to Podman and from Docker Compose to Podman's kube play. In all places that I read regarding communication between two rootless containers in the same pod [1, 2, 3], the recommendation is to use localhost. This works as expected. I tried to use the name of the container instead of localhost and it also work. For example, consider play.yml as
run podman exec nginx-busybox-busybox wget localhost -O -
run podman exec nginx-busybox-busybox wget nginx -O -
Both podman exec returns
Connecting to nginx (10.89.0.5:80)
writing to stdout
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
- 100% |********************************| 615 0:00:00 ETA
written to stdout
What is the reason to use localhost instead of the name of the container? Thanks for the help.
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I'm trying to move from Docker to Podman and from Docker Compose to Podman's
kube play. In all places that I read regarding communication between two rootless containers in the same pod [1, 2, 3], the recommendation is to uselocalhost. This works as expected. I tried to use the name of the container instead oflocalhostand it also work. For example, considerplay.ymlaspodman kube play --replace mwe.ymlpodman exec nginx-busybox-busybox wget localhost -O -podman exec nginx-busybox-busybox wget nginx -O -Both
podman execreturnsWhat is the reason to use
localhostinstead of the name of the container? Thanks for the help.Beta Was this translation helpful? Give feedback.
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