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| author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2020-08-26 09:16:06 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-08-26 09:16:06 -0400 |
| commit | 3a9d5248ac65358e7a4f123c2cdbe93584084d6a (patch) | |
| tree | c20774d8cf355fdd6abdf3d2685780ba9d9c0d5d /docs/source | |
| parent | 6a069446fbb23d7fd16ce14305fda1a7b2b8f925 (diff) | |
| parent | 65b8bf795b22dac1c63bdb2e8878497bf74ce8a5 (diff) | |
| download | podman-3a9d5248ac65358e7a4f123c2cdbe93584084d6a.tar.gz podman-3a9d5248ac65358e7a4f123c2cdbe93584084d6a.tar.bz2 podman-3a9d5248ac65358e7a4f123c2cdbe93584084d6a.zip | |
Merge pull request #7364 from TomSweeneyRedHat/dev/tsweeney/exposeport
Note port publishing needs in pods for create/run
Diffstat (limited to 'docs/source')
| -rw-r--r-- | docs/source/markdown/podman-create.1.md | 8 | ||||
| -rw-r--r-- | docs/source/markdown/podman-run.1.md | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md index 2b5e86637..2f59f8a09 100644 --- a/docs/source/markdown/podman-create.1.md +++ b/docs/source/markdown/podman-create.1.md @@ -652,6 +652,14 @@ Host port does not have to be specified (e.g. `podman run -p 127.0.0.1::80`). If it is not, the container port will be randomly assigned a port on the host. Use `podman port` to see the actual mapping: `podman port CONTAINER $CONTAINERPORT` +**Note:** if a container will be run within a pod, it is not necessary to publish the port for +the containers in the pod. The port must only be published by the pod itself. Pod network +stacks act like the network stack on the host - you have a variety of containers in the pod, +and programs in the container, all sharing a single interface and IP address, and +associated ports. If one container binds to a port, no other container can use that port +within the pod while it is in use. Containers in the pod can also communicate over localhost +by having one container bind to localhost in the pod, and another connect to that port. + **--publish-all**, **-P**=*true|false* Publish all exposed ports to random ports on the host interfaces. The default is *false*. diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md index 4449b53fc..c86090167 100644 --- a/docs/source/markdown/podman-run.1.md +++ b/docs/source/markdown/podman-run.1.md @@ -666,6 +666,14 @@ If it is not, the container port will be randomly assigned a port on the host. Use **podman port** to see the actual mapping: **podman port $CONTAINER $CONTAINERPORT**. +**Note:** if a container will be run within a pod, it is not necessary to publish the port for +the containers in the pod. The port must only be published by the pod itself. Pod network +stacks act like the network stack on the host - you have a variety of containers in the pod, +and programs in the container, all sharing a single interface and IP address, and +associated ports. If one container binds to a port, no other container can use that port +within the pod while it is in use. Containers in the pod can also communicate over localhost +by having one container bind to localhost in the pod, and another connect to that port. + **--publish-all**, **-P**=**true**|**false** Publish all exposed ports to random ports on the host interfaces. The default is **false**. |