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Add section about current differences

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There are some differences in behaviour between docker and podman which should be documented to help developers while transitioning.

Signed-off-by: Roland Sommer <rol@ndsommer.de>
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Roland Sommer
2020-09-28 12:58:41 +02:00
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@@ -89,6 +89,14 @@ There are other equivalents for these tools
**** Use mount to take advantage of the entire linux tool chain rather then just cp. Read [`here`](./docs/podman-cp.1.md) for more information.
## Behavioural differences and pitfalls
These commands behave different from Docker:
| Command | Description |
| :--- | :--- |
| `podman volume create` | While `docker volume create` is idempotent, `podman volume create` raises an error if the volume does already exist. See this [docker issue](https://github.com/moby/moby/issues/16068) on that.|
## Missing commands in podman
Those Docker commands currently do not have equivalents in `podman`: