Kostiantyn Kalynovskyi 7c9dd85eeb Fix docker stdin write.
Without this commit airship can hang endlessly waiting for stdin
to be open. Apparently it depends on the containerd and docker
server version. This commit adds asnyc writing to stdin, this way
we don't have to wait for write to complete before starting docker
container. The code uses similar approach to upstream docker cli
implementation.

Related-To: #513

Change-Id: I2e6d4cbe37df1f8cba356af79c1c2cf18438e86c
2021-04-07 14:37:17 +00:00
..
2021-04-07 14:37:17 +00:00
2021-04-07 14:37:17 +00:00
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