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Restrict to only a single IP #4

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551b009
Only allow a single IP to access the remote API
vHanda Jun 7, 2019
bce8f55
README: Give the container a name
vHanda Jun 7, 2019
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3 changes: 2 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -4,4 +4,5 @@ RUN apk update && apk add socat

EXPOSE 2375

CMD socat TCP-LISTEN:2375,reuseaddr,fork UNIX-CLIENT:/var/run/docker.sock
COPY run.sh /
ENTRYPOINT ["/run.sh"]
4 changes: 3 additions & 1 deletion readme.md
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@@ -1,4 +1,6 @@
Makes the Docker Remote API available via port 2375.

Start with:
`docker run -p 2375:2375 -v /var/run/docker.sock:/var/run/docker.sock jarkt/docker-remote-api`
`docker run -d -p 2375:2375 --name docker_remote_api -v /var/run/docker.sock:/var/run/docker.sock vhanda/docker-remote-api ALLOWED_IP`

Where `ALLOWED_IP` is the only IP which can connect to this machine.
12 changes: 12 additions & 0 deletions run.sh
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@@ -0,0 +1,12 @@
#!/usr/bin/env sh

if [ -z "$1" ]; then
echo "First parameter must be the allowed IP"
exit 1
fi

set -eu
ALLOWED_IP=$1

echo "Starting Docker Remote API for IP $ALLOWED_IP"
socat TCP-LISTEN:2375,reuseaddr,fork,range=${ALLOWED_IP}/32 UNIX-CLIENT:/var/run/docker.sock