add README

Author: winlinvip

Diff for: README.md

@@ -0,0 +1,5 @@
+# Docker-SRS
+
+Docker for [SRS](https://github.com/ossrs/srs).
+
+Winlin, 2021.03

Diff for: auto/get_host_ip.sh

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+#!/bin/bash
+
+# Get host ip4 of interface eth0/en0/eth1.
+
+# For linux, eth0 inet.
+ifconfig eth0 >/dev/null 2>/dev/null && ip -4 addr show scope global dev eth0| grep inet| awk '{print $2}' && exit 0
+
+# For linux, eth1 inet.
+ifconfig eth1 >/dev/null 2>/dev/null && ip -4 addr show scope global dev eth1| grep inet| awk '{print $2}' && exit 0
+
+# For macOS, en0 inet.
+ifconfig en0 inet >/dev/null 2>/dev/null && ifconfig en0 inet| grep inet| awk '{print $2}' && exit 0
+
+echo "No IP found"
+exit 1