add docker.host.internal to /etc/hosts

Author: ChristianKniep

init-plain/opt/entry/11-host-internal.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+function fix_linux_internal_host() {
+  DOCKER_INTERNAL_HOST="host.docker.internal"
+
+  if ! grep $DOCKER_INTERNAL_HOST /etc/hosts > /dev/null ; then
+    DOCKER_INTERNAL_IP=`/sbin/ip route|awk '/default/ { print $3 }'`
+    echo -e "$DOCKER_INTERNAL_IP\t$DOCKER_INTERNAL_HOST" | tee -a /etc/hosts > /dev/null
+    echo 'Added $DOCKER_INTERNAL_HOST to hosts /etc/hosts'
+  fi
+}
+
+fix_linux_internal_host