Add a shared runtime aware host

And use it in dotnet-compile

scripts/dockerrun.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+done
+DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+
+source "$DIR/_common.sh"
+
+cd $DIR/..
+
+[ -z "$DOTNET_BUILD_CONTAINER_TAG" ] && DOTNET_BUILD_CONTAINER_TAG="dotnetcli-build"
+[ -z "$DOTNET_BUILD_CONTAINER_NAME" ] && DOTNET_BUILD_CONTAINER_NAME="dotnetcli-build-container"
+[ -z "$DOCKER_HOST_SHARE_DIR" ] && DOCKER_HOST_SHARE_DIR=$(pwd)
+
+# Enter the container
+docker run -it --rm --sig-proxy=true \
+    -v $DOCKER_HOST_SHARE_DIR:/opt/code \
+    $DOTNET_BUILD_CONTAINER_TAG