Review Docker management (#1113)

* Review Docker management ( linked with #934 )

*  fix comment by @balloob

* Explicit remove of  package-lock.json

* moved on feature branch, merge docker scripts, added documetation

* Used alphine as requested by @balloob on https://github.com/home-assistant/home-assistant-polymer/pull/947 and followed the @mcspr comment https://github.com/home-assistant/home-assistant-polymer/issues/934

* Remove package-lock from gitignore, we don't use npm

* Update for new build instructions

script/docker_entrypoint.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+# Docker entry point inspired by travis build and script/build_frontend
+
+# Stop on errors
+set -e
+
+# Build the frontend but not used the npm run build
+/bin/bash script/build_frontend
+
+# TEST
+npm run test
+
+#
+#xvfb-run wct

script/docker_run.sh

@@ -0,0 +1,103 @@
+#!/bin/bash
+# Basic Docker Management scripts
+# With this script you can build software, or enter an agnostic development environment and run commands interactively.
+
+
+
+check_mandatory_tools(){
+  if [ "x$(which docker)" == "x" ]; then
+    echo "UNKNOWN - Missing docker binary! Are you sure it is installed and reachable?"
+    exit 3
+  fi
+
+  docker info > /dev/null 2>&1
+  if [ $? -ne 0 ]; then
+    echo "UNKNOWN - Unable to talk to the docker daemon! Maybe the docker daemon is not running"
+    exit 3
+  fi
+}
+
+check_dev_image(){
+  if [[ "$(docker images -q ${IMAGE_NAME}:$IMAGE_TAG 2> /dev/null)" == "" ]]; then
+    echo "UNKNOWN - Can't find the development docker image ${IMAGE_NAME}:$IMAGE_TAG"
+    while true; do
+      read -p "Do you want to create it now?" yn
+      case $yn in
+          [Yy]* ) create_image; break;;
+          [Nn]* ) exit 3;;
+          * ) echo "Please answer y or n";;
+      esac
+    done
+  fi
+}
+
+# Building the basic image for compiling the production frontend
+create_image(){
+  docker build -t ${IMAGE_NAME}:${IMAGE_TAG} .
+}
+
+#
+# Execute interactive bash on basic image
+#
+run_bash_on_docker(){
+
+  check_dev_image
+
+  docker run -it \
+    -v $PWD/:/frontend/ \
+    -v /frontend/node_modules \
+    -v /frontend/bower_components \
+    ${IMAGE_NAME}:${IMAGE_TAG} /bin/bash
+}
+
+#
+# Execute the basic image for compiling the production frontend
+#
+build_all(){
+
+  check_dev_image
+
+  docker run -it \
+    -v $PWD/:/frontend/ \
+    -v /frontend/node_modules \
+    -v /frontend/bower_components \
+    ${IMAGE_NAME}:${IMAGE_TAG} /bin/bash script/build_frontend
+
+}
+
+# Init Global Variable
+IMAGE_NAME=home_assistant_fe_image
+IMAGE_TAG=${2:-latest}
+
+check_mandatory_tools
+
+case "$1" in
+    setup_env)
+            create_image
+            ;;
+    bash)
+            run_bash_on_docker
+            ;;
+    build)
+            build_all
+            ;;
+    *)
+            echo "NAME"
+            echo " Docker Management."
+            echo ""
+            echo "SYNOPSIS"
+            echo "  ${0} command [version]"
+            echo ""
+            echo "DESCRIPTION"
+            echo " With this script you can build software, or enter an agnostic development environment and run commands interactively."
+            echo ""
+            echo " The command are:"
+            echo "   setup_env    Create develop images"
+            echo "   bash         Run bash on develop enviroments"
+            echo "   build        Run silent build"
+            echo ""
+            echo " The version is optional, if not inserted it assumes \"latest\". "
+            exit 1
+            ;;
+esac
+exit 0