Added LTS versions of node container defs

Author: Chuxel

containers/docker-existing-docker-compose/.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-    "name": "Extend an Existing Docker Compose",
+    "name": "Existing Docker Compose (Extend)",
 
     "// Update the 'dockerComposeFile' list if you have more compose files or use different names.":"",
     "// The .devcontainer/docker-compose.yml file contains any overrides you need/want to make.":"",

containers/docker-existing-dockerfile/.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-    "name": "Reuse an Existing Dockerfile",
+    "name": "Existing Dockerfile",
 
     "// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.":"",
 

containers/docker-existing-dockerfile/README.md

@@ -1,4 +1,4 @@
-# Reusean Existing Dockerfile
+# Existing Dockerfile
 
 ## Summary
 

containers/docker-in-docker-compose/.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-    "name": "Docker-in-Docker Compose",
+    "name": "Docker in Docker Compose",
     "dockerComposeFile": ".devcontainer/docker-compose.yml",
     "service": "docker-in-docker",
     "workspaceFolder": "/workspace",

containers/dotnetcore-2.2-fsharp/README.md

@@ -1,4 +1,4 @@
-# F#
+# F# (.NET Core 2.2)
 
 ## Summary
 

containers/dotnetcore-2.2/README.md

@@ -1,4 +1,4 @@
-# .NET Core v2.2
+# .NET Core 2.2
 
 ## Summary
 

containers/java-8-maven/README.md

@@ -1,4 +1,4 @@
-# Java v8 and Maven
+# Java 8 & Maven
 
 ## Summary
 

containers/javascript-node-8-yarn/.devcontainer/Dockerfile

@@ -0,0 +1,22 @@
+#-----------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See LICENSE in the project root for license information.
+#-----------------------------------------------------------------------------------------
+
+FROM node:8-slim
+
+# Install yarn and git
+RUN apt-get update \
+    && apt-get install -y apt-transport-https \
+    && curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
+    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
+    && apt-get update \
+    && apt-get install -y yarn git
+
+# Install eslint
+RUN npm install -g eslint
+
+# Clean up
+RUN apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*

containers/javascript-node-8-yarn/.devcontainer/devcontainer.json

@@ -0,0 +1,8 @@
+{
+	"name": "Node.js 8 & Yarn",
+	"dockerFile": ".devcontainer/Dockerfile",
+	"appPort": 3000,
+	"extensions": [
+		"dbaeumer.vscode-eslint"
+	]
+}