vscode devcontainer attempt 1

.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:12

.devcontainer/devcontainer.json

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+{
+    "name": "Writer app",
+    "dockerFile": "Dockerfile",
+    // Use 'appPort' to create a container with published ports. If the port isn't working, be sure
+    // your server accepts connections from all interfaces (0.0.0.0 or '*'), not just localhost.
+    "appPort": [
+        1234, 3000
+    ],
+    // Use 'settings' to set *default* container specific settings.json values on container create. 
+    // You can edit these settings after create using File > Preferences > Settings > Remote.
+    "settings": {
+        "terminal.integrated.shell.linux": "/bin/zsh"
+    },
+    // Specifies a command that should be run after the container has been created.
+    "postCreateCommand": "npm i && cd frontend && npm i",
+}

.devcontainer/docker-compose.yml

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+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+
+version: '3'
+services:
+  app:
+    # Uncomment the next line to use a non-root user for all processes. You can also
+    # simply use the "remoteUser" property in devcontainer.json if you just want VS Code
+    # and its sub-processes (terminals, tasks, debugging) to execute as the user. On Linux,
+    # you may need to update USER_UID and USER_GID in .devcontainer/Dockerfile to match your
+    # user if not 1000. See https://aka.ms/vscode-remote/containers/non-root for details.
+    # user: node
+
+    build: 
+      context: .
+      dockerfile: Dockerfile
+          
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    links:
+      - db
+
+  db:
+    image: mariadb
+    restart: unless-stopped
+    ports: 
+      - 3306:3306
+    environment:
+      MYSQL_PASSWORD: writer
+      MYSQL_USER: writer
+      MYSQL_DATABASE: writer
+      MYSQL_ROOT_PASSWORD: writerroot