Little tweaks to make it work... In a devcontainer anyway....

.devcontainer/Dockerfile

@@ -1,13 +1,21 @@
-FROM node:18-bullseye
+FROM node:14-bullseye
 
-# Install additional tools including Ionic CLI
+# Install additional tools including Ionic CLI and build dependencies for older projects
 RUN apt-get update && apt-get install -y \
     git \
     curl \
     vim \
-    mongodb-clients \
+    python2.7 \
+    python2.7-dev \
+    build-essential \
+    && ln -sf /usr/bin/python2.7 /usr/bin/python \
+    && ln -sf /usr/bin/python2.7 /usr/bin/python2 \
     && rm -rf /var/lib/apt/lists/*
 
+# Install MongoDB shell via npm (works on all architectures)
+# Note: mongosh requires Node 18+, but we're using Node 14 for legacy compatibility
+# We'll use the mongo command from the mongo container instead
+
 # Install global npm packages for development
 RUN npm install -g \
     @ionic/cli \
@@ -18,17 +26,18 @@ RUN npm install -g \
     prettier
 
 # Set working directory
-WORKDIR /workspaces/PfosiLooking
+WORKDIR /workspaces/PfosiLooking-monorepo
 
 # Copy package files for dependency caching
 COPY package*.json ./
 COPY app/package*.json ./app/
 COPY backend/package*.json ./backend/
 
-# Install dependencies
-RUN npm install
-RUN cd app && npm install
-RUN cd backend && npm install
+# Install dependencies separately to avoid node-sass issues during build
+# We'll install them after container starts
+# RUN npm install
+# RUN cd app && npm install  
+# RUN cd backend && npm install
 
 # Keep container running
 CMD ["sleep", "infinity"]

.devcontainer/devcontainer.json

@@ -2,11 +2,11 @@
   "name": "PfosiLooking Full Stack",
   "dockerComposeFile": "docker-compose.yml",
   "service": "app",
-  "workspaceFolder": "/workspaces/PfosiLooking",
+  "workspaceFolder": "/workspaces/PfosiLooking-monorepo",
   "shutdownAction": "stopCompose",
   "features": {
     "ghcr.io/devcontainers/features/node:1": {
-      "version": "18"
+      "version": "14"
     },
     "ghcr.io/devcontainers/features/git:1": {},
     "ghcr.io/devcontainers/features/github-cli:1": {}
@@ -28,7 +28,7 @@
         "editor.formatOnSave": true,
         "editor.defaultFormatter": "esbenp.prettier-vscode",
         "editor.codeActionsOnSave": {
-          "source.fixAll.eslint": true
+          "source.fixAll.eslint": "explicit"
         },
         "emmet.includeLanguages": {
           "javascript": "javascriptreact"
@@ -55,6 +55,6 @@
       "onAutoForward": "notify"
     }
   },
-  "postCreateCommand": "npm install && cd app && npm install && cd ../backend && npm install",
-  "postStartCommand": "npm run dev:all"
+  "postCreateCommand": ".devcontainer/postCreateCommand.sh",
+  "postStartCommand": "echo 'DevContainer ready! Run npm run dev:all to start development.'"
 }

.devcontainer/docker-compose.yml

@@ -7,8 +7,8 @@ services:
       dockerfile: .devcontainer/Dockerfile
     volumes:
       - ../..:/workspaces:cached
-      - /workspaces/PfosiLooking/app/node_modules
-      - /workspaces/PfosiLooking/backend/node_modules
+      - /workspaces/PfosiLooking-monorepo/app/node_modules
+      - /workspaces/PfosiLooking-monorepo/backend/node_modules
     command: sleep infinity
     environment:
       - NODE_ENV=development

.devcontainer/postCreateCommand.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+echo "Setting up PfosiLooking monorepo dependencies..."
+echo "Using Node version: $(node --version)"
+
+# Install root dependencies first
+echo "Installing root dependencies..."
+npm install
+
+echo "Installing backend dependencies..."
+cd backend && npm install
+cd ..
+
+echo "Installing app dependencies (Ionic 3 with legacy packages)..."
+cd app
+
+# For Node 14 and older Ionic 3 projects, we need special handling
+echo "Installing with legacy peer dependencies support..."
+if npm install --legacy-peer-deps; then
+    echo "App dependencies installed successfully!"
+else
+    echo "Standard install failed, trying alternative approach..."
+    # Try with force flag as last resort for very old packages
+    npm install --legacy-peer-deps --force
+fi
+
+cd ..
+
+echo "All dependencies installed successfully!"
+echo "You can now start development with: npm run dev:all"