chore(devcontainer): optimize prebuilt image performance (#328)

* fix(devcontainer): add workspace mount to docker-compose

- add explicit workspace mount ../:/workspaces/SimpleAccounts-UAE
- use fixed workspace path instead of variable
- fixes 'lstat /workspaces/content: no such file or directory' error

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore(devcontainer): optimize prebuilt image performance

- Bake Playwright system dependencies into Dockerfile
- Combine apt-get layers for efficiency
- Pre-cache Maven and NPM dependencies during build
- Update post-create.sh to utilize pre-seeded caches

---------

Co-authored-by: Mohsin Hashmi <mhashmi@wiser.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: nazia-datainn <nazia@datainn.io>

Author: 4 people

.devcontainer/Dockerfile

@@ -11,34 +11,39 @@ RUN su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${N
 # INSTALL TOOLS (baked in for faster startup)
 # ============================================
 
-# Install Docker CLI and Docker Compose
+# SimpleAccounts-UAE Development Container
+# Base image with Node 20 and Java 21 for full-stack development
+
+FROM mcr.microsoft.com/devcontainers/java:21-bookworm
+
+# Install Node.js 20
+ARG NODE_VERSION="20"
+RUN su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"
+
+# ============================================
+# INSTALL TOOLS (baked in for faster startup)
+# ============================================
+
+# Install Docker CLI, Docker Compose, GitHub CLI, and System Dependencies
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y install --no-install-recommends \
         apt-transport-https \
         ca-certificates \
         curl \
         gnupg \
         lsb-release \
+    # Docker Setup
     && curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg \
     && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list \
-    && apt-get update \
-    && apt-get -y install --no-install-recommends docker-ce-cli docker-compose-plugin \
-    && apt-get clean -y && rm -rf /var/lib/apt/lists/*
-
-# Install GitHub CLI
-RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
+    # GitHub CLI Setup
+    && curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
     && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
     && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" > /etc/apt/sources.list.d/github-cli.list \
     && apt-get update \
-    && apt-get -y install --no-install-recommends gh \
-    && apt-get clean -y && rm -rf /var/lib/apt/lists/*
-
-# ============================================
-# INSTALL SYSTEM DEPENDENCIES
-# ============================================
-
-RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y install --no-install-recommends \
+        docker-ce-cli \
+        docker-compose-plugin \
+        gh \
         postgresql-client \
         redis-tools \
         chromium \
@@ -60,6 +65,27 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
         libxfixes3 \
         libxrandr2 \
         xdg-utils \
+        # Playwright / WebKit / Firefox dependencies
+        gstreamer1.0-libav \
+        gstreamer1.0-plugins-bad \
+        gstreamer1.0-plugins-base \
+        gstreamer1.0-plugins-good \
+        hunspell-en-us \
+        libavcodec59 \
+        libavformat59 \
+        libavutil57 \
+        libenchant-2-2 \
+        libsecret-1-0 \
+        libhyphen0 \
+        libmanette-0.2-0 \
+        libgles2 \
+        libopus0 \
+        libwebpdemux2 \
+        libwoff1 \
+        libharfbuzz-icu0 \
+        libevdev2 \
+        libnotify4 \
+        libflite1 \
     && apt-get clean -y && rm -rf /var/lib/apt/lists/*
 
 # Set Playwright to use system Chromium
@@ -69,7 +95,33 @@ ENV PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH=/usr/bin/chromium
 # Install global npm packages
 RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g npm@latest" 2>&1
 
-# Set working directory
+# ============================================
+# PRE-CACHE DEPENDENCIES
+# ============================================
+
+USER vscode
+
+# Pre-cache Maven dependencies
+# Copy pom.xml files (and parent poms if needed) to a temp directory
+WORKDIR /tmp/backend
+COPY --chown=vscode:vscode apps/backend/pom.xml .
+# Run go-offline to download dependencies to ~/.m2/repository
+RUN mvn dependency:go-offline -B -q
+
+# Pre-cache NPM dependencies
+WORKDIR /tmp/root
+COPY --chown=vscode:vscode package.json package-lock.json ./
+RUN . /usr/local/share/nvm/nvm.sh && npm ci --ignore-scripts
+
+WORKDIR /tmp/frontend
+COPY --chown=vscode:vscode apps/frontend/package.json apps/frontend/package-lock.json ./
+RUN . /usr/local/share/nvm/nvm.sh && npm ci --legacy-peer-deps --ignore-scripts
+
+# Clean up temp directories
+USER root
+RUN rm -rf /tmp/backend /tmp/root /tmp/frontend
+
+# Reset working directory
 WORKDIR /workspaces
 
 # Default command

.devcontainer/post-create.sh

@@ -7,18 +7,18 @@ echo "🚀 Setting up SimpleAccounts-UAE development environment..."
 
 # Install root dependencies
 echo "📦 Installing root npm dependencies..."
-npm install
+npm ci --prefer-offline
 
 # Install frontend dependencies
 echo "📦 Installing frontend dependencies..."
 cd apps/frontend
-npm install --legacy-peer-deps
+npm ci --legacy-peer-deps --prefer-offline
 cd ../..
 
 # Install Playwright browsers (using system Chromium)
 echo "🎭 Setting up Playwright..."
 cd apps/frontend
-npx playwright install-deps 2>/dev/null || true
+# npx playwright install-deps 2>/dev/null || true  <-- Dependencies now in Dockerfile
 cd ../..
 
 # Download Maven dependencies