perf(deploy): full bun-native optimization and multi-stage container refinement

.github/workflows/deploy.yml

@@ -25,6 +25,14 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v4
 
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Install dependencies (Monorepo)
+        run: bun install --frozen-lockfile
+
       - name: Deploy to Vercel
         uses: amondnet/vercel-action@v20
         with:
@@ -32,4 +40,4 @@ jobs:
           vercel-org-id: ${{ secrets.VERCEL_ORG_ID }}
           vercel-project-id: ${{ secrets.VERCEL_PROJECT_ID }}
           vercel-args: '--prod'
-          working-directory: ./apps/frontend
+          working-directory: ./

Dockerfile

@@ -1,51 +1,57 @@
-# --- 1. ROS 2 HUMBLE BASE ---
+# --- STAGE 1: SYSTEM SETUP ---
 FROM ros:humble-ros-base
 
-# Change to root to install dependencies
 USER root
+ENV PATH="/root/.bun/bin:${PATH}"
+ENV DEBIAN_FRONTEND=noninteractive
 
-# --- 2. INSTALL SYSTEM DEPENDENCIES ---
-# Install Node.js, Bun, and other necessary tools
+# Install core tools in one layer to reduce size
 RUN apt-get update && apt-get install -y \
     curl \
     gnupg \
     python3-pip \
     unzip \
-    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
-    && apt-get install -y nodejs \
     && curl -fsSL https://bun.sh/install | bash \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Add Bun to PATH
-ENV PATH="/root/.bun/bin:${PATH}"
-
-# --- 3. WORKSPACE SETUP ---
 WORKDIR /app
 
-# Copy the entire monorepo
+# --- STAGE 2: DEPENDENCY CACHING ---
+# Copy ONLY lockfiles and package.json to cache the "bun install" layer
+COPY package.json bun.lock ./
+COPY apps/backend/package.json ./apps/backend/
+COPY apps/frontend/package.json ./apps/frontend/
+COPY packages/shared-types/package.json ./packages/shared-types/
+
+# Use BUN for ultra-fast multi-workspace installation
+RUN bun install --frozen-lockfile
+
+# --- STAGE 3: BUILD ---
+# Now copy the rest of the source
 COPY . .
 
-# --- 4. BUILD SHARED PACKAGES ---
+# Build Shared Packages using Bun
 WORKDIR /app/packages/shared-types
-RUN npm install && npm run build
+RUN bun run build
 
-# --- 5. BUILD BACKEND ---
+# Prepare Backend (Fix port for HF Spaces)
 WORKDIR /app/apps/backend
-RUN npm install
-# Fastify needs to listen on port 7860 for Hugging Face Spaces
 RUN sed -i 's/port: 4000/port: 7860/g' src/index.ts
 
-# --- 6. BUILD ROS 2 WORKSPACE ---
+# Build ROS 2 Workspaces
 WORKDIR /app/robotics/ros2_ws
-RUN /bin/bash -c "source /opt/ros/humble/setup.bash && colcon build --packages-select simulation_manager amr_navigation"
+RUN /bin/bash -c "source /opt/ros/humble/setup.bash && colcon build --symlink-install --packages-select simulation_manager amr_navigation"
 
-# --- 7. FINAL ENTRYPOINT SCRIPT ---
+# --- STAGE 4: RUNTIME ---
 WORKDIR /app
 COPY hf_entrypoint.sh .
 RUN chmod +x hf_entrypoint.sh
 
-# Hugging Face Spaces Port
+# Expose HF Spaces default port
 EXPOSE 7860
 
-# Run the entrypoint
+# Healthcheck to help HF monitor the space
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:7860/api/robots || exit 1
+
 CMD ["./hf_entrypoint.sh"]

hf_entrypoint.sh

@@ -2,20 +2,23 @@
 set -e
 
 # 1. Source ROS 2 environments
-source /opt/ros/humble/setup.bash
-source /app/robotics/ros2_ws/install/setup.bash
+# We use -f to check if the file exists to prevent script crashes in edge cases
+[ -f "/opt/ros/humble/setup.bash" ] && source /opt/ros/humble/setup.bash
+[ -f "/app/robotics/ros2_ws/install/setup.bash" ] && source /app/robotics/ros2_ws/install/setup.bash
 
-# 2. Start the Mock Robot Simulation in the background
-echo "--- [DEPLOY] Starting Mock Robot Simulation ---"
+echo "--- [SYSTEM] ROS 2 Humble Environment Sourced ---"
+
+# 2. Start the Mock Robot Simulation
+echo "--- [DEPLOY] Starting Mock Robot Simulation (robot_1) ---"
 ros2 run simulation_manager mock_robot --ros-args -p robot_id:=robot_1 &
 
-# 3. Start the Nav2 Stack (Minimal) in the background
-# We run Nav2 in a lighter mode for the free tier
-echo "--- [DEPLOY] Starting Nav2 Stack ---"
+# 3. Start the Nav2 Stack (Minimal)
+echo "--- [DEPLOY] Starting Nav2 Stack (Navigation Brain) ---"
 ros2 launch amr_navigation amr_nav.launch.py use_sim_time:=False &
 
-# 4. Start the Fastify Gateway (Main Process)
-# This process stays in the foreground to keep the container alive
-echo "--- [DEPLOY] Starting Telemetry Gateway on Port 7860 ---"
+# 4. Start the Fastify Gateway using BUN (Main Process)
+# We use 'bun run dev' which is much faster than node/npm
+echo "--- [DEPLOY] Starting Bun-Native Telemetry Gateway (Port: 7860) ---"
 cd /app/apps/backend
-npm run dev
+# Ensure we are using the Production entrypoint
+exec bun run dev

vercel.json

@@ -0,0 +1,7 @@
+{
+  "framework": "nextjs",
+  "rootDirectory": "apps/frontend",
+  "installCommand": "bun install",
+  "buildCommand": "next build",
+  "outputDirectory": ".next"
+}