Auto-commit: Dockerfile updated

Dockerfile

@@ -1,49 +1,64 @@
-# Multi-Language Code Execution Sandbox - Secure Docker Container
-FROM python:3.11-slim
+# ============================================================
+# LANDRUN SANDBOX - Kernel-level Linux Security
+# Multi-stage build: Build landrun + Run FastAPI app
+# ============================================================
 
-# Install system dependencies for multiple languages and security tools
+# Stage 1: Build landrun binary from Go source
+FROM golang:1.22-bookworm AS builder
+
+WORKDIR /build
+
+# Copy landrun source
+COPY landrun-main/ ./
+
+# Build landrun
+RUN cd cmd/landrun && \
+    go build -ldflags="-s -w" -o /usr/local/bin/landrun main.go
+
+# Stage 2: Production image with Python + landrun
+FROM python:3.11-slim-bookworm
+
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
-    # Node.js & npm for React/JavaScript
-    nodejs npm \
-    # Build tools
-    build-essential \
-    gcc g++ \
-    # Security: Run as non-root user
-    sudo \
-    # Cleanup
+    nodejs \
+    npm \
+    curl \
+    procps \
+    strace \
     && rm -rf /var/lib/apt/lists/*
 
-# Create non-root user for sandbox execution
-RUN useradd -m -u 1000 -s /bin/bash sandbox && \
-    echo "sandbox ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
+# Copy landrun binary from builder
+COPY --from=builder /usr/local/bin/landrun /usr/local/bin/landrun
+
+# Verify landrun works
+RUN landrun --version
 
 # Set working directory
 WORKDIR /app
 
-# Copy requirements and install Python dependencies
-COPY requirements.txt /app/requirements.txt
-RUN pip install --no-cache-dir -r requirements.txt
+# Copy Python requirements
+COPY requirements.txt .
 
-# Install React dependencies globally
-RUN npm install -g react react-dom
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application code
-COPY app.py /app/app.py
+COPY app.py .
 
-# Create execution directory with restricted permissions
-RUN mkdir -p /sandbox && \
-    chown sandbox:sandbox /sandbox && \
-    chmod 755 /sandbox
+# Create execution directory
+RUN mkdir -p /tmp/sandbox && chmod 777 /tmp/sandbox
 
-# Switch to non-root user
-USER sandbox
-
-# Expose port 7860
+# Expose port for Hugging Face Spaces
 EXPOSE 7860
 
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+ENV HOST=0.0.0.0
+ENV PORT=7860
+
 # Health check
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
-  CMD python -c "import requests; requests.get('http://localhost:7860/health')" || exit 1
+    CMD curl -f http://localhost:7860/health || exit 1
 
-# Run the application
-CMD ["python", "app.py"]
+# Run FastAPI with uvicorn
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]