Update Dockerfile

Dockerfile

@@ -1,5 +1,4 @@
-# CustomerSupportEnv — Dockerfile
-# Compatible with Hugging Face Spaces (port 7860)
+# CustomerSupportEnv — OpenEnv-Compatible Docker Image
 # Build: docker build -t customer-support-env .
 # Run:   docker run -p 7860:7860 customer-support-env
 
@@ -8,9 +7,10 @@ FROM python:3.11-slim
 LABEL maintainer="openenv-submission"
 LABEL description="CustomerSupportEnv — OpenEnv-compatible customer support RL environment"
 
-# System deps
+# System dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
     curl \
+    gcc \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
@@ -19,17 +19,18 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy source
+# Copy source code
 COPY . .
 
 # Create non-root user (HF Spaces requirement)
 RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
 USER appuser
 
-# Health check
+# Health check (checks FastAPI /health endpoint)
 HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
     CMD curl -f http://localhost:7860/health || exit 1
 
 EXPOSE 7860
 
-CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "7860"]
+# Run the FastAPI server
+CMD ["python", "server.py"]