adding dockerfile

Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+# Install curl for healthcheck
+RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
+
+# Install dependencies first (layer cache optimization)
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy all application code
+COPY . .
+
+# Port 8000 is required by hackathon infrastructure
+EXPOSE 8000
+
+# Health check — hackathon automated ping requires this to return 200
+HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# Single worker — environment is 2vCPU, multi-worker causes resource issues
+CMD ["uvicorn", "env.server:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]