fix: simplify Dockerfile for HuggingFace Spaces

Use python:3.11-slim base image instead of custom base.
This ensures compatibility with HuggingFace infrastructure.

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

Dockerfile

@@ -1,68 +1,37 @@
-ARG BASE_IMAGE=ghcr.io/meta-pytorch/openenv-base:latest
-FROM ${BASE_IMAGE} AS builder
+FROM python:3.11-slim
 
 WORKDIR /app
 
-# Ensure git is available (required for installing dependencies from VCS)
+# Install system dependencies
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends git && \
+    apt-get install -y --no-install-recommends git curl && \
     rm -rf /var/lib/apt/lists/*
 
-# Build argument to control whether we're building standalone or in-repo
-ARG BUILD_MODE=in-repo
-ARG ENV_NAME=search_env
+# Install uv for faster package management
+RUN curl -LsSf https://astral.sh/uv/install.sh | sh && \
+    mv /root/.local/bin/uv /usr/local/bin/uv
 
-# Copy environment code (always at root of build context)
-COPY . /app/env
+# Copy project files
+COPY pyproject.toml uv.lock ./
+COPY searcharena ./searcharena
+COPY sample ./sample
+COPY data ./data
+COPY server ./server
+COPY models.py ./
+COPY inference.py ./
 
-# For in-repo builds, openenv is already vendored in the build context
-# For standalone builds, openenv will be installed via pyproject.toml
-WORKDIR /app/env
+# Install dependencies
+RUN uv pip install --system -e .
 
-# Ensure uv is available (for local builds where base image lacks it)
-RUN if ! command -v uv >/dev/null 2>&1; then \
-        curl -LsSf https://astral.sh/uv/install.sh | sh && \
-        mv /root/.local/bin/uv /usr/local/bin/uv && \
-        mv /root/.local/bin/uvx /usr/local/bin/uvx; \
-    fi
-    
-# Install dependencies using uv sync
-# If uv.lock exists, use it; otherwise resolve on the fly
-RUN --mount=type=cache,target=/root/.cache/uv \
-    if [ -f uv.lock ]; then \
-        uv sync --frozen --no-install-project --no-editable; \
-    else \
-        uv sync --no-install-project --no-editable; \
-    fi
+# Set environment variables
+ENV PYTHONPATH="/app:$PYTHONPATH"
 
-RUN --mount=type=cache,target=/root/.cache/uv \
-    if [ -f uv.lock ]; then \
-        uv sync --frozen --no-editable; \
-    else \
-        uv sync --no-editable; \
-    fi
-
-# Final runtime stage
-FROM ${BASE_IMAGE}
-
-WORKDIR /app
-
-# Copy the virtual environment from builder
-COPY --from=builder /app/env/.venv /app/.venv
-
-# Copy the environment code
-COPY --from=builder /app/env /app/env
-
-# Set PATH to use the virtual environment
-ENV PATH="/app/.venv/bin:$PATH"
-
-# Set PYTHONPATH so imports work correctly
-ENV PYTHONPATH="/app/env:$PYTHONPATH"
+# Expose port
+EXPOSE 8000
 
 # Health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
     CMD curl -f http://localhost:8000/health || exit 1
 
-# Run the FastAPI server
-# The module path is constructed to work with the /app/env structure
-CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]
+# Run the server
+CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "8000"]