uploaded backend files

Dockerfile

@@ -1,55 +1,16 @@
-# syntax=docker/dockerfile:1
-FROM python:3.10-slim AS builder
+# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
+# you will also find guides on how best to write your Dockerfile
 
-# Set environment variables
-ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1 \
-    PIP_NO_CACHE_DIR=1
+FROM python:3.11
 
-WORKDIR /app
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    && rm -rf /var/lib/apt/lists/*
+WORKDIR /main
 
-# Create and activate virtual environment
-RUN python -m venv /opt/venv
-ENV PATH="/opt/venv/bin:$PATH"
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Install Python dependencies
-COPY requirements.txt .
-RUN pip install --upgrade pip \
-    && pip install --no-cache-dir -r requirements.txt
-
-# --- Runtime stage ---
-FROM python:3.10-slim
-
-# Platform-agnostic environment setup
-ENV PYTHONUNBUFFERED=1 \
-    PATH="/opt/venv/bin:$PATH" \
-    PORT=8000 \
-    HOST=0.0.0.0
-
-WORKDIR /app
-
-# Copy virtual environment
-COPY --from=builder /opt/venv /opt/venv
-
-# Copy application code (with .dockerignore in place)
-COPY . .
-
-# Create non-root user and permissions
-RUN useradd -m appuser \
-    && chown -R appuser:appuser /app \
-    && mkdir -p /app/tmp \
-    && chown appuser:appuser /app/tmp
-
-USER appuser
-
-# Health check (for platforms that support it)
-HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
-    CMD curl -f http://localhost:$PORT/health || exit 1
-
-# Universal run command
-CMD ["sh", "-c", "uvicorn main:app --host $HOST --port $PORT"]
+COPY --chown=user . /main
+CMD ["uvicorn", "app:main", "--host", "0.0.0.0", "--port", "7860"]