Fix Hugging Face build (bullseye base + health check)

Dockerfile

@@ -1,36 +1,33 @@
-# ==============================================================
-# ✅ Hugging Face Dockerfile for Flask + TensorFlow + MediaPipe
-# ==============================================================
+# ============================================
+# ✅ Hugging Face Flask + TensorFlow + MediaPipe
+# ============================================
+FROM python:3.10-bullseye
 
-FROM python:3.10-slim
-
-# Prevent log buffering
 ENV PYTHONUNBUFFERED=1
+ENV PIP_NO_CACHE_DIR=1
+ENV DEBIAN_FRONTEND=noninteractive
 
-# Install system dependencies
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
+# System dependencies (OpenCV, MediaPipe, TensorFlow)
+RUN apt-get update && apt-get install -y \
     libgl1 \
     libglib2.0-0 \
     libatlas-base-dev \
     ffmpeg \
-    && apt-get clean && rm -rf /var/lib/apt/lists/*
+    curl \
+ && rm -rf /var/lib/apt/lists/*
 
-# Set working directory
 WORKDIR /app
 
-# Copy requirements first
 COPY requirements.txt .
 
-# Install Python dependencies with retry logic
-RUN pip install --upgrade pip
-RUN pip install --no-cache-dir -r requirements.txt || \
-    (sleep 10 && pip install --no-cache-dir -r requirements.txt)
+RUN pip install --upgrade pip setuptools wheel
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy application files
 COPY . .
 
-# Expose port 7860 for Hugging Face
 EXPOSE 7860
 
-# Run Flask app
+# Simple health check (to show logs if Flask fails)
+HEALTHCHECK CMD curl --fail http://localhost:7860/ || exit 1
+
 CMD ["python", "app.py"]