fix(docker): minimal image + explicit ENTRYPOINT to run start.py on PORT 7860

Dockerfile

@@ -1,57 +1,19 @@
-# ---------- Stage 1: Build wheels ----------
-FROM python:3.12-slim AS builder
+FROM python:3.12-slim
 
-ENV PIP_NO_CACHE_DIR=1 \
-    PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
-
-WORKDIR /build
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    && rm -rf /var/lib/apt/lists/*
-
-COPY requirements.txt .
-RUN pip install --upgrade pip && \
-    pip wheel --wheel-dir /wheels -r requirements.txt
-
-# ---------- Stage 2: Runtime ----------
-FROM python:3.12-slim AS runtime
-
-ENV PIP_NO_CACHE_DIR=1 \
-    PYTHONDONTWRITEBYTECODE=1 \
+ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
-    PYTHONPATH=/app
+    PIP_NO_CACHE_DIR=1 \
+    PORT=7860 \
+    GRADIO_SERVER_NAME=0.0.0.0
 
 WORKDIR /app
+COPY . /app
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ca-certificates && rm -rf /var/lib/apt/lists/*
-
-RUN useradd -m appuser
-
-COPY --from=builder /wheels /wheels
-COPY requirements.txt .
-RUN pip install --no-cache-dir --find-links=/wheels -r requirements.txt && \
-    rm -rf /wheels
-
-COPY . .
-
-RUN chown -R appuser:appuser /app
-
-USER appuser
-
-ENV GRADIO_SERVER_NAME=0.0.0.0 \
-    GRADIO_SERVER_PORT=7860 \
-    USE_MOCK=1
-
-# Healthcheck ensures Gradio frontend is alive
-HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
-  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:7860', timeout=2)"
+RUN pip install --no-cache-dir -U pip && pip install --no-cache-dir -r requirements.txt
 
-# Hugging Face Spaces expect public app on port 7860
-ENV PORT=7860
 EXPOSE 7860
 
+# Ensure base image ENTRYPOINT (if any) doesn't override ours
 ENTRYPOINT []
+RUN echo "=== REBUILD $(date) ==="
 CMD ["python", "-u", "start.py"]