Update Dockerfile

Dockerfile

@@ -1,21 +1,26 @@
-FROM python:3.9-slim
+# syntax=docker/dockerfile:1
+FROM python:3.10-slim
 
-WORKDIR /app
+ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
 
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    software-properties-common \
-    git \
-    && rm -rf /var/lib/apt/lists/*
+# System deps (minimal)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential git curl && \
+    rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+WORKDIR /app
+COPY requirements.txt /app/
 
-RUN pip3 install -r requirements.txt
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt
 
-EXPOSE 8501
+# Copy source
+COPY . /app
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Streamlit in Spaces binds to 0.0.0.0:7860
+EXPOSE 7860
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Streamlit avoids opening browser by default in container
+CMD ["streamlit", "run", "frontend.py", "--server.port=7860", "--server.address=0.0.0.0"]