Excel tool im Browser

Dockerfile

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+# Excel Filter Tool - Streamlit Docker Image
+# Optimized for Coolify deployment
+
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+COPY excel_filter/requirements.txt ./requirements.txt
+
+# Install Python dependencies
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt && \
+    pip install streamlit
+
+# Copy application code
+COPY excel_filter/ ./excel_filter/
+COPY streamlit_app.py .
+COPY .streamlit/ .streamlit/
+
+# Create a non-root user for security
+RUN useradd --create-home --shell /bin/bash appuser && \
+    chown -R appuser:appuser /app
+USER appuser
+
+# Expose Streamlit port
+EXPOSE 8501
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl --fail http://localhost:8501/_stcore/health || exit 1
+
+# Run Streamlit
+ENTRYPOINT ["streamlit", "run", "streamlit_app.py"]