# Use an official Golang runtime as a parent image
FROM golang:1.21

# Install necessary dependencies
RUN apt-get update && apt-get install -y \
    wget \
    git \
    curl \
    zip \
    python3 \
    python3-venv \
    && rm -rf /var/lib/apt/lists/*

# Install Katana
RUN go install github.com/projectdiscovery/katana/cmd/katana@latest

# Set the GOPATH and add Katana to PATH
ENV GOPATH=/go
ENV PATH=$GOPATH/bin:/usr/local/go/bin:$PATH

# Set MPLCONFIGDIR to a writable directory
ENV MPLCONFIGDIR=/tmp/.matplotlib

# Create a writable directory for Katana's config
RUN mkdir -p /tmp/katana

# Set the environment variable for Katana's config directory
ENV KATANA_CONFIG=/tmp/katana

# Create a non-root user
RUN useradd -m myuser

# Change ownership of the /tmp/katana directory to myuser
RUN chown -R myuser:myuser /tmp/katana

# Set appropriate permissions
RUN chmod 755 /tmp/katana

# Create and activate a virtual environment for Python
RUN python3 -m venv /app/venv
ENV PATH="/app/venv/bin:$PATH"

# Copy requirements file
COPY requirements.txt /app/requirements.txt

# Install Python dependencies in the virtual environment
RUN pip install --upgrade pip \
    && pip install -r /app/requirements.txt

# Copy the Gradio app code to the container
COPY app.py /app/app.py

# Set the working directory
WORKDIR /app

# Switch to the non-root user
USER myuser

# Expose the port Gradio will run on
EXPOSE 7860

# Command to run the Gradio app
CMD ["python", "app.py"]