adding the webhook injector image

docker/cloudguard-waf-webhook/Dockerfile

@@ -0,0 +1,26 @@
+# Use Python 3.9 slim image as the base
+FROM python:3.9-slim
+
+# Install dependencies
+RUN pip install kubernetes cryptography flask --progress-bar off
+
+# Create directory for certs
+RUN mkdir -p /certs
+
+# Copy the Python scripts
+COPY keygen.py /app/keygen.py
+COPY webhook_server.py /app/webhook_server.py
+COPY secretgen.py /app/secretgen.py
+COPY run.sh /app/run.sh
+
+# Make the script executable
+RUN chmod +x /app/run.sh
+
+# Set the working directory
+WORKDIR /app
+
+# Expose port 443
+EXPOSE 443
+
+# Run the webhook server
+CMD ["/app/run.sh"]