refactor: Improve project structure and documentation

Author: stuagano

contributing/samples/security_agent/.env.example

@@ -0,0 +1,10 @@
+# Google Cloud Configuration
+GOOGLE_CLOUD_PROJECT="your-project-id"
+GOOGLE_APPLICATION_CREDENTIALS="path/to/service-account.json"
+
+# ADK Configuration
+ADK_EVALUATION_ENABLED="true"
+
+# Vertex AI Configuration (for enterprise features)
+VERTEX_AI_PROJECT_ID="your-project-id"
+VERTEX_AI_LOCATION="us-central1"

contributing/samples/security_agent/Dockerfile

@@ -4,6 +4,10 @@ FROM python:3.11-slim
 # Set the working directory in the container
 WORKDIR /app
 
+# Create a non-root user
+RUN useradd --create-home appuser
+USER appuser
+
 # Copy the requirements file into the container at /app
 COPY requirements.txt /app/
 
@@ -21,3 +25,4 @@ EXPOSE 8501
 
 # Run the command to start the uvicorn server
 CMD ["sh", "-c", "python backend/main.py & streamlit run frontend/enhanced_security_agent_app.py --server.port 8501"]
+