Fix PEP 668 externally-managed-environment error

- Add --break-system-packages flag to pip install
- This resolves the Alpine Linux PEP 668 restriction
- Allows installation of Python packages in Docker container

Dockerfile

@@ -10,7 +10,7 @@ RUN apk add --no-cache python3 py3-pip
 
 # Copy requirements first for better caching
 COPY requirements.txt .
-RUN python3 -m pip install --no-cache-dir -r requirements.txt
+RUN python3 -m pip install --no-cache-dir --break-system-packages -r requirements.txt
 
 # Copy your code
 COPY . .