Add git to Dockerfile for pip install from GitHub (v2.0.7)

sip-notifier/Dockerfile

@@ -8,7 +8,8 @@ RUN apk add --no-cache \
     ffmpeg \
     gcc \
     musl-dev \
-    python3-dev
+    python3-dev \
+    git
 
 # Set working directory
 WORKDIR /app
@@ -17,6 +18,9 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip3 install --no-cache-dir --break-system-packages -r requirements.txt
 
+# Remove git after installation to reduce image size
+RUN apk del git gcc musl-dev python3-dev
+
 # Copy application files
 COPY run.sh .
 COPY sip_service.py .