Switch to Debian base image with linphone-cli (v3.1.0)

sip-notifier/Dockerfile

@@ -1,23 +1,21 @@
-ARG BUILD_FROM
-FROM $BUILD_FROM
+FROM debian:bookworm-slim
 
-# Install system dependencies including Linphone
-RUN apk add --no-cache \
+# Install dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
     python3 \
-    py3-pip \
+    python3-pip \
+    python3-flask \
+    python3-requests \
     ffmpeg \
-    linphone \
-    git
+    linphone-cli \
+    && rm -rf /var/lib/apt/lists/*
 
 # Set working directory
 WORKDIR /app
 
 # Copy requirements and install Python dependencies
 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
+RUN pip3 install --break-system-packages -r requirements.txt || pip3 install -r requirements.txt
 
 # Copy application files
 COPY run.sh .