add client docker

Dockerfile.client

@@ -0,0 +1,33 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Runtime deps for client-linux.py (ss/ps) and optional psutil client
+RUN apt-get update -y \
+    && apt-get install -y --no-install-recommends iproute2 procps \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip install --no-cache-dir psutil
+
+COPY clients/client-linux.py /app/client-linux.py
+COPY clients/client-psutil.py /app/client-psutil.py
+COPY clients/entrypoint.sh /app/entrypoint.sh
+
+# Default client and defaults (can be overridden by docker env)
+ENV SERVER=127.0.0.1 \
+    USER=s01 \
+    PORT=35601 \
+    PASSWORD=USER_DEFAULT_PASSWORD \
+    INTERVAL=1 \
+    PROBEPORT=80 \
+    PROBE_PROTOCOL_PREFER=ipv4 \
+    PING_PACKET_HISTORY_LEN=100 \
+    CU=cu.tz.cloudcpp.com \
+    CT=ct.tz.cloudcpp.com \
+    CM=cm.tz.cloudcpp.com \
+    CLIENT=linux
+
+RUN chmod +x /app/entrypoint.sh
+
+ENTRYPOINT ["/app/entrypoint.sh"]
+CMD []