Add cluster worker implementation and configuration files

containers/cluster_node/Dockerfile-cluster_node

@@ -0,0 +1,33 @@
+# Single stage build for Cluster Node
+FROM python:3.12-slim
+WORKDIR /app
+
+# Install necessary runtime packages
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    wireguard \
+    iptables \
+    iproute2 \
+    net-tools \
+    inetutils-ping \
+    inetutils-traceroute \
+    procps \
+    curl \
+    nano \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python packages
+# Using the specific requirements.txt for this container
+COPY requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the application code
+COPY . /app/
+
+# Set execution permissions on scripts
+RUN chmod +x /app/entrypoint.sh
+
+ARG SERVER_ADDRESS
+ARG DEBUG_MODE
+
+ENTRYPOINT ["/app/entrypoint.sh"]
+CMD ["python", "-u", "/app/cluster_worker.py"]