Add cluster worker implementation and configuration files

cluster_node.yml

@@ -0,0 +1,28 @@
+version: '3'
+services:
+  wireguard-webadmin-cluster-node:
+    container_name: wireguard-webadmin-cluster-node
+    restart: unless-stopped
+    build:
+      context: containers/cluster_node
+      dockerfile: Dockerfile-cluster_node
+    environment:
+      - MASTER_SERVER_ADDRESS=${MASTER_SERVER_ADDRESS}
+      - DEBUG_MODE=${DEBUG_MODE}
+      - COMPOSE_VERSION=03r
+      - TZ=${TIMEZONE}
+      - TOKEN=${TOKEN}
+    volumes:
+      - cluster_node_wireguard:/etc/wireguard
+    #ports:
+      # Ports for WireGuard instances.
+      #- "51820-51839:51820-51839/udp"
+    cap_add:
+      - NET_ADMIN
+      - SYS_MODULE
+    sysctls:
+      - net.ipv4.conf.all.src_valid_mark=1
+      - net.ipv4.ip_forward=1
+
+volumes:
+  cluster_node_wireguard: