added redis subdirectory for the redis container

redis/docker-compose.yml

@@ -0,0 +1,29 @@
+services:
+  redis:
+    image: redis:alpine
+    container_name: redis
+    restart: always
+    networks:
+      discord-net:
+        ipv4_address: ${REDIS_IP}
+    volumes:
+      - ./redis_data:/data
+    ports:
+      - ${REDIS_PORT}:${REDIS_PORT}
+    healthcheck:
+      test: ["CMD", "redis-cli", "PING"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 5s
+
+networks:
+  discord-net:
+    driver: bridge
+    ipam:
+      driver: default
+      config:
+        - subnet: ${SUBNET_ADDRESS}/16
+
+volumes:
+  redis_data:

redis/example.env

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+# subnet address, ex. 172.33.0.0 as we use /16.
+SUBNET_ADDRESS = 172.33.0.0
+
+# redis port and ip, default redis port is 6379
+REDIS_IP = 172.33.0.4
+REDIS_PORT = 6379