feat: send OTP via email and apply minor refactors across microservices

Author: mqsrr

compose-stack.yaml

@@ -2,19 +2,15 @@ services:
   cadvisor:
     image: gcr.io/cadvisor/cadvisor:latest
     container_name: cadvisor
-    privileged: true
-    devices: 
-      - "/dev/kmsg"
+    user: root
+    restart: unless-stopped
     ports:
       - "8000:8080"
     volumes:
       - "/:/rootfs:ro"
-      - "/var/run:/var/run:ro"
+      - "/var/run/docker.sock:/var/run/docker.sock:ro"
       - "/sys:/sys:ro"
       - "/var/lib/docker/:/var/lib/docker:ro"
-      - "/dev/disk/:/dev/disk:ro"
-      - "/cgroup:/cgroup:ro"
-
   grafana:
     image: grafana/grafana:latest
     container_name: grafana