add Grafana container

grafana/.env-example

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+# Grafana Version (Standard: latest)
+GRAFANA_VERSION=latest
+
+# Grafana Domain
+GRAFANA_DOMAIN=grafana.example.com

grafana/docker-compose.yml

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+---
+services:
+  grafana:
+    image: grafana/grafana:${GRAFANA_VERSION:-latest}
+    container_name: grafana
+    restart: unless-stopped
+    volumes:
+      - ./data/grafana:/var/lib/grafana
+    networks:
+      - traefik
+      - grafana 
+    labels:
+      - "traefik.enable=true"
+      - "traefik.docker.network=traefik"
+      - "traefik.http.routers.grafana.entrypoints=http"
+      - "traefik.http.routers.grafana.rule=Host(`${GRAFANA_DOMAIN:?error}`)"
+      - "traefik.http.middlewares.grafana-https-redirect.redirectscheme.scheme=https"
+      - "traefik.http.routers.grafana.middlewares=grafana-https-redirect"
+      - "traefik.http.routers.grafana-secure.entrypoints=https"
+      - "traefik.http.routers.grafana-secure.rule=Host(`${GRAFANA_DOMAIN:?error}`)"
+      - "traefik.http.routers.grafana-secure.tls=true"
+      - "traefik.http.routers.grafana-secure.service=grafana"
+      - "traefik.http.services.grafana.loadbalancer.server.port=3000"
+
+networks:
+  traefik:
+    external: true
+  grafana:
+    driver: bridge