add grafana, loki, promtail

.env

@@ -48,3 +48,7 @@ DOKKU_EXTERNAL_PORT_2=8081
 DOKKU_INTERNAL_PORT_2=80
 DOKKU_EXTERNAL_PORT_3=8443
 DOKKU_INTERNAL_PORT_3=443
+LOKI_EXTERNAL_PORT=3100
+LOKI_INTERNAL_PORT=3100
+GRAFANA_EXTERNAL_PORT=3500
+GRAFANA_INTERNAL_PORT=3000

docker-compose.yml

@@ -384,7 +384,54 @@ services:
       # served by caddy
       # - snibox
 
+  loki:
+    image: grafana/loki:2.6.1
+    container_name: loki
+    user: "${PUID}"
+    ports:
+      - "${LOKI_EXTERNAL_PORT}:${LOKI_INTERNAL_PORT}"
+    command: -config.file=/etc/loki/local-config.yaml
+    volumes:
+      - "${DOCKER_STORAGE_PATH}/loki/local-config.yaml:/etc/loki/local-config.yaml"
     networks:
+      - loki
+    profiles:
+      - base
+      - infra
+    restart: unless-stopped
+
+  promtail:
+    image: grafana/promtail:2.6.1
+    container_name: promtail
+    user: "${PUID}"
+    volumes:
+      - /var/log:/var/log
+      - "${DOCKER_STORAGE_PATH}/promtail/config.yml:/etc/promtail/config.yml"
+    command: -config.file=/etc/promtail/config.yml
+    depends_on:
+      - loki
+    networks:
+      - loki
+    profiles:
+      - base
+      - infra
+    restart: unless-stopped
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    user: "${PUID}"
+    ports:
+      - "${GRAFANA_EXTERNAL_PORT}:${GRAFANA_INTERNAL_PORT}"
+    networks:
+      - loki
+    profiles:
+      - base
+      - infra
+    restart: unless-stopped
+
+networks:
+  loki:
   caddy:
     attachable: true
     internal: true