fix(monitoring): fix production monitoring startup, alertmanager configuration, prometheus alert syntax, and mcp healthcheck

monitoring/alerts.yml

@@ -37,7 +37,7 @@ groups:
           severity: warning
         annotations:
           summary: "⚠️ Disk space below 15%"
-          description: "Only {{ humanizePercentage (div (node_filesystem_avail_bytes{mountpoint='/'}) (node_filesystem_size_bytes{mountpoint='/'})) }} disk space remaining."
+          description: "Only {{ $value | humanizePercentage }} disk space remaining."
 
       - alert: DiskSpaceCritical
         expr: (node_filesystem_avail_bytes{mountpoint="/"} / node_filesystem_size_bytes{mountpoint="/"}) < 0.05

monitoring/docker-compose.monitoring.yml

@@ -55,11 +55,14 @@ services:
     image: metalmatze/alertmanager-bot:0.4.3
     container_name: memento-alertmanager-telegram
     restart: unless-stopped
+    profiles:
+      - telegram
     environment:
-      TELEGRAM_TOKEN: ${TELEGRAM_BOT_TOKEN:-}
-      TELEGRAM_ADMIN: ${TELEGRAM_CHAT_ID:-}
+      TELEGRAM_TOKEN: ${TELEGRAM_BOT_TOKEN:-dummy_token}
+      TELEGRAM_ADMIN: ${TELEGRAM_CHAT_ID:-0}
       ALERTMANAGER_URL: http://alertmanager:9093
-      STORE: /data/bolt.db
+      STORE: bolt
+      BOLT_PATH: /data/bolt.db
       LISTEN_ADDR: 0.0.0.0:8080
     volumes:
       - alertmanager-bot-data:/data
@@ -91,7 +94,7 @@ services:
     container_name: memento-postgres-exporter
     restart: unless-stopped
     env_file:
-      - /opt/memento/.env.docker
+      - ../.env.docker
     environment:
       DATA_SOURCE_NAME: "postgresql://${POSTGRES_USER:-memento}:${POSTGRES_PASSWORD:-memento}@memento-postgres:5432/${POSTGRES_DB:-memento}?sslmode=disable"
     ports:
@@ -141,4 +144,4 @@ networks:
     driver: bridge
   memento-net:
     external: true
-    name: memento_memento-network
+    name: ${MEMENTO_NETWORK_NAME:-memento_memento-network}