refactoring(infra-monitoring)

config/monitoring/alertmanager/alertmanager.yml

@@ -1,10 +1,10 @@
 global:
   resolve_timeout: 5m
-  # SMTP configuration for email alerts
-  smtp_smarthost: 'smtp.example.com:587'
-  smtp_from: 'alertmanager@meldestelle.at'
-  smtp_auth_username: 'alertmanager@meldestelle.at'
-  smtp_auth_password: 'password' # Use environment variable in production
+  # SMTP configuration for email alerts - use environment variables
+  smtp_smarthost: '${SMTP_SMARTHOST:-smtp.example.com:587}'
+  smtp_from: '${SMTP_FROM:-alertmanager@meldestelle.at}'
+  smtp_auth_username: '${SMTP_AUTH_USERNAME:-alertmanager@meldestelle.at}'
+  smtp_auth_password: '${SMTP_AUTH_PASSWORD}'
   smtp_require_tls: true
 
 # The root route on which each incoming alert enters.
@@ -55,8 +55,8 @@ receivers:
 
 - name: 'slack-critical'
   slack_configs:
-  - api_url: 'https://hooks.slack.com/services/REPLACE_WITH_YOUR_WEBHOOK_URL'
-    channel: '#alerts-critical'
+  - api_url: '${SLACK_WEBHOOK_URL_CRITICAL}'
+    channel: '${SLACK_CHANNEL_CRITICAL:-#alerts-critical}'
     send_resolved: true
     title: '{{ .CommonAnnotations.summary }}'
     text: >-
@@ -69,8 +69,8 @@ receivers:
 
 - name: 'slack-warnings'
   slack_configs:
-  - api_url: 'https://hooks.slack.com/services/REPLACE_WITH_YOUR_WEBHOOK_URL'
-    channel: '#alerts-warnings'
+  - api_url: '${SLACK_WEBHOOK_URL_WARNINGS}'
+    channel: '${SLACK_CHANNEL_WARNINGS:-#alerts-warnings}'
     send_resolved: true
     title: '{{ .CommonAnnotations.summary }}'
     text: >-