Merge branch 'mongo-exporter' into 'main'

More comments

See merge request !8

docker-compose.yaml

 version: '3'
 
 services:
+# Image of node-exporter
+# node-exporter provides detailed metrics to prometheus.
+# It monitors a broad variety of metrics abot the host system, network traffic and physical hardware and more.
   node-exporter:
     image: prom/node-exporter:latest
     container_name: node-exporter
@@ -21,6 +24,8 @@ services:
     deploy:
       mode: global
 
+# Image of mongoDB-exporter
+# mongoDB-exporter will monitor the mongoDB Database and provide an Endpoint, which Prometheus can scrape data from.
   mongodb-exporter:
     image: percona/mongodb_exporter:2.32.0
     container_name: mongodb-exporter
@@ -30,9 +35,11 @@ services:
       - 9216
     #restart: unless-stopped
     command:
-      - '--mongodb.uri=mongodb://mongodb:27017/cloudComputing/admin?ssl=false'
+      - '--mongodb.uri=mongodb://mongodb:27017/cloudComputing/'
     
-
+# Image of Prometheus
+# Prometheus scarpes metric data from html Endpoints
+# Configuration of Prometheus in Prometheus.yml file
   prometheus:
     image: prom/prometheus:latest
     container_name: prometheus
@@ -47,6 +54,8 @@ services:
     command:
       - "--config.file=/etc/prometheus/prometheus.yml"
 
+# Image of Grafana
+# Grafana takes the metric data from Prometheus and visualizes data in web UI
   grafana:
     image: grafana/grafana:latest
     container_name: grafana

prometheus/prometheus.yml

@@ -14,21 +14,21 @@ scrape_configs:
     scrape_interval: 5s
     # scheme: https
     static_configs:
-      - targets: ['192.168.0.230:5000']
+      - targets: ['192.168.2.34:5000']
 
   - job_name: 'node-exporter'
     honor_labels: true
     scrape_interval: 5s
     # scheme: https
     static_configs:
-      - targets: ['192.168.0.230:9100']
+      - targets: ['192.168.2.34:9100']
 
   - job_name: 'mongodb-exporter'
     honor_labels: true
     scrape_interval: 5s
      #scheme: https
     static_configs:
-      - targets: ['192.168.0.230:9216']
+      - targets: ['192.168.2.34:9216']
 
 #remote_write:
 #- url: "localhost:3000"