Add prom server & grafana

docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - lubso
     working_dir: "/usr/src/app"
     ports:
-      - 8001:8000
+      - 8001:9000
     environment:
       KAFKA_BROKER_ADDRS: "kafka:9092"
     volumes:
@@ -42,4 +42,28 @@ services:
     ports:
       - "2181:2181"
     environment:
-      - ALLOW_ANONYMOUS_LOGIN=yes
+      - ALLOW_ANONYMOUS_LOGIN=yes
+
+  grafana:
+    image: grafana/grafana:5.1.0
+    networks:
+      - lubso
+    ports:
+      - 8002:3000
+
+  prometheus:
+    image: prom/prometheus:v2.1.0
+    volumes:
+      - "./prometheus.yml/:/etc/prometheus/prometheus.yml"
+      - "prometheusVol:/prometheus"
+    command:
+      - "--config.file=/etc/prometheus/prometheus.yml"
+    ports:
+      - 8003:9090
+    networks:
+      - lubso
+    restart: always
+
+volumes:
+    prometheusVol: {}
+    grafanaVol: {}

prometheus.yml

@@ -0,0 +1,29 @@
+# my global config
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+  evaluation_interval: 15s # By default, scrape targets every 15 seconds.
+  # scrape_timeout is set to the global default (10s).
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  # external_labels:
+  #     monitor: 'my-project'
+
+# Load and evaluate rules in this file every 'evaluation_interval' seconds.
+# rule_files:
+#   - 'alert.rules'
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'language_stats_app'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+
+    static_configs:
+         - targets: ['app:9000']
+
+
+