add prometheus

config/prometheus/prometheus.yml

@@ -0,0 +1,44 @@
+# Sample config for Prometheus.
+
+global:
+  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
+  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
+  # 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: 'example'
+
+# Alertmanager configuration
+alerting:
+  alertmanagers:
+  - static_configs:
+    - targets: ['localhost:9093']
+
+# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
+rule_files:
+  # - "first_rules.yml"
+  # - "second_rules.yml"
+
+# 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: 'prometheus'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+    scrape_timeout: 5s
+
+    # metrics_path defaults to '/metrics'
+    # scheme defaults to 'http'.
+
+    static_configs:
+      - targets: ['localhost:9090']
+
+  - job_name: node
+    # If prometheus-node-exporter is installed, grab stats about the local
+    # machine by default.
+    static_configs:
+      - targets: ['localhost:9100']

docker-compose.yml

@@ -25,6 +25,15 @@ services:
   renderer:
     image: grafana/grafana-image-renderer:latest
 
+  prometheus:
+    image: prom/prometheus:latest
+    restart: unless-stopped
+    volumes:
+      - ./config/prometheus.yml:/etc/prometheus/prometheus.yml
+      - ${DATA_DIR}/prometheus/data:/prometheus
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
   influxdb:
     image: "influxdb:latest"
     ports: