feat: 監視のための設定を追加

docker-compose.yaml

@@ -12,3 +12,42 @@ services:
       POSTGRES_USER: "daizu"
       POSTGRES_PASSWORD: "soybeanslab"
       POSTGRES_INITDB_ARGS: "--encoding=UTF-8"
+
+  nginx:
+    image: nginx
+    ports:
+      - "80:80"
+    volumes:
+      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf
+      - ./log:/var/log/nginx
+
+  ## System Monitoring
+  prometheus:
+    image: prom/prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
+
+  nginx_exporter:
+    image: nginx/nginx-prometheus-exporter:0.4.2
+    ports:
+      - "9113:9113"
+    command:
+      - -nginx.scrape-uri
+      - http://nginx:80/stub_status
+
+  node-exporter:
+    image: prom/node-exporter
+    ports:
+      - 9100:9100
+    volumes:
+      - /proc:/host/proc
+      - /sys:/host/sys
+      - /:/rootfs
+
+  grafana:
+    image: grafana/grafana
+    ports:
+      - "3000:3000"
+

nginx/default.conf

@@ -0,0 +1,53 @@
+server {
+    listen       80;
+    server_name  localhost;
+
+    #access_log  /var/log/nginx/host.access.log  main;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    location /metrics {
+       stub_status on;
+       access_log off;
+    }
+    location /stub_status {
+       stub_status;
+       access_log off;
+    }
+
+    #error_page  404              /404.html;
+
+    # redirect server error pages to the static page /50x.html
+    #
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+
+    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
+    #
+    #location ~ \.php$ {
+    #    proxy_pass   http://127.0.0.1;
+    #}
+
+    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
+    #
+    #location ~ \.php$ {
+    #    root           html;
+    #    fastcgi_pass   127.0.0.1:9000;
+    #    fastcgi_index  index.php;
+    #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
+    #    include        fastcgi_params;
+    #}
+
+    # deny access to .htaccess files, if Apache's document root
+    # concurs with nginx's one
+    #
+    #location ~ /\.ht {
+    #    deny  all;
+    #}
+}
+

prometheus/prometheus.yml

@@ -0,0 +1,27 @@
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+    monitor: 'codelab-monitor'
+
+# 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'
+    scrape_interval: 5s
+    static_configs:
+      - targets: ['localhost:9090']
+
+  - job_name: 'nginx'
+    scrape_interval: 5s
+    static_configs:
+      - targets: ['nginx_exporter:9113']
+
+  - job_name: 'node-exporter'
+    scrape_interval: 5s
+    static_configs:
+      - targets: ['node-exporter:9100']
+