add logging example (#52)

Author: tuxtof

docker-compose.yml

@@ -12,9 +12,30 @@ services:
       FQDN: proxy-pc.demo.com
       NUTANIX_ENDPOINT: pc.demo.com
       # TRAEFIK_LOG_LEVEL: "info"
+      #TRAEFIK_LOG_FORMAT: "json"
+      #TRAEFIK_ACCESSLOG_FORMAT: "json"
       # TRAEFIK_SERVERSTRANSPORT_ROOTCAS: /etc/traefik/cert/ca.cer
       # DASHBOARD: enable
       # TRAEFIK_METRICS_PROMETHEUS="true"
     volumes:
       - ./cert:/etc/traefik/cert
       # - ./auth:/etc/traefik/auth
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"
+
+  # filebeat:
+  #   image: docker.elastic.co/beats/filebeat:8.17.3
+  #   user: root
+  #   environment:
+  #     ELASTICSEARCH_HOSTS: ${ELASTICSEARCH_HOSTS}
+  #     ELASTICSEARCH_USERNAME: elastic
+  #     ELASTICSEARCH_PASSWORD: ${ELASTICSEARCH_PASSWORD}
+  #   volumes:
+  #     - ./filebeat.yml:/usr/share/filebeat/filebeat.yml
+  #     - /var/lib/docker/containers:/var/lib/docker/containers:ro
+  #     - /var/run/docker.sock:/var/run/docker.sock
+  #   depends_on:
+  #     - ntnx-api-proxy

filebeat.yml

@@ -0,0 +1,19 @@
+filebeat.inputs:
+  - type: container
+    enabled: true
+    paths:
+      - /var/lib/docker/containers/*/*.log
+    processors:
+      - add_docker_metadata: ~
+      - decode_json_fields:
+          fields: ["message"]
+          target: "parsed_json"
+
+output.elasticsearch:
+  hosts: ["${ELASTICSEARCH_HOSTS}"]
+  username: "${ELASTICSEARCH_USERNAME:elastic}"
+  password: "${ELASTICSEARCH_PASSWORD}"
+  protocol: https
+  ssl:
+    enabled: true
+    verification_mode: none