Implemented sending logs to ElasticSearch with Filebeat (#125)

Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #125

Filebeat/Dockerfile

@@ -0,0 +1,2 @@
+FROM docker.elastic.co/beats/filebeat:8.6.2
+COPY --chown=root:filebeat filebeat.docker.yml /usr/share/filebeat/filebeat.yml

Filebeat/filebeat.docker.yml

@@ -0,0 +1,21 @@
+filebeat.config:
+  modules:
+    path: ${path.config}/modules.d/*.yml
+    reload.enabled: false
+
+filebeat.autodiscover:
+  providers:
+    - type: docker
+      hints.enabled: true
+
+processors:
+- add_cloud_metadata: ~
+
+output.elasticsearch:
+  hosts: '${ELASTICSEARCH_HOSTS:elc-0.zipper.release11.com:9200}'
+  index: 'xmltools-${ENV_TYPE:dev}-%{+YYYY.MM}'
+
+
+setup.template:
+  name: "xmltools"
+  pattern: "xmltools-*"