fix(post): updated promtail config and added comments for clarity

Author: timothystewart6

_posts/2021-11-20-grafana-loki.md

@@ -133,9 +133,10 @@ positions:
 clients:
   - url: http://loki:3100/loki/api/v1/push
 
+scrape_configs:
+
 # local machine logs
 
-scrape_configs:
 - job_name: local
   static_configs:
   - targets:
@@ -146,7 +147,6 @@ scrape_configs:
 
 ## docker logs
 
-# scrape_configs:
 #   - job_name: docker 
 #     pipeline_stages:
 #       - docker: {}
@@ -155,19 +155,18 @@ scrape_configs:
 #           job: docker
 #           __path__: /var/lib/docker/containers/*/*-json.log
 
-## syslog target
-
-# scrape_configs:
-#   - job_name: syslog
-#     syslog:
-#       listen_address: 0.0.0.0:1514
-#       idle_timeout: 60s
-#       label_structured_data: yes
-#       labels:
-#         job: "syslog"
-#     relabel_configs:
-#       - source_labels: ['__syslog_message_hostname']
-#         target_label: 'host'
+# syslog target
+
+  - job_name: syslog
+    syslog:
+      listen_address: 0.0.0.0:1514 # make sure you also expose this port on the container
+      idle_timeout: 60s
+      label_structured_data: yes
+      labels:
+        job: "syslog"
+    relabel_configs:
+      - source_labels: ['__syslog_message_hostname']
+        target_label: 'host'
 ```
 
 ## Loki Docker Driver