update readme, remove tcp/icmp

example.config.yml

@@ -1,14 +1,65 @@
 api:
+  # cachet url
   url: https://demo.cachethq.io/api/v1
+  # cachet api token
   token: 9yMHsdioQosnyVK4iCVR
+  insecure: false
+# https://golang.org/src/time/format.go#L57
+date_format: 02/01/2006 15:04:05 MST
 monitors:
+  # http monitor example
   - name: google
-    target: https://google.com
-    threshold: 80
+    # test url
+    target: http://localhost:2000/ping
+    # strict certificate checking for https
+    strict: true
+    # HTTP method
+    method: POST
+    
+    # set to update component (either component_id or metric_id are required)
     component_id: 1
-    interval: 10
-    timeout: 5
+    # set to post lag to cachet metric (graph)
+    metric_id: 4
+
+    # custom templates (see readme for details)
+    template:
+      investigating:
+        subject: "{{ .Monitor.Name }} - {{ .SystemName }}"
+        message: "{{ .Monitor.Name }} check **failed** (server time: {{ .now }})\n\n{{ .FailReason }}"
+      fixed:
+        subject: "I HAVE BEEN FIXED"
+    
+    # seconds between checks
+    interval: 1
+    # seconds for timeout
+    timeout: 1
+    # If % of downtime is over this threshold, open an incident
+    threshold: 80
+
+    # custom HTTP headers
     headers:
       Authorization: Basic <hash>
+    # expected status code (either status code or body must be supplied)
     expected_status_code: 200
-    strict: true
+    # regex to match body
+    expected_body: "P.*NG"
+  # dns monitor example
+  - name: dns
+    # fqdn
+    target: matej.me.
+    # question type (A/AAAA/CNAME/...)
+    question: mx
+    type: dns
+    # set component_id/metric_id
+    component_id: 2
+    # poll every 1s
+    interval: 1
+    timeout: 1
+    # custom DNS server (defaults to system)
+    dns: 8.8.4.4:53
+    answers:
+      # exact/regex check
+      - regex: [1-9] alt[1-9].aspmx.l.google.com.
+      - exact: 10 aspmx2.googlemail.com.
+      - exact: 1 aspmx.l.google.com.
+      - exact: 10 aspmx3.googlemail.com.