Merge branch 'master' of github.com:mrspartak/js-internet-status-api

Author: mrspartak

README.md

@@ -7,27 +7,42 @@ Return JSON with current status and disconnects history
 
 [![Latest Github tag](https://img.shields.io/github/v/tag/mrspartak/js-internet-status-api?sort=date&style=for-the-badge "Latest Github tag")](https://github.com/mrspartak/js-internet-status-api/releases "Latest Github tag")
 
+## Docker run
+Run with defaults
+```
+docker run -p 3010:3010 --name internet-check \
+  -v internet-check:/home/node/app/data \
+  assorium/js-internet-status-api:latest
+```
+Or use environment variables
+```
+docker run -p 3010:3010 --name internet-check \
+  -v internet-check:/home/node/app/data \
+  -e CHECK_WEBSITE=https://example.com -e RELEVANCE_TIMEOUT=1 \
+  assorium/js-internet-status-api:latest
+```
 
 ## Environment variables
 
     #port app will be launched at
     const PORT = process.env.PORT || 3010
+    
     #interval to check connection in seconds
     const INTERVAL = +process.env.INTERVAL * 1000 || 10000;
+    
     #website to check connection
     const CHECK_WEBSITE = process.env.CHECK_WEBSITE || 'https://google.com';
     #timeout in seconds
     const CHECK_TIMEOUT = +process.env.CHECK_TIMEOUT * 1000 || 5000;
     #retries
     const CHECK_RETRIES = +process.env.CHECK_RETRIES || 2;
+    
     #this time in hours data will be stored
     const RELEVANCE_TIMEOUT = +process.env.RELEVANCE_TIMEOUT * 60 * 60 || 24 * 60 * 60;
 
 ## API
 
-    #just GET / request
-
-    #sample response
+JSON API | GET /
 ```
 {
 	success: true,
@@ -42,4 +57,7 @@ Return JSON with current status and disconnects history
 		}
 	]
 }
-```
+```
+
+Graphs | GET /graph.html
+![image](https://user-images.githubusercontent.com/993910/74189670-e6722380-4c61-11ea-9b8e-c8860138f95c.png)