Update README

README.md

@@ -1,26 +1,27 @@
-Short - simple go url shortner
-==============================
+# Short - simple go url shortner
 
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](https://git.thebarrens.nu/wolvie/short/blob/master/LICENSE)
 [![Build Status](https://git.thebarrens.nu/wolvie/short/badges/master/build.svg)](https://git.thebarrens.nu/wolvie/short/)
-Short is a very simple url shortener build in golang using web.go module for storring URLs, the main focus is speed, not data is persisted.
+Short is a very simple url shortener build in golang using gorilla/mux for url routing and go-cache for storring URLs, the main focus is speed, not data is persisted, but can be dumped and restored.
 
-
-Syntax is:
+## Syntax is
 
 ```shell
 Usage of short:
   -addr string
-        Address to listen for connections (default "localhost:8080")
+    Address to listen for connections (default "localhost")
   -domain string
-        Domain to write to the URLs (default "localhost")
+    Domain to write to the URLs (default "localhost")
+  -dump string
+    Path to the file to dump the kv db (default "urls.json")
   -path string
-        Path to the base URL (https://localhost/PATH/... remember to append a / at the end
+    Path to the base URL (https://localhost:8080/PATH/... remember to append a / at the end
+  -port string
+    Port to listen for connections (default "8080")
   -proto string
-        proto to the base URL (HTTPS://localhost/path/... no real https here just to set the url (for like a proxy offloading https (default "https")
-  -redis string
-        ip/hostname of the redis server to connect (default "localhost:6379")
-  -v    prints current version
+    proto to the base URL (HTTPS://localhost:8080/path/... no real https here just to set the url (for like a proxy offloading https (default "https")
+  -v
+    prints current version
 
 ```
 
@@ -32,3 +33,44 @@ To shorten a URL just post on /, you will get a reply with the shortened URL
 curl -X POST -d "url=http://google.com" http://localhost:8080/
 URL shortened at: https://localhost:8080/9mbIcOwsVP
 ```
+
+## Dump/Restore endpoints
+
+URL mapping data can be checked, listed, dumped and restored in the given endpoints:
+
+Show the number of mapped urls
+
+```shell
+$ curl http://localhost:8080/v1/count
+X
+```
+
+Dumps the mapped url to json
+
+```shell
+$ curl http://localhost:8080/v1/dump
+[...] #json of mapped urls
+```
+
+Dump the mapped url to `-dump` file (defaults to ./urls.json)
+
+```shel
+$ curl http://localhost:8080/v1/dumpToFile
+Dump writen to: urls.json
+```
+
+Load url mappings from `-dimp` file to in memory db
+
+```shell
+$ curl http://localhost:8080/v1/fromFile
+OK
+```
+
+Load url mappings from POST data (Assuming json data on save.json file)
+
+```shell
+$ curl -X POST http://localhost:8080/v1/fromPost \                                            ✔  0.59 L
+-H "Content-Type: application/json" \
+--data $(cat save.json )
+OK
+```