Update 'README.md'

README.md

@@ -1,15 +1,39 @@
 # 5feet11
 
-A URL shortener that generates links even shorter than 5'11.
+A scalable URL shortener.
+
+## Prepare
+- ScyllaDB
+- Prometheus*
+
+*: Optional
+
+## Run
+Update the config at `etc/fivefeeteleven-api.yaml`.
+```sh
+# Docker
+docker run -it $(docker build -q .)
+
+# Compile
+make build && ./5feet11
+```
+
 
 ## Usage
 ```bash
 # Shorten a URL
-curl --header "Content-Type: application/json" \
-  --request POST \
-  --data '{"longUrl":"https://news.ycombinator.com"}' \
+curl -X POST -H "Content-Type: application/json" \
+  -d '{"longUrl":"https://news.ycombinator.com"}' \
+  http://localhost:5111/api/v1/links
+
+# Shorten a URL that expires after N seconds
+curl -X POST -H "Content-Type: application/json" \
+  -d '{"longUrl":"https://news.ycombinator.com", "expiresAfter": 30}' \
   http://localhost:5111/api/v1/links
 
 # Expand the URL
 curl -iL http://localhost:5111/{id}
+
+# Get information of a specific URL
+curl -iL http://localhost:5111/api/v1/links/{id}
 ```