documentation updates

README.md

@@ -4,7 +4,21 @@
 
 # txPDF
 
-txPDF is an HTML to PDF microservice by [txn2]
+[txPDF] is an HTML to PDF microservice by [txn2]. [txPDF] is built on top of the [n2pdf] container exposing an API endpoint that returns a PDF document from web based **POST** request.
+
+Example Post Body:
+```json
+{
+  "options": {
+    "print_media_type": true
+  },
+  "pages": [
+    {
+      "Location": "https://www.example.com"
+    }
+  ]
+}
+```
 
 ## Docker Use
 
@@ -14,6 +28,11 @@ Run the [txPDF Docker container] on your local workstation for testing. Forward
 docker run --rm -p 8080:8080 -e DEBUG=true txn2/txpdf
 ```
 
+## Curl Test
+```bash
+curl -d "@examples/days.json" -X POST http://localhost:8080/getPdf --output test.pdf
+```
+
 [txPDF] can be configured with the following environment variables:
 
 | Variable | Default | Purpose |
@@ -29,6 +48,7 @@ docker run --rm -p 8080:8080 -e DEBUG=true txn2/txpdf
 curl -d "@examples/multi-site.json" -X POST http://localhost:8080/getPdf --output test.pdf
 ```
 
+[n2pdf]:https://github.com/txn2/n2pdf
 [txPDF]:https://github.com/txn2/txpdf
 [txn2]:https://github.com/txn2
 [txPDF Docker container]:https://hub.docker.com/r/txn2/txpdf/

examples/simple.json

@@ -0,0 +1,10 @@
+{
+  "options": {
+    "print_media_type": true
+  },
+  "pages": [
+    {
+      "Location": "https://www.example.com"
+    }
+  ]
+}