Merge pull request #11 from circonus-labs/dockerhub

updates to build to explicitly mention need for go to compile, update…

Makefile

@@ -1,4 +1,7 @@
 GO=$(shell which go)
+ifeq "$(GO)" ""
+$(error Please install Go to compile)
+endif
 DOCKER=$(shell which docker)
 COMMIT_ID=$(shell git rev-parse HEAD)
 NOW=$(shell date +%s)

README.md

@@ -2,10 +2,21 @@
 
 Prometheus Adapter to IRONdb.
 
-Requiress IRONdb `>= v0.12.0`.
+Requires IRONdb `>= v0.12.0`.
+Requires Go `>= 1.10`.
 
 Also check out our launch [blog post](https://www.circonus.com/2018/06/prometheus-adapter/)!
 
+## Docker Image Pull
+
+You can now install the irondb-prometheus-adapter container image from dockerhub
+with the below command:
+
+```bash
+docker pull irondb/irondb-prometheus-adapter
+docker run -p1234:8080 docker.io/irondb/irondb-prometheus-adapter:latest /irondb-prometheus-adapter -addr :1234 -log debug -snowth http:127.0.0.1:8112
+```
+
 ## Build
 
 Included is a Makefile which will perform all the build tasks you will need
@@ -60,7 +71,7 @@ There are three endpoints currently:
 
 ```
 POST /prometheus/2.0/write/:account/:check_uuid/:check_name
-GET /prometheus/2.0/read/:account/:check_uuid/:check_name
+POST /prometheus/2.0/read/:account/:check_uuid/:check_name
 GET /health-check
 ```