Added README and moved the Config struct

Dockerfile

@@ -1,19 +1,14 @@
-# Start from a Debian image with the latest version of Go installed
-# and a workspace (GOPATH) configured at /go.
 FROM golang
 
 # Copy the local package files to the container's workspace.
 ADD . /go/src/github.com/thrawn01/configmap-microservice-demo
 
-# Build the outyet command inside the container.
-# (You may fetch or manage dependencies here,
-# either manually or with a tool like "godep".)
 RUN go get github.com/julienschmidt/httprouter
 RUN go get gopkg.in/fsnotify.v1
 RUN go get gopkg.in/yaml.v2
 RUN go install github.com/thrawn01/configmap-microservice-demo
 
-# Run the outyet command by default when the container starts.
+# Run the command by default when the container starts.
 ENTRYPOINT /go/bin/configmap-microservice-demo
 
 # Document that the service listens on port 8080.

README.md

@@ -0,0 +1,9 @@
+## How to write configmap enabled golang microservices
+
+This repo holds code demonstrating how to build a golang service that
+reconfigures on the fly when ConfigMap data updates.
+
+The blog post explaining this code is available 
+[here](http://thrawn01.org/blog/blog/2016/03/22/howto-write-configmap-enabled-golang-microservices/)
+
+

kubernetes-configmap.yaml

@@ -5,4 +5,4 @@ metadata:
   namespace: default
 data:
   configmap-microservice-demo.yaml: |
-    message: Hello Grandma
+    message: Hello World

main.go

@@ -20,6 +20,16 @@ func check(err error) {
 	}
 }
 
+/*
+ This is the struct that holds our application's configuration
+*/
+type Config struct {
+	Message string `yaml:"message"`
+}
+
+/*
+ Simple Yaml Config file loader
+*/
 func loadConfig(configFile string) *Config {
 	conf := &Config{}
 	configData, err := ioutil.ReadFile(configFile)

manager.go

@@ -2,13 +2,6 @@ package main
 
 import "sync"
 
-/*
- This is the struct that holds our application's configuration
-*/
-type Config struct {
-	Message string `yaml:"message"`
-}
-
 /*
  Simple interface that allows us to switch out both implementations of the Manager
 */