Merge branch 'release/0.0.2'

.gitignore

@@ -0,0 +1 @@
+step-by-step

README.md

@@ -6,3 +6,12 @@ An example of a service, which "evolves" step by step.
 
 It might be helpful to set up git pre-commit hooks before writing the code.
 For example, you can use [pre-commit by Yelp](http://pre-commit.com) to manage this kind of hooks.
+
+See `.pre-commit-config.yaml`.
+
+## Step 02. Add the simplest web-server
+
+The simplest way to make a web-server: register a handler function and listen on some TCP network address:
+
+    http.HandleFunc("/", home)
+    http.ListenAndServe(":8000", nil)

handlers.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Processing URL %s...", r.URL.Path)
+}

main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"net/http"
+)
+
+// Run server: go build && step-by-step
+// Try requests: curl http://127.0.0.1:8000/test
+func main() {
+	http.HandleFunc("/", home)
+	http.ListenAndServe(":8000", nil)
+}