From ba09a6ec9dbd1d28a4aaa652a3802e02442c0b43 Mon Sep 17 00:00:00 2001
From: Naveen Kumar Sangi <naveenkumarsangi@protonmail.com>
Date: Wed, 23 May 2018 21:16:34 +0530
Subject: [PATCH] Add basic go-micro web server with echo endpoint

---
 Dockerfile         |  4 ++++
 Makefile           | 14 ++++++++++++
 README.md          | 53 ++++++++++++++++++++++++++++++++++++++++++++++
 handler/handler.go | 29 +++++++++++++++++++++++++
 main.go            | 28 ++++++++++++++++++++++++
 5 files changed, 128 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 Makefile
 create mode 100644 README.md
 create mode 100644 handler/handler.go
 create mode 100644 main.go

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..fea043d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,4 @@
+FROM alpine:3.2
+ADD listen /listen
+WORKDIR /
+ENTRYPOINT [ "/listen" ]
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..8b7b4cf
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+
+GOPATH:=$(shell go env GOPATH)
+
+.PHONY: proto test docker
+
+
+build:
+	go build -o listen
+
+test:
+	go test -v ./... -cover
+
+docker:
+	docker build . -t listen-web:latest
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..acfcaf6
--- /dev/null
+++ b/README.md
@@ -0,0 +1,53 @@
+# Listen Service
+
+This is the Listen service
+
+Generated with
+
+```
+micro new gitlab.com/nkprince007/listen --namespace=go.micro --type=web
+```
+
+## Getting Started
+
+- [Configuration](#configuration)
+- [Dependencies](#dependencies)
+- [Usage](#usage)
+
+## Configuration
+
+- FQDN: go.micro.web.listen
+- Type: web
+- Alias: listen
+
+## Dependencies
+
+Micro services depend on service discovery. The default is consul.
+
+```
+# install consul
+brew install consul
+
+# run consul
+consul agent -dev
+```
+
+## Usage
+
+A Makefile is included for convenience
+
+Build the binary
+
+```
+make build
+```
+
+Run the service
+```
+./listen-web
+```
+
+Build a docker image
+```
+make docker
+```
diff --git a/handler/handler.go b/handler/handler.go
new file mode 100644
index 0000000..82471c4
--- /dev/null
+++ b/handler/handler.go
@@ -0,0 +1,29 @@
+package handler
+
+import (
+	"encoding/json"
+	"net/http"
+	"time"
+)
+
+// Echo receives whatever was sent and posts it back
+func Echo(w http.ResponseWriter, r *http.Request) {
+	// decode the incoming request as json
+	var request map[string]interface{}
+	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	response := map[string]interface{}{
+		"payload":     request,
+		"processedAt": time.Now().Format(time.RFC1123),
+		"status":      "received",
+	}
+
+	// encode and write the response as json
+	if err := json.NewEncoder(w).Encode(response); err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..c1908d9
--- /dev/null
+++ b/main.go
@@ -0,0 +1,28 @@
+package main
+
+import (
+	"github.com/micro/go-log"
+	"github.com/micro/go-web"
+	"gitlab.com/nkprince007/listen/handler"
+)
+
+func main() {
+	// create new web service
+	service := web.NewService(
+		web.Name("go.micro.web.listen"),
+		web.Version("latest"),
+	)
+
+	// register call handler
+	service.HandleFunc("/", handler.Echo)
+
+	// initialise service
+	if err := service.Init(); err != nil {
+		log.Fatal(err)
+	}
+
+	// run service
+	if err := service.Run(); err != nil {
+		log.Fatal(err)
+	}
+}