My Docker challenge

Dockerfile

@@ -1,4 +1,17 @@
-FROM ${SERVER_NAME}.jfrog.io/${VIRTUAL_REPO_NAME}/alpine:3.11.5
+FROM gopherhut.jfrog.io/docker-virtual/golang:1.12.7-alpine3.9
+
+MAINTAINER vignesh
+
+RUN mkdir /app
+
+ADD . /app
+WORKDIR /app
+
+RUN apk add git
+RUN go get -u github.com/gorilla/mux
+
+# RUN CGO_ENABLED=0 GOOS=linux go build -o main ./...
+CMD ["go","run","main.go"]
 
 CMD printf "\nCONGRATULATIONS!!!\n\nYou have just set up your first Docker repository with the new JFrog Platform!\n\n"
 

main.go

@@ -0,0 +1,107 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"strconv"
+
+	"github.com/gorilla/mux"
+)
+
+type Book struct {
+	ID     int    `json:id`
+	Title  string `json:title`
+	Author string `json:author`
+	Year   string `json:year`
+}
+
+var books []Book
+
+func getBooks(w http.ResponseWriter, r *http.Request) {
+
+	log.Println("get all books")
+
+	json.NewEncoder(w).Encode(books)
+}
+
+func getBook(w http.ResponseWriter, r *http.Request) {
+
+	log.Println("get single books")
+
+	params := mux.Vars(r)
+	log.Println(params)
+
+	k, _ := strconv.Atoi(params["id"])
+
+	for _, book := range books {
+		if book.ID == k {
+			json.NewEncoder(w).Encode(&book)
+		}
+
+	}
+}
+
+func addBook(w http.ResponseWriter, r *http.Request) {
+
+	log.Println("add new book")
+
+	var book Book
+	json.NewDecoder(r.Body).Decode(&book)
+
+	books = append(books, book)
+	json.NewEncoder(w).Encode(books)
+}
+
+func updateBook(w http.ResponseWriter, r *http.Request) {
+
+	log.Println("update a books")
+
+	var book Book
+	json.NewDecoder(r.Body).Decode(&book)
+
+	for k, v := range books {
+		if v.ID == book.ID {
+			books[k] = book
+		}
+	}
+	json.NewEncoder(w).Encode(books)
+}
+
+func removeBook(w http.ResponseWriter, r *http.Request) {
+
+	log.Println("delete a books")
+
+	params := mux.Vars(r)
+	log.Println(params)
+
+	id, _ := strconv.Atoi(params["id"])
+
+	for i, item := range books {
+		if item.ID == id {
+			books = append(books[:i], books[i+1:]...)
+		}
+	}
+	json.NewEncoder(w).Encode(books)
+
+}
+
+func main() {
+
+	router := mux.NewRouter()
+
+	books = append(books,
+		Book{ID: 1, Title: "Golang pointers", Author: "Mr. Golang", Year: "2010"},
+		Book{ID: 2, Title: "Goroutines", Author: "Mr. Goroutine", Year: "2011"},
+		Book{ID: 3, Title: "Golang routers", Author: "Mr. Router", Year: "2012"},
+		Book{ID: 4, Title: "Golang concurrency", Author: "Mr. Currency", Year: "2013"},
+		Book{ID: 5, Title: "Golang good parts", Author: "Mr. Good", Year: "2014"})
+
+	router.HandleFunc("/books", getBooks).Methods("GET")
+	router.HandleFunc("/books/{id}", getBook).Methods("GET")
+	router.HandleFunc("/books", addBook).Methods("POST")
+	router.HandleFunc("/books", updateBook).Methods("PUT")
+	router.HandleFunc("/books/{id}", removeBook).Methods("DELETE")
+
+	log.Fatal(http.ListenAndServe(":3333", router))
+}