Add Docker

Dockerfile

@@ -0,0 +1,18 @@
+FROM golang:1.16-alpine
+
+WORKDIR /app
+
+COPY go.mod ./
+COPY go.sum ./
+RUN go mod download
+
+COPY main.go ./
+COPY controller ./controller
+COPY display ./display
+
+RUN go build -o /fancyn
+
+EXPOSE 8080
+EXPOSE 8081
+
+CMD [ "/fancyn" ]

display/main.js

@@ -132,7 +132,7 @@ document.addEventListener("mousemove", (e) => {
 });
 
 document.addEventListener("DOMContentLoaded", () => {
-    let webSocket = new WebSocket("ws://localhost:8081");
+    let webSocket = new WebSocket("ws://localhost:8081/socket");
     webSocket.addEventListener("message", (e) => {
         let nudgeReq = JSON.parse(e.data);
         n.nudge(nudgeReq[0] / 10, nudgeReq[1] / 10);

main.go

@@ -2,11 +2,12 @@ package main
 
 import (
 	"encoding/json"
-	"github.com/gorilla/websocket"
 	"io"
 	"log"
 	"net/http"
 	"os"
+
+	"github.com/gorilla/websocket"
 )
 
 var upgrader = websocket.Upgrader{
@@ -59,7 +60,7 @@ func main() {
 		mux.HandleFunc("/main.css", func(w http.ResponseWriter, r *http.Request) {
 			w.Header().Add("Content-Type", "text/css")
 			w.WriteHeader(http.StatusOK)
-			file, _ := os.Open("./main.css")
+			file, _ := os.Open("./display/main.css")
 			defer file.Close()
 			io.Copy(w, file)
 		})
@@ -74,7 +75,8 @@ func main() {
 	}()
 
 	mux := http.NewServeMux()
-	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	mux.Handle("/", http.FileServer(http.Dir("./display/")))
+	mux.HandleFunc("/socket", func(w http.ResponseWriter, r *http.Request) {
 		con, err := upgrader.Upgrade(w, r, nil)
 		if err != nil {
 			log.Println(err)
@@ -99,5 +101,5 @@ func main() {
 			}
 		}
 	})
-	log.Println(http.ListenAndServe("127.0.0.1:8081", mux))
+	log.Println(http.ListenAndServe(":8081", mux))
 }