Go Backend

README.md

@@ -19,5 +19,13 @@ This project uses:
 ## To Use
 Copy the config.sample.json file and rename to config.json. Be sure to update the fields as you see appropriate.
 
+### On Docker
+
+This project can run atop the docker engine. To run, simply create a config JSON based of the `configs/config.sample.json` provided. Then, simply navigate to the dir that contains the config and run the image like so:
+
+```bash
+docker run --rm -p 8080:80 -v $(pwd)/:/config willfantom/simple-dash:latest
+```
+
 ## Configure Homepage
 - 'items' => The menu will scale to the amount of items you want to display. Insert any link you'd like, or {{cur}} for the current URL of the page. Choose icons from [Font Awesome](http://fontawesome.io/icons/)

build/Dockerfile

@@ -0,0 +1,15 @@
+FROM golang:alpine as builder
+
+WORKDIR /go/src/github.com/willfantom/simple-dash
+COPY ./. .
+RUN CGO_ENABLED=0 go build -a -o main .
+
+FROM scratch
+
+ENV CONFIG_DIR /config
+
+WORKDIR /app
+COPY --from=builder /go/src/github.com/willfantom/simple-dash/templates templates
+COPY --from=builder /go/src/github.com/willfantom/simple-dash/main main
+
+CMD ["./main"]

build/Dockerfile.dev

@@ -0,0 +1,8 @@
+FROM golang:alpine
+
+WORKDIR /app
+COPY ./. .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+CMD ["./main"]

config.sample.json → configs/config.sample.json

@@ -1,5 +1,5 @@
 {
-	"title" : "Your Homepage Title",
+	"title" : "Simple Dash",
 	"items" : [
 		{
 			"alt" : "Github",
@@ -16,5 +16,6 @@
 			"icon" : "fab fa-docker",
 			"link" : "https://hub.docker.com/u/kukielka/"
 		}
-	]
+	],
+	"adminpass": "pass"
 }

main.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"encoding/json"
+	"html/template"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+)
+
+type DashItem struct {
+	Name string `json:"alt"`
+	Icon string `json:"icon"`
+	Link string `json:"link"`
+}
+
+type User struct {
+	Password string `json:"adminpass"`
+}
+
+type DashData struct {
+	Title string     `json:"title"`
+	Items []DashItem `json:"items"`
+}
+
+func parseConfig() (*DashData, *User) {
+	log.Println("Finding Config")
+	configPath := os.Getenv("CONFIG_DIR") + "/config.json"
+	if _, err := os.Stat(configPath); err != nil {
+		log.Fatalf("Can not find config at: %s\n", configPath)
+	}
+	configBytes, err := ioutil.ReadFile(configPath)
+	if err != nil {
+		log.Fatalf("Can not open config at: %s\n", configPath)
+	}
+	var data DashData
+	var user User
+	errA := json.Unmarshal(configBytes, &data)
+	errB := json.Unmarshal(configBytes, &user)
+	if errA != nil || errB != nil {
+		log.Fatalf("Can not parse config as json || %s\n", configPath)
+	}
+	log.Printf("Found %d items in the config\n", len(data.Items))
+	return &data, &user
+}
+
+func main() {
+	log.Println("Starting Simple Dash")
+
+	dashTemplate := template.Must(template.ParseFiles("templates/dash.html"))
+	sigininTemplate := template.Must(template.ParseFiles("templates/login.html"))
+
+	data, user := parseConfig()
+
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		dashTemplate.Execute(w, data)
+	})
+	http.HandleFunc("/admin", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			sigininTemplate.Execute(w, nil)
+			return
+		}
+
+		if r.FormValue("password") == user.Password {
+			log.Printf("Admin account accessed\n")
+			dashTemplate.Execute(w, data)
+			return
+		}
+
+		sigininTemplate.Execute(w, struct{ Invalid bool }{true})
+	})
+	http.ListenAndServe(":80", nil)
+}