add handler and health check

src/myaktion/go.mod

 module gitlab.reutlingen-university.de/petrinov/myaktion-go
 
 go 1.24.2
+
+require github.com/gorilla/mux v1.8.1 // indirect

src/myaktion/go.sum

+github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
+github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=

src/myaktion/handler/health.go

+package handler
+
+import (
+	"io"
+	"net/http"
+)
+
+func Health(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	io.WriteString(w, `{"alive": true}`)
+}

src/myaktion/main.go

 package main
 
 import (
-	"fmt"
+	"log"
+	"net/http"
 
-	"gitlab.reutlingen-university.de/petrinov/myaktion-go/model"
+	"github.com/gorilla/mux"
+	"gitlab.reutlingen-university.de/petrinov/myaktion-go/handler"
 )
 
 func main() {
-
-	newAccount := model.Account{
-		Name:     "NeuerAccount",
-		BankName: "NeueBank",
-		Number:   "1",
-	}
-
-	newAccount2 := model.Account{
-		Name:     "NeuerAccount3",
-		BankName: "NeueBank3",
-		Number:   "2",
-	}
-
-	newAccount3 := model.Account{
-		Name:     "NeuerAccount3",
-		BankName: "NeueBank3",
-		Number:   "3",
-	}
-
-	donation1 := model.Donation{
-		Ammount:          10.00,
-		DonorName:        "Irgendwer",
-		ReceiptRequested: false,
-		Account:          newAccount2,
-	}
-
-	donation2 := model.Donation{
-		Ammount:          5.00,
-		DonorName:        "Irgendwo",
-		ReceiptRequested: true,
-		Account:          newAccount3,
+	log.Println("Starting My-Aktion API server")
+	router := mux.NewRouter()
+	router.HandleFunc("/health", handler.Health).Methods("GET")
+	if err := http.ListenAndServe(":8000", router); err != nil {
+		log.Fatal(err)
 	}
-
-	newCampagin := model.Campaign{
-		Name:                "Neue Campaign",
-		OrganizerName:       "Aktion Mensch",
-		TargetAmmount:       100.00,
-		DonationMinimum:     20.00,
-		AmmountDonatedSoFar: 80.00,
-		Account:             newAccount,
-		Donations:           []model.Donation{donation1, donation2},
-	}
-
-	fmt.Println(newCampagin)
 }