Add health route

api/health.go

@@ -0,0 +1,23 @@
+package api
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+)
+
+// Health sends the response that the API works. If it
+// it is able to do so, it is obviously correct.
+func Health(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+	w.Header().Set("Content-Type", "application/json")
+	response, err := json.Marshal(Message{"I'm alive!"})
+	if err != nil {
+		log.Printf("Error formatting the health route: %v\n", err)
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+	if _, err := w.Write(response); err != nil {
+		log.Printf("Error handling the health route: %v\n", err)
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}

api/response_messages.go

@@ -0,0 +1,5 @@
+package api
+
+type Message struct {
+	Msg string `json:"msg"`
+}