Handle json encoding errors

main.go

@@ -18,12 +18,18 @@ type Metadata struct {
 
 func PipelineHandler(pipeline pipelines.IPipeline, w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(pipeline)
+	err := json.NewEncoder(w).Encode(pipeline)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
 }
 
 func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(Metadata{Name, Version})
+	err := json.NewEncoder(w).Encode(Metadata{Name, Version})
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+	}
 }
 
 func RegisterPipelineRoutes(r *mux.Router, pipelines []pipelines.IPipeline) {
@@ -42,5 +48,8 @@ func main() {
 
 	RegisterPipelineRoutes(r, pipes)
 
-	http.ListenAndServe(":8000", r)
+	err := http.ListenAndServe(":8000", r)
+	if err != nil {
+		panic(err)
+	}
 }