Bootstrap milestone 0 and default API port 9999

internal/api/server.go

@@ -0,0 +1,40 @@
+package api
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+)
+
+type Server struct {
+	httpServer *http.Server
+}
+
+func NewServer(addr string, readTimeout, writeTimeout time.Duration) *Server {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/health", healthHandler)
+
+	return &Server{
+		httpServer: &http.Server{
+			Addr:         addr,
+			Handler:      mux,
+			ReadTimeout:  readTimeout,
+			WriteTimeout: writeTimeout,
+		},
+	}
+}
+
+func (s *Server) Start() error {
+	return s.httpServer.ListenAndServe()
+}
+
+func (s *Server) Shutdown(ctx context.Context) error {
+	return s.httpServer.Shutdown(ctx)
+}
+
+func healthHandler(w http.ResponseWriter, _ *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	_ = json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+}