import other kontor repos into directories

go/pkg/infrastructure/kernel/app.go

@@ -0,0 +1,91 @@
+package kernel
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/google/uuid"
+	gohandlers "github.com/gorilla/handlers"
+	"github.com/gorilla/mux"
+	"gitlab.com/tpeetz-kontor/kontor-go/pkg/infrastructure/app"
+	"gitlab.com/tpeetz-kontor/kontor-go/pkg/infrastructure/config"
+	"go.uber.org/zap"
+)
+
+// Boot the Application
+func Boot() *app.Application {
+	// Configuration
+	config := bootConfig()
+
+	// Router
+	router := bootRouter()
+
+	// CORS
+	corsHandler := gohandlers.CORS(gohandlers.AllowedOrigins([]string{"*"}))
+
+	// Logger
+	logger := bootLogger()
+	defer logger.Sync() // flushes buffer, if any
+
+	// Create and return and Application
+	return &app.Application{
+		Server: &http.Server{
+			Addr:         config.HTTP.Port,
+			Handler:      corsHandler(requestIDMiddleware(router)),
+			IdleTimeout:  120 * time.Second,
+			ReadTimeout:  1 * time.Second,
+			WriteTimeout: 1 * time.Second,
+		},
+		Router: router,
+		Logger: logger,
+		Config: config,
+	}
+}
+
+func bootConfig() *config.Config {
+	return config.New()
+}
+
+func bootRouter() *mux.Router {
+	return mux.NewRouter()
+}
+
+func bootLogger() *zap.Logger {
+	logger, logError := zap.NewProduction()
+	if logError != nil {
+		panic(logError)
+	}
+
+	return logger
+}
+
+// ContextKey is used for context.Context value. The value requires a key that is not primitive type.
+type ContextKey string
+
+// ContextKeyRequestID is the ContextKey for RequestID
+const ContextKeyRequestID ContextKey = "requestID"
+
+func requestIDMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+
+		ctx := r.Context()
+
+		id := uuid.New()
+
+		ctx = context.WithValue(ctx, ContextKeyRequestID, id.String())
+
+		r = r.WithContext(ctx)
+
+		bootLogger().Debug("Incoming request",
+			zap.String("method", r.Method),
+			zap.String("uri", r.RequestURI),
+			zap.String("addr", r.RemoteAddr), zap.String("id", id.String()),
+		)
+
+		next.ServeHTTP(w, r)
+
+		bootLogger().Debug("Finished handling http req. %s",
+			zap.String("id", id.String()))
+	})
+}