Implement Redis caching for Reddit image fetching

main.go

@@ -1,10 +1,13 @@
 package main
 
 import (
+	"context"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
 	"github.com/labstack/gommon/log"
 	tphttp "github.com/siteworxpro/top-wallpaper/http"
+	"github.com/siteworxpro/top-wallpaper/reddit"
+	"github.com/siteworxpro/top-wallpaper/redis"
 	"net/http"
 	"os"
 	"strings"
@@ -12,12 +15,23 @@ import (
 
 func main() {
 
-	e := echo.New()
-	e.Logger.SetLevel(log.INFO)
+	ctx, fn := context.WithCancel(context.Background())
+	defer fn()
 
+	rc, err := redis.NewRedis()
+
+	if err != nil {
+		log.Error("Could not initialize Redis client: ", err)
+		os.Exit(1)
+	}
+
+	e := echo.New()
+	e.AcquireContext().Set("redisClient", rc)
+	e.Logger.SetOutput(os.Stdout)
+
+	e.Logger.SetLevel(log.INFO)
 	e.HideBanner = true
 
-	e.Use(tphttp.GetCustomContext)
 	e.Use(middleware.Logger())
 	e.Use(middleware.RequestID())
 	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
@@ -34,12 +48,16 @@ func main() {
 	e.GET(path, tphttp.Get)
 
 	e.Logger.Info("Starting server at path " + path)
-	// start the server
 
 	port := os.Getenv("PORT")
 	if port == "" {
 		port = "8080"
 	}
 
+	ctx = redis.WithContext(ctx, rc)
+	ctx = context.WithValue(ctx, "logger", e.Logger)
+
+	go reddit.Fetch(ctx)
+
 	e.Logger.Fatal(e.Start(":" + port))
 }