feat(backend/db): removed unnecessary logs

backend/pkg/db/cache/pg-cache.go

@@ -13,11 +13,6 @@ type ProjectMeta struct {
 	expirationTime time.Time
 }
 
-// !TODO: remove old sessions by timeout to avoid memleaks
-
-/*
- *  Cache layer around the stateless PG adapter
-**/
 type PGCache struct {
 	*postgres.Conn
 	sessions                 map[uint64]*Session
@@ -26,7 +21,6 @@ type PGCache struct {
 	projectExpirationTimeout time.Duration
 }
 
-// TODO: create conn automatically
 func NewPGCache(pgConn *postgres.Conn, projectExpirationTimeoutMs int64) *PGCache {
 	return &PGCache{
 		Conn:                     pgConn,

backend/pkg/db/postgres/connector.go

@@ -55,8 +55,7 @@ func NewConn(url string, queueLimit, sizeLimit int, metrics *monitoring.Metrics)
 	}
 	c, err := pgxpool.Connect(context.Background(), url)
 	if err != nil {
-		log.Println(err)
-		log.Fatalln("pgxpool.Connect Error")
+		log.Fatalf("pgxpool.Connect err: %s", err)
 	}
 	conn := &Conn{
 		batches:         make(map[uint64]*pgx.Batch),