diff --git a/.github/workflows/node.test.yaml b/.github/workflows/node.test.yaml
index 2c56b7532..884fad01a 100644
--- a/.github/workflows/node.test.yaml
+++ b/.github/workflows/node.test.yaml
@@ -58,8 +58,8 @@ jobs:
         run: |
           cd ./node
           go install golang.org/x/tools/go/analysis/passes/shadow/cmd/shadow@latest
-          go vet
-          go vet -vettool=$(which shadow)
+          go vet ./...
+          go vet -vettool=$(which shadow) ./...
 
       - name: Install golang-migrate
         run: |
diff --git a/node/pkg/db/pgsql.go b/node/pkg/db/pgsql.go
index 3261c7e1f..a9c57114f 100644
--- a/node/pkg/db/pgsql.go
+++ b/node/pkg/db/pgsql.go
@@ -44,27 +44,30 @@ func loadPgsqlConnectionString() string {
 }
 
 func Query(ctx context.Context, queryString string, args map[string]any) (pgx.Rows, error) {
-	pool, err := GetPool(ctx)
+	_pool, err := GetPool(ctx)
 	if err != nil {
 		return nil, err
 	}
+	pool = _pool
 	return query(pool, queryString, args)
 }
 
 func QueryRow[T any](ctx context.Context, queryString string, args map[string]any) (T, error) {
 	var t T
-	pool, err := GetPool(ctx)
+	_pool, err := GetPool(ctx)
 	if err != nil {
 		return t, err
 	}
+	pool = _pool
 	return queryRow[T](pool, queryString, args)
 }
 
 func QueryRows[T any](ctx context.Context, queryString string, args map[string]any) ([]T, error) {
-	pool, err := GetPool(ctx)
+	_pool, err := GetPool(ctx)
 	if err != nil {
 		return nil, err
 	}
+	pool = _pool
 	return queryRows[T](pool, queryString, args)
 }
 
diff --git a/node/pkg/db/redis.go b/node/pkg/db/redis.go
index 4d2ca4b38..fbc77bc9b 100644
--- a/node/pkg/db/redis.go
+++ b/node/pkg/db/redis.go
@@ -46,37 +46,40 @@ func connectRdb(ctx context.Context) (*redis.Conn, error) {
 }
 
 func Set(ctx context.Context, key string, value string, exp time.Duration) error {
-	rdb, err := GetRedisConn(ctx)
+	_rdb, err := GetRedisConn(ctx)
 	if err != nil {
 		return err
 	}
+	rdb = _rdb
 	return setRedis(ctx, rdb, key, value, exp)
 }
 
 func Get(ctx context.Context, key string) (string, error) {
-	rdb, err := GetRedisConn(ctx)
+	_rdb, err := GetRedisConn(ctx)
 	if err != nil {
 		return "", err
 	}
+	rdb = _rdb
 	return getRedis(ctx, rdb, key)
 }
 
 func Del(ctx context.Context, key string) error {
-	rdb, err := GetRedisConn(ctx)
+	_rdb, err := GetRedisConn(ctx)
 	if err != nil {
 		return err
 	}
+	rdb = _rdb
 	return rdb.Del(ctx, key).Err()
 }
 
 func connectToRedis(ctx context.Context, connectionInfo RedisConnectionInfo) (*redis.Conn, error) {
-	rdb := redis.NewClient(&redis.Options{
+	_rdb := redis.NewClient(&redis.Options{
 		Addr: connectionInfo.Host + ":" + connectionInfo.Port}).Conn()
-	_, rdbErr := rdb.Ping(ctx).Result()
+	_, rdbErr := _rdb.Ping(ctx).Result()
 	if rdbErr != nil {
 		return nil, rdbErr
 	}
-	return rdb, nil
+	return _rdb, nil
 }
 
 func loadRedisConnectionString() (RedisConnectionInfo, error) {
diff --git a/node/pkg/raft/raft.go b/node/pkg/raft/raft.go
index b1d9f16bc..19a7d9a00 100644
--- a/node/pkg/raft/raft.go
+++ b/node/pkg/raft/raft.go
@@ -256,10 +256,10 @@ func (r *Raft) sendReplyVote(to string, voteGranted bool) error {
 }
 
 func (r *Raft) sendRequestVote() error {
-	RequestVoteMessage := RequestVoteMessage{
+	requestVoteMessage := RequestVoteMessage{
 		Term: r.GetCurrentTerm(),
 	}
-	marshalledRequestVoteMsg, err := json.Marshal(RequestVoteMessage)
+	marshalledRequestVoteMsg, err := json.Marshal(requestVoteMessage)
 	if err != nil {
 		return err
 	}