diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 851b3d8..4b53101 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -35,11 +35,10 @@ jobs:
         with:
           go-version-file: 'go.mod'
 
-      - name: Build and push Docker image
+      - name: Build Docker image
         run: |
           cd mongoapi/dbtestapp
           make docker-build
-          make docker-push
 
   build:
     runs-on: ubuntu-latest
@@ -56,6 +55,9 @@ jobs:
   lint:
     name: lint
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        directory: [drsm, flowdesc, fsm, httpwrapper, idgenerator, logger, mapstruct, milenage, mongoapi, mongoapi/dbtestapp, ueauth, version]
     steps:
       - uses: actions/checkout@v4
 
@@ -67,7 +69,8 @@ jobs:
         uses: golangci/golangci-lint-action@v3.7.0
         with:
           version: latest
-          args: -v --config ./.golangci.yml
+          args: -v --config ../.golangci.yml
+          working-directory: ${{ matrix.directory }}
 
   license-check:
     runs-on: ubuntu-latest
diff --git a/mongoapi/dbtestapp/Dockerfile b/mongoapi/dbtestapp/Dockerfile
index 6c0ca73..a845c77 100644
--- a/mongoapi/dbtestapp/Dockerfile
+++ b/mongoapi/dbtestapp/Dockerfile
@@ -4,15 +4,15 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-FROM golang:1.21.3-bookworm AS test
+FROM golang:1.21.6-bookworm AS test
 
 LABEL maintainer="ONF <omec-dev@opennetworking.org>"
 
 RUN apt-get update && apt-get -y install vim 
 
-RUN cd $GOPATH/src && mkdir -p dbtestapp
-COPY . $GOPATH/src/dbtestapp
-RUN cd $GOPATH/src/dbtestapp && go install
+WORKDIR $GOPATH/src/dbtestapp
+COPY . .
+RUN go install
 
 FROM alpine:3.16 AS dbtestapp
 RUN apk update && apk add -U gcompat vim strace net-tools curl netcat-openbsd bind-tools bash
diff --git a/mongoapi/dbtestapp/student.go b/mongoapi/dbtestapp/student.go
index f58106f..6d9a34d 100644
--- a/mongoapi/dbtestapp/student.go
+++ b/mongoapi/dbtestapp/student.go
@@ -40,18 +40,18 @@ func StudentRecordTest(c *gin.Context) {
 	if err == nil {
 		log.Printf("Retrieved student %v ", student)
 	} else {
-		log.Printf("Failed to retrieve student %v. Error - ", student, err)
+		log.Printf("Failed to retrieve student %v. Error - %+v", student, err)
 	}
 
 	insertStudentInDB(collName, "John Smith", 25)
 
 	// test document fetch from student that doesn't exist.
 	qName := "Nerf Doodle"
-	student, err = getStudentFromDB(collName, qName)
+	_, err = getStudentFromDB(collName, qName)
 	if err == nil {
 		log.Printf("Retrieved student %v ", qName)
 	} else {
-		log.Printf("Failed to retrieve student %v. Error - ", qName, err)
+		log.Printf("Failed to retrieve student %v. Error - %+v ", qName, err)
 	}
 	c.JSON(http.StatusOK, gin.H{})
 }
@@ -65,7 +65,7 @@ func insertStudentInDB(collName string, name string, age int) {
 	filter := bson.M{}
 	_, err := mongoHndl.PutOneCustomDataStructure(collName, filter, student)
 	if err != nil {
-		log.Printf("Inserting student %v failed with error ", student, err)
+		log.Printf("Inserting student %v failed with error %+v ", student, err)
 		return
 	}
 	log.Printf("Inserting student %v successful ", student)