diff --git a/src/service/.gitlab-ci.yml b/src/service/.gitlab-ci.yml
index bffd94385e20ab47e0b203e96e5dfbb8ad28f403..41a7ffad226cea4aa916a561f92bac6dc53e877f 100644
--- a/src/service/.gitlab-ci.yml
+++ b/src/service/.gitlab-ci.yml
@@ -48,28 +48,64 @@ unit_test service:
     - build service
   before_script:
     - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
-    - |
+    - >
       if docker network list | grep teraflowbridge; then
-        echo "teraflowbridge is already created"
+        echo "teraflowbridge is already created";
       else
-        docker network create --driver=bridge teraflowbridge
+        docker network create --driver=bridge teraflowbridge;
+      fi
+    - >
+      # Context-related
+      if docker container ls | grep crdb; then
+        docker rm -f crdb;
+      else
+        echo "CockroachDB container is not in the system";
+      fi
+    - >
+      if docker volume ls | grep crdb; then
+        docker volume rm -f crdb;
+      else
+        echo "CockroachDB volume is not in the system";
+      fi
+    - >
+      if docker container ls | grep nats; then
+        docker rm -f nats;
+      else
+        echo "NATS container is not in the system";
+      fi
+    - >
+      # Device-related
+      if docker container ls | grep context; then
+        docker rm -f context;
+      else
+        echo "context image is not in the system";
+      fi
+    - >
+      if docker container ls | grep device; then
+        docker rm -f device;
+      else
+        echo "device image is not in the system";
+      fi
+    - >
+      # Pathcomp-related
+      if docker container ls | grep pathcomp-frontend; then
+        docker rm -f pathcomp-frontend;
+      else
+        echo "pathcomp-frontend image is not in the system";
+      fi
+    - >
+      if docker container ls | grep pathcomp-backend; then
+        docker rm -f pathcomp-backend;
+      else
+        echo "pathcomp-backend image is not in the system";
+      fi
+    - >
+      # Service-related
+      if docker container ls | grep $IMAGE_NAME; then
+        docker rm -f $IMAGE_NAME;
+      else
+        echo "$IMAGE_NAME image is not in the system";
       fi
-    - |
-      # Context-related cleanup
-      if docker container ls | grep crdb; then docker rm -f crdb; fi
-      if docker volume ls | grep crdb; then docker volume rm -f crdb; fi
-      if docker container ls | grep nats; then docker rm -f nats; fi
-    - |
-      # Device-related cleanup
-      if docker container ls | grep context; then docker rm -f context; fi
-      if docker container ls | grep device; then docker rm -f device; fi
-    - |
-      # Pathcomp-related cleanup
-      if docker container ls | grep pathcomp-frontend; then docker rm -f pathcomp-frontend; fi
-      if docker container ls | grep pathcomp-backend; then docker rm -f pathcomp-backend; fi
-    - |
-      # Service-related cleanup
-      if docker container ls | grep $IMAGE_NAME; then docker rm -f $IMAGE_NAME; fi
   script:
     - docker pull "cockroachdb/cockroach:latest-v22.2"
     - docker pull "nats:2.9"
@@ -78,66 +114,66 @@ unit_test service:
     - docker pull "$CI_REGISTRY_IMAGE/pathcomp-frontend:$IMAGE_TAG"
     - docker pull "$CI_REGISTRY_IMAGE/pathcomp-backend:$IMAGE_TAG"
     - docker pull "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
-    - |
-      # Context preparation
-      docker volume create crdb
-      docker run --name crdb -d --network=teraflowbridge -p 26257:26257 -p 8080:8080 \
-        --env COCKROACH_DATABASE=tfs_test --env COCKROACH_USER=tfs --env COCKROACH_PASSWORD=tfs123 \
-        --volume "crdb:/cockroach/cockroach-data" \
-        cockroachdb/cockroach:latest-v22.2 start-single-node
-    - |
-      docker run --name nats -d --network=teraflowbridge -p 4222:4222 -p 8222:8222 \
-        nats:2.9 --http_port 8222 --user tfs --pass tfs123
+    - docker volume create crdb
+    - >
+      docker run --name crdb -d --network=teraflowbridge -p 26257:26257 -p 8080:8080
+      --env COCKROACH_DATABASE=tfs_test --env COCKROACH_USER=tfs --env COCKROACH_PASSWORD=tfs123
+      --volume "crdb:/cockroach/cockroach-data"
+      cockroachdb/cockroach:latest-v22.2 start-single-node
+    - >
+      docker run --name nats -d --network=teraflowbridge -p 4222:4222 -p 8222:8222
+      nats:2.9 --http_port 8222 --user tfs --pass tfs123
     - echo "Waiting for initialization..."
     - while ! docker logs crdb 2>&1 | grep -q 'finished creating default user "tfs"'; do sleep 1; done
+    - docker logs crdb
     - while ! docker logs nats 2>&1 | grep -q 'Server is ready'; do sleep 1; done
+    - docker logs nats
+    - docker ps -a
     - CRDB_ADDRESS=$(docker inspect crdb --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
+    - echo $CRDB_ADDRESS
     - NATS_ADDRESS=$(docker inspect nats --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
-    - echo "CRDB Address: $CRDB_ADDRESS"
-    - echo "NATS Address: $NATS_ADDRESS"
-    - |
-      docker run --name context -d -p 1010:1010 \
-        --env "CRDB_URI=cockroachdb://tfs:tfs123@${CRDB_ADDRESS}:26257/tfs_test?sslmode=require" \
-        --env "MB_BACKEND=nats" \
-        --env "NATS_URI=nats://tfs:tfs123@${NATS_ADDRESS}:4222" \
-        --network=teraflowbridge \
-        $CI_REGISTRY_IMAGE/context:$IMAGE_TAG
+    - echo $NATS_ADDRESS
+    - >
+      docker run --name context -d -p 1010:1010
+      --env "CRDB_URI=cockroachdb://tfs:tfs123@${CRDB_ADDRESS}:26257/tfs_test?sslmode=require"
+      --env "MB_BACKEND=nats"
+      --env "NATS_URI=nats://tfs:tfs123@${NATS_ADDRESS}:4222"
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/context:$IMAGE_TAG
     - CONTEXTSERVICE_SERVICE_HOST=$(docker inspect context --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
-    - echo "Context Service Host: $CONTEXTSERVICE_SERVICE_HOST"
-    - |
-      # Device preparation
-      docker run --name device -d -p 2020:2020 \
-        --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}" \
-        --network=teraflowbridge \
-        $CI_REGISTRY_IMAGE/device:$IMAGE_TAG
+    - echo $CONTEXTSERVICE_SERVICE_HOST
+    - >
+      docker run --name device -d -p 2020:2020
+      --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}"
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/device:$IMAGE_TAG
     - DEVICESERVICE_SERVICE_HOST=$(docker inspect device --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
-    - echo "Device Service Host: $DEVICESERVICE_SERVICE_HOST"
-    - |
-      # PathComp preparation
-      docker run --name pathcomp-backend -d -p 8081:8081 \
-        --network=teraflowbridge \
-        $CI_REGISTRY_IMAGE/pathcomp-backend:$IMAGE_TAG
+    - echo $DEVICESERVICE_SERVICE_HOST
+    - >
+      docker run --name pathcomp-backend -d -p 8081:8081
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/pathcomp-backend:$IMAGE_TAG
     - PATHCOMP_BACKEND_HOST=$(docker inspect pathcomp-backend --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
-    - echo "PathComp Backend Host: $PATHCOMP_BACKEND_HOST"
-    - |
-      docker run --name pathcomp-frontend -d -p 10020:10020 \
-        --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}" \
-        --env "PATHCOMP_BACKEND_HOST=${PATHCOMP_BACKEND_HOST}" \
-        --env "PATHCOMP_BACKEND_PORT=8081" \
-        --network=teraflowbridge \
-        $CI_REGISTRY_IMAGE/pathcomp-frontend:$IMAGE_TAG
-    - sleep 5
+    - echo $PATHCOMP_BACKEND_HOST
+    - sleep 1
+    - >
+      docker run --name pathcomp-frontend -d -p 10020:10020
+      --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}"
+      --env "PATHCOMP_BACKEND_HOST=${PATHCOMP_BACKEND_HOST}"
+      --env "PATHCOMP_BACKEND_PORT=8081"
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/pathcomp-frontend:$IMAGE_TAG
+    - sleep 1
     - PATHCOMPSERVICE_SERVICE_HOST=$(docker inspect pathcomp-frontend --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
-    - echo "PathComp Frontend Host: $PATHCOMPSERVICE_SERVICE_HOST"
-    - |
-      # Service preparation
-      docker run --name $IMAGE_NAME -d -p 3030:3030 \
-        --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}" \
-        --env "DEVICESERVICE_SERVICE_HOST=${DEVICESERVICE_SERVICE_HOST}" \
-        --env "PATHCOMPSERVICE_SERVICE_HOST=${PATHCOMPSERVICE_SERVICE_HOST}" \
-        --volume "$PWD/src/$IMAGE_NAME/tests:/opt/results" \
-        --network=teraflowbridge \
-        $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
+    - echo $PATHCOMPSERVICE_SERVICE_HOST
+    - >
+      docker run --name $IMAGE_NAME -d -p 3030:3030
+      --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}"
+      --env "DEVICESERVICE_SERVICE_HOST=${DEVICESERVICE_SERVICE_HOST}"
+      --env "PATHCOMPSERVICE_SERVICE_HOST=${PATHCOMPSERVICE_SERVICE_HOST}"
+      --volume "$PWD/src/$IMAGE_NAME/tests:/opt/results"
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
     - sleep 5
     - docker ps -a
     - docker logs context
@@ -145,49 +181,47 @@ unit_test service:
     - docker logs pathcomp-frontend
     - docker logs pathcomp-backend
     - docker logs $IMAGE_NAME
-    - |
-      # Run the tests
-      docker exec -i $IMAGE_NAME bash -c \
-        "coverage run -m pytest --log-level=INFO --verbose $IMAGE_NAME/tests/test_unitary.py --junitxml=/opt/results/${IMAGE_NAME}_report.xml"
+    - >
+      docker exec -i $IMAGE_NAME bash -c
+      "coverage run -m pytest --log-level=INFO --verbose $IMAGE_NAME/tests/test_unitary.py --junitxml=/opt/results/${IMAGE_NAME}_report.xml"
     - docker exec -i $IMAGE_NAME bash -c "coverage report --include='${IMAGE_NAME}/*' --show-missing"
     - echo "Starting stage: deploy_mock_nodes"
-    - |
-      for port in 11111 22222 33333; do
+    - for port in 11111 22222 33333; do
         if lsof -i:$port >/dev/null 2>&1; then
-          echo "Freeing up port $port..."
-          fuser -k $port/tcp
+          echo "Freeing up port $port...";
+          fuser -k $port/tcp;
         fi
       done
     - MOCK_NODES_DIR="$PWD/src/tests/tools/mock_qkd_nodes"
-    - |
+    - >
       if [ -d "$MOCK_NODES_DIR" ]; then
-        cd "$MOCK_NODES_DIR" || exit
-        ./start.sh &
-        MOCK_NODES_PID=$!
+        cd "$MOCK_NODES_DIR" || exit;
+        ./start.sh &;
+        MOCK_NODES_PID=$!;
       else
-        echo "Error: Mock QKD nodes directory '$MOCK_NODES_DIR' not found."
-        exit 1
+        echo "Error: Mock QKD nodes directory '$MOCK_NODES_DIR' not found.";
+        exit 1;
       fi
     - echo "Waiting for mock nodes to be up..."
     - RETRY_COUNT=0
     - MAX_RETRIES=15
-    - |
+    - >
       while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
         if curl -s http://127.0.0.1:11111 > /dev/null && \
            curl -s http://127.0.0.1:22222 > /dev/null && \
            curl -s http://127.0.0.1:33333 > /dev/null; then
-            echo "Mock nodes are up!"
-            break
+            echo "Mock nodes are up!";
+            break;
         else
-            echo "Mock nodes not ready, retrying in 5 seconds..."
-            RETRY_COUNT=$((RETRY_COUNT + 1))
-            sleep 5
+            echo "Mock nodes not ready, retrying in 5 seconds...";
+            RETRY_COUNT=$((RETRY_COUNT + 1));
+            sleep 5;
         fi
       done
-    - |
+    - >
       if [ $RETRY_COUNT -ge $MAX_RETRIES ]; then
-        echo "Error: Mock nodes failed to start after multiple attempts."
-        exit 1
+        echo "Error: Mock nodes failed to start after multiple attempts.";
+        exit 1;
       fi
     - docker exec -i $IMAGE_NAME bash -c "coverage run --append -m pytest --log-level=INFO --verbose service/tests/qkd/test_functional_bootstrap.py"
   coverage: '/TOTAL\s+\d+\s+\d+\s+(\d+%)/'
@@ -203,7 +237,7 @@ unit_test service:
     - docker rm -f pathcomp-backend
     - docker rm -f device
     - docker rm -f context
-    - docker rm -f $IMAGE_NAME crdb nats
+    - docker rm -f crdb nats
     - docker volume rm -f crdb
     - docker network rm teraflowbridge
     - docker volume prune --force