diff --git a/src/service/.gitlab-ci.yml b/src/service/.gitlab-ci.yml
index 6806f4e455f4c3a540cc1b089174bc3234099be3..e2feae0cc1d28a093bb2a3b797eefa415a898751 100644
--- a/src/service/.gitlab-ci.yml
+++ b/src/service/.gitlab-ci.yml
@@ -52,39 +52,137 @@ unit_test service:
     - unit_test pathcomp-frontend
   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"; else docker network create --driver=bridge --subnet=172.28.0.0/24 --gateway=172.28.0.254 teraflowbridge; fi
-    - if docker container ls | grep $IMAGE_NAME; then docker rm -f $IMAGE_NAME; else echo "$IMAGE_NAME image is not in the system"; fi
+    - if docker network list | grep teraflowbridge; then echo "teraflowbridge is already created"; else 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
+
   script:
-    - docker pull "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
+    - docker pull "cockroachdb/cockroach:latest-v22.2"
+    - docker pull "nats:2.9"
+    - docker pull "$CI_REGISTRY_IMAGE/context:$IMAGE_TAG"
+    - docker pull "$CI_REGISTRY_IMAGE/device:$IMAGE_TAG"
     - docker pull "$CI_REGISTRY_IMAGE/pathcomp-frontend:$IMAGE_TAG"
     - docker pull "$CI_REGISTRY_IMAGE/pathcomp-backend:$IMAGE_TAG"
-    - docker run --name pathcomp-backend -d -p 8081:8081 --network=teraflowbridge --ip 172.28.0.1 $CI_REGISTRY_IMAGE/pathcomp-backend:$IMAGE_TAG
+    - docker pull "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
+
+    # Context preparation
+    - docker volume create crdb
+    - >
+      docker run --name crdb -d --network=teraflowbridge -p 26257:26257 -p 8080:8080
+      --env COCKROACH_DATABASE=tfs_test --env COCKROACH_USER=tfs --env COCKROACH_PASSWORD=tfs123
+      --volume "crdb:/cockroach/cockroach-data"
+      cockroachdb/cockroach:latest-v22.2 start-single-node
+    - >
+      docker run --name nats -d --network=teraflowbridge -p 4222:4222 -p 8222:8222
+      nats:2.9 --http_port 8222 --user tfs --pass tfs123
+    - echo "Waiting for initialization..."
+    - while ! docker logs crdb 2>&1 | grep -q 'finished creating default user \"tfs\"'; do sleep 1; done
+    - docker logs crdb
+    - while ! docker logs nats 2>&1 | grep -q 'Server is ready'; do sleep 1; done
+    - docker logs nats
+    - docker ps -a
+    - CRDB_ADDRESS=$(docker inspect crdb --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
+    - echo $CRDB_ADDRESS
+    - NATS_ADDRESS=$(docker inspect nats --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
+    - echo $NATS_ADDRESS
+    - >
+      docker run --name context -d -p 1010:1010
+      --env "CRDB_URI=cockroachdb://tfs:tfs123@${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 $CONTEXTSERVICE_SERVICE_HOST
+
+    # Device preparation
+    - >
+      docker run --name device -d -p 2020:2020
+      --env "CONTEXTSERVICE_SERVICE_HOST=${CONTEXTSERVICE_SERVICE_HOST}"
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/device:$IMAGE_TAG
+    - DEVICESERVICE_SERVICE_HOST=$(docker inspect device --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
+    - echo $DEVICESERVICE_SERVICE_HOST
+
+    # PathComp preparation
+    - >
+      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
     - sleep 1
-    - docker run --name pathcomp-frontend -d -p 10020:10020 --env "PATHCOMP_BACKEND_HOST=172.28.0.1" --env "PATHCOMP_BACKEND_PORT=8081" --network=teraflowbridge --ip 172.28.0.2 $CI_REGISTRY_IMAGE/pathcomp-frontend:$IMAGE_TAG
+    - >
+      docker run --name pathcomp-frontend -d -p 10020:10020
+      --env "PATHCOMP_BACKEND_HOST=${PATHCOMP_BACKEND_HOST}"
+      --env "PATHCOMP_BACKEND_PORT=8081"
+      --network=teraflowbridge
+      $CI_REGISTRY_IMAGE/pathcomp-frontend:$IMAGE_TAG
     - sleep 1
-    - docker run --name $IMAGE_NAME -d -p 3030:3030 -v "$PWD/src/$IMAGE_NAME/tests:/opt/results" --network=teraflowbridge $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
+    - PATHCOMPSERVICE_SERVICE_HOST=$(docker inspect pathcomp-frontend --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
+    - echo $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
+
+    # Check status before the tests
     - sleep 5
     - docker ps -a
+    - docker logs context
+    - docker logs device
     - docker logs pathcomp-frontend
     - docker logs pathcomp-backend
     - docker logs $IMAGE_NAME
-    - 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"
+
+    # 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 $IMAGE_NAME bash -c "coverage report --include='${IMAGE_NAME}/*' --show-missing"
-    - docker logs pathcomp-frontend
-    - docker logs pathcomp-backend
-    - docker logs $IMAGE_NAME
+
   coverage: '/TOTAL\s+\d+\s+\d+\s+(\d+%)/'
   after_script:
+    # Check status after the tests
     - docker ps -a
+    - docker logs context
+    - docker logs device
     - docker logs pathcomp-frontend
     - docker logs pathcomp-backend
-    - docker logs ${IMAGE_NAME}
+    - docker logs $IMAGE_NAME
+
+    - docker rm -f $IMAGE_NAME
     - docker rm -f pathcomp-frontend
     - docker rm -f pathcomp-backend
-    - docker rm -f $IMAGE_NAME
+    - docker rm -f device
+    - docker rm -f context
+
+    - docker rm -f $IMAGE_NAME crdb nats
+    - docker volume rm -f crdb
     - docker network rm teraflowbridge
+    - docker volume prune --force
+    - docker image prune --force
+
   rules:
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && ($CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "develop" || $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH)'
     - if: '$CI_PIPELINE_SOURCE == "push" && $CI_COMMIT_BRANCH == "develop"'
@@ -95,15 +193,7 @@ unit_test service:
       - src/$IMAGE_NAME/Dockerfile
       - src/$IMAGE_NAME/tests/*.py
       - src/$IMAGE_NAME/tests/Dockerfile
-      - src/pathcomp/.gitlab-ci.yml
-      - src/pathcomp/frontend/**/*.{py,in,yml}
-      - src/pathcomp/frontend/Dockerfile
-      - src/pathcomp/frontend/tests/*.py
-      - src/pathcomp/backend/**/*.{c,h,conf}
-      - src/pathcomp/backend/Makefile
-      - src/pathcomp/backend/Dockerfile
       - manifests/${IMAGE_NAME}service.yaml
-      - manifests/pathcompservice.yaml
       - .gitlab-ci.yml
   artifacts:
       when: always