diff --git a/services/clusters-keeper/src/simcore_service_clusters_keeper/data/docker-compose.yml b/services/clusters-keeper/src/simcore_service_clusters_keeper/data/docker-compose.yml
index 87f4a6cf641..213aac41821 100644
--- a/services/clusters-keeper/src/simcore_service_clusters_keeper/data/docker-compose.yml
+++ b/services/clusters-keeper/src/simcore_service_clusters_keeper/data/docker-compose.yml
@@ -47,8 +47,8 @@ services:
     hostname: "{{.Node.Hostname}}-{{.Service.Name}}-{{.Task.Slot}}"
     environment:
       DASK_MONITORING_URL: tcp://dask-scheduler:8786
-      EC2_ACCESS_KEY_ID: ${EC2_CLUSTERS_KEEPER_ACCESS_KEY_ID}
-      EC2_ENDPOINT: ${EC2_CLUSTERS_KEEPER_ENDPOINT}
+      EC2_ACCESS_KEY_ID: ${CLUSTERS_KEEPER_EC2_ACCESS_KEY_ID}
+      EC2_ENDPOINT: ${CLUSTERS_KEEPER_EC2_ENDPOINT}
       EC2_INSTANCES_ALLOWED_TYPES: ${WORKERS_EC2_INSTANCES_ALLOWED_TYPES}
       EC2_INSTANCES_AMI_ID: ${WORKERS_EC2_INSTANCES_AMI_ID}
       EC2_INSTANCES_CUSTOM_BOOT_SCRIPTS: ${WORKERS_EC2_INSTANCES_CUSTOM_BOOT_SCRIPTS}
@@ -59,8 +59,8 @@ services:
       EC2_INSTANCES_SECURITY_GROUP_IDS: ${WORKERS_EC2_INSTANCES_SECURITY_GROUP_IDS}
       EC2_INSTANCES_SUBNET_ID: ${WORKERS_EC2_INSTANCES_SUBNET_ID}
       EC2_INSTANCES_TIME_BEFORE_TERMINATION: ${WORKERS_EC2_INSTANCES_TIME_BEFORE_TERMINATION}
-      EC2_REGION_NAME: ${EC2_CLUSTERS_KEEPER_REGION_NAME}
-      EC2_SECRET_ACCESS_KEY: ${EC2_CLUSTERS_KEEPER_SECRET_ACCESS_KEY}
+      EC2_REGION_NAME: ${CLUSTERS_KEEPER_EC2_REGION_NAME}
+      EC2_SECRET_ACCESS_KEY: ${CLUSTERS_KEEPER_EC2_SECRET_ACCESS_KEY}
       LOG_FORMAT_LOCAL_DEV_ENABLED: 1
       LOG_LEVEL: ${LOG_LEVEL:-WARNING}
       REDIS_HOST: redis
diff --git a/services/clusters-keeper/src/simcore_service_clusters_keeper/utils/clusters.py b/services/clusters-keeper/src/simcore_service_clusters_keeper/utils/clusters.py
index 64cdf4fcb10..805d793a919 100644
--- a/services/clusters-keeper/src/simcore_service_clusters_keeper/utils/clusters.py
+++ b/services/clusters-keeper/src/simcore_service_clusters_keeper/utils/clusters.py
@@ -40,8 +40,8 @@ def _convert_to_env_list(entries: list[Any]) -> str:
 
     environment_variables = [
         f"DOCKER_IMAGE_TAG={app_settings.CLUSTERS_KEEPER_COMPUTATIONAL_BACKEND_DOCKER_IMAGE_TAG}",
-        f"EC2_CLUSTERS_KEEPER_ACCESS_KEY_ID={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_ACCESS_KEY_ID}",
-        f"EC2_CLUSTERS_KEEPER_ENDPOINT={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_ENDPOINT}",
+        f"CLUSTERS_KEEPER_EC2_ACCESS_KEY_ID={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_ACCESS_KEY_ID}",
+        f"CLUSTERS_KEEPER_EC2_ENDPOINT={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_ENDPOINT}",
         f"WORKERS_EC2_INSTANCES_ALLOWED_TYPES={_convert_to_env_list(app_settings.CLUSTERS_KEEPER_WORKERS_EC2_INSTANCES.WORKERS_EC2_INSTANCES_ALLOWED_TYPES)}",
         f"WORKERS_EC2_INSTANCES_AMI_ID={app_settings.CLUSTERS_KEEPER_WORKERS_EC2_INSTANCES.WORKERS_EC2_INSTANCES_AMI_ID}",
         f"WORKERS_EC2_INSTANCES_CUSTOM_BOOT_SCRIPTS={_convert_to_env_list(app_settings.CLUSTERS_KEEPER_WORKERS_EC2_INSTANCES.WORKERS_EC2_INSTANCES_CUSTOM_BOOT_SCRIPTS)}",
@@ -52,8 +52,8 @@ def _convert_to_env_list(entries: list[Any]) -> str:
         f"WORKERS_EC2_INSTANCES_SECURITY_GROUP_IDS={_convert_to_env_list(app_settings.CLUSTERS_KEEPER_WORKERS_EC2_INSTANCES.WORKERS_EC2_INSTANCES_SECURITY_GROUP_IDS)}",
         f"WORKERS_EC2_INSTANCES_SUBNET_ID={app_settings.CLUSTERS_KEEPER_WORKERS_EC2_INSTANCES.WORKERS_EC2_INSTANCES_SUBNET_ID}",
         f"WORKERS_EC2_INSTANCES_TIME_BEFORE_TERMINATION={app_settings.CLUSTERS_KEEPER_WORKERS_EC2_INSTANCES.WORKERS_EC2_INSTANCES_TIME_BEFORE_TERMINATION}",
-        f"EC2_CLUSTERS_KEEPER_REGION_NAME={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_REGION_NAME}",
-        f"EC2_CLUSTERS_KEEPER_SECRET_ACCESS_KEY={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_SECRET_ACCESS_KEY}",
+        f"CLUSTERS_KEEPER_EC2_REGION_NAME={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_REGION_NAME}",
+        f"CLUSTERS_KEEPER_EC2_SECRET_ACCESS_KEY={app_settings.CLUSTERS_KEEPER_EC2_ACCESS.EC2_SECRET_ACCESS_KEY}",
         f"LOG_LEVEL={app_settings.LOG_LEVEL}",
     ]
 
diff --git a/services/clusters-keeper/tests/manual/README.md b/services/clusters-keeper/tests/manual/README.md
index 4d508b28226..a2ecd57c8a0 100644
--- a/services/clusters-keeper/tests/manual/README.md
+++ b/services/clusters-keeper/tests/manual/README.md
@@ -60,10 +60,10 @@ S3_SECURE=1
 4. prepare clusters-keeper:
 ```bash
 CLUSTERS_KEEPER_EC2_ACCESS={}
-EC2_CLUSTERS_KEEPER_ACCESS_KEY_ID=XXXXXXX
-EC2_CLUSTERS_KEEPER_ENDPOINT=https://ec2.amazonaws.com
-EC2_CLUSTERS_KEEPER_REGION_NAME=us-east-1
-EC2_CLUSTERS_KEEPER_SECRET_ACCESS_KEY=XXXXXXX
+CLUSTERS_KEEPER_EC2_ACCESS_KEY_ID=XXXXXXX
+CLUSTERS_KEEPER_EC2_ENDPOINT=https://ec2.amazonaws.com
+CLUSTERS_KEEPER_EC2_REGION_NAME=us-east-1
+CLUSTERS_KEEPER_SECRET_EC2_ACCESS_KEY=XXXXXXX
 
 CLUSTERS_KEEPER_PRIMARY_EC2_INSTANCES={}
 PRIMARY_EC2_INSTANCES_ALLOWED_TYPES="[\"t2.micro\"]"
diff --git a/services/docker-compose.yml b/services/docker-compose.yml
index 0d37c5d002d..e8f63bbaaf7 100644
--- a/services/docker-compose.yml
+++ b/services/docker-compose.yml
@@ -86,10 +86,10 @@ services:
       - CLUSTERS_KEEPER_TASK_INTERVAL=${CLUSTERS_KEEPER_TASK_INTERVAL}
       - CLUSTERS_KEEPER_LOGLEVEL=${LOG_LEVEL:-WARNING}
       - CLUSTERS_KEEPER_EC2_ACCESS=${CLUSTERS_KEEPER_EC2_ACCESS}
-      - EC2_CLUSTERS_KEEPER_ACCESS_KEY_ID=${EC2_CLUSTERS_KEEPER_ACCESS_KEY_ID}
-      - EC2_CLUSTERS_KEEPER_ENDPOINT=${EC2_CLUSTERS_KEEPER_ENDPOINT}
-      - EC2_CLUSTERS_KEEPER_REGION_NAME=${EC2_CLUSTERS_KEEPER_REGION_NAME}
-      - EC2_CLUSTERS_KEEPER_SECRET_ACCESS_KEY=${EC2_CLUSTERS_KEEPER_SECRET_ACCESS_KEY}
+      - CLUSTERS_KEEPER_EC2_ACCESS_KEY_ID=${CLUSTERS_KEEPER_EC2_ACCESS_KEY_ID}
+      - CLUSTERS_KEEPER_EC2_ENDPOINT=${CLUSTERS_KEEPER_EC2_ENDPOINT}
+      - CLUSTERS_KEEPER_EC2_REGION_NAME=${CLUSTERS_KEEPER_EC2_REGION_NAME}
+      - CLUSTERS_KEEPER_EC2_SECRET_ACCESS_KEY=${CLUSTERS_KEEPER_}
       - LOG_FORMAT_LOCAL_DEV_ENABLED=${LOG_FORMAT_LOCAL_DEV_ENABLED}
       - CLUSTERS_KEEPER_PRIMARY_EC2_INSTANCES=${CLUSTERS_KEEPER_PRIMARY_EC2_INSTANCES}
       - PRIMARY_EC2_INSTANCES_ALLOWED_TYPES=${PRIMARY_EC2_INSTANCES_ALLOWED_TYPES}