diff --git a/client/container_preparation/entrypoint.sh b/client/container_preparation/entrypoint.sh
index 56d4c74..099532f 100755
--- a/client/container_preparation/entrypoint.sh
+++ b/client/container_preparation/entrypoint.sh
@@ -10,6 +10,7 @@ docker_path="/var/run/docker.sock"
 parse_args() {
     while [[ "$#" -gt 0 ]]; do
         case "$1" in
+            --config) config="$2"; shift 2 ;;
             -b|--base-oci-image) base_oci_image="$2"; shift 2 ;;
             -s|--sif-path) sif_path="$2"; shift 2 ;;
             -e|--encrypted) encrypted=true; shift ;;
@@ -26,7 +27,7 @@ parse_args() {
     done
 
     # Check for required arguments
-    if [ -z "$base_oci_image" ] || [ -z "$sif_path" ] || [ -z "$data_path" ] || [ -z "$data_path_at_rest" ] || ( [ -z "$users" ] && [ -z "$groups" ] ) || [ -z "$compute_nodes" ]; then
+    if [ -z "$config" ] || [ -z "$base_oci_image" ] || [ -z "$sif_path" ] || [ -z "$data_path" ] || [ -z "$data_path_at_rest" ] || ( [ -z "$users" ] && [ -z "$groups" ] ) || [ -z "$compute_nodes" ]; then
         echo echo "Please provides options for both of these programs : "
         python3 ./prepare_container.py --help
         python3 ./utils/ship_a_key.py --help
@@ -110,13 +111,13 @@ else
 
     if [ -z "$users" ]; then
         # If the user provided only groups
-        python3 ./utils/ship_a_key.py --username "$username" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
+        python3 ./utils/ship_a_key.py --config $config --username "$username" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
     elif [ -z "$groups" ] ; then
         # If the user provided only users
-        python3 ./utils/ship_a_key.py --username "$username" -u "$users" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
+        python3 ./utils/ship_a_key.py --config $config --username "$username" -u "$users" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
     else
         # If the user provided both
-        python3 ./utils/ship_a_key.py --username "$username" -u "$users" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
+        python3 ./utils/ship_a_key.py --config $config --username "$username" -u "$users" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
     fi
 
     echo -e "${YELLOW}[LUMI-SD]${NC}${BLUE}[Container preparation]${NC} Key written to the vault"
diff --git a/client/data_preparation/entrypoint.sh b/client/data_preparation/entrypoint.sh
index 1627cee..ffbb7f8 100755
--- a/client/data_preparation/entrypoint.sh
+++ b/client/data_preparation/entrypoint.sh
@@ -7,6 +7,7 @@
 parse_args() {
     while [[ "$#" -gt 0 ]]; do
         case "$1" in
+            --config) config="$2"; shift 2 ;;
             -i|--input-data) input_data="$2"; shift 2 ;;
             -o|--output-data) output_data="$2"; shift 2 ;;
             --data-path) data_path="$2"; shift 2 ;;
@@ -21,7 +22,7 @@ parse_args() {
     done
 
     # Check for required arguments
-    if [ -z "$input_data" ] || [ -z "$output_data" ] || [ -z "$data_path" ] || [ -z "$data_path_at_rest" ] || [ -z "$username" ] || ( [ -z "$users" ] && [ -z "$groups" ] ) || [ -z "$compute_nodes" ]; then
+    if [ -z "$config" ] || [ -z "$input_data" ] || [ -z "$output_data" ] || [ -z "$data_path" ] || [ -z "$data_path_at_rest" ] || [ -z "$username" ] || ( [ -z "$users" ] && [ -z "$groups" ] ) || [ -z "$compute_nodes" ]; then
         echo echo "Please provides options for both of these programs : "
         python3 ./prepare_data.py --help
         python3 ./utils/ship_a_key.py --help
@@ -96,13 +97,13 @@ echo -e "${YELLOW}[LUMI-SD]${NC}${BLUE}[Data preparation]${NC} Writing key to th
 # Handle different cases of user provided compute nodes / user / groups
 if [ -z "$users" ]; then
     # If the user provided only groups
-    python3 ./utils/ship_a_key.py --username "$username" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
+    python3 ./utils/ship_a_key.py --config $config --username "$username" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
 elif [ -z "$groups" ] ; then
     # If the user provided only users
-    python3 ./utils/ship_a_key.py --username "$username" -u "$users" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
+    python3 ./utils/ship_a_key.py --config $config --username "$username" -u "$users" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
 else
     # If the user provided both
-    python3 ./utils/ship_a_key.py --username "$username" -u "$users" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
+    python3 ./utils/ship_a_key.py --config $config --username "$username" -u "$users" -g "$groups" -c "$compute_nodes" --data-path "$data_path" --data-path-at-rest "$data_path_at_rest" -i "$spiffeID" || end_entrypoint "$spire_agent_pid" 1
 fi
 
 echo -e "${YELLOW}[LUMI-SD]${NC}${BLUE}[Data preparation]${NC} Key written to the vault"
diff --git a/utils/ship_a_key.py b/utils/ship_a_key.py
index affce34..d56e5da 100644
--- a/utils/ship_a_key.py
+++ b/utils/ship_a_key.py
@@ -11,6 +11,8 @@
 from hashlib import sha512
 from ssh_utils import ssh_connect, ssh_copy_file
 
+from configparser import ConfigParser, NoSectionError, NoOptionError
+
 # Provide client_id from cli$
 # Same for trust domain
 # Get image id and transform as for server
@@ -26,6 +28,11 @@ def parse_arguments() -> argparse.ArgumentParser:
     """
     parser = argparse.ArgumentParser(description="CLI Options")
 
+    parser.add_argument(
+        "--config",
+        required=True,
+        help="Path to the client configuration file",
+    )
     parser.add_argument(
         "--users",
         "-u",
@@ -82,19 +89,6 @@ def parse_arguments() -> argparse.ArgumentParser:
         type=str,
         help="Path to write the dataset on the supercomputer storage default :",
     )
-    parser.add_argument(
-        "--sd-server-address",
-        "-a",
-        type=str,
-        help="Server address",
-    )
-    parser.add_argument(
-        "--sd-server-port",
-        "-ap",
-        type=int,
-        default=10080,
-        help="SD API server port (default: 10080)",
-    )
     parser.add_argument(
         "--username",
         required=True,
@@ -103,6 +97,25 @@ def parse_arguments() -> argparse.ArgumentParser:
 
     return parser.parse_args()
 
+# Parse configuration file
+def parse_configuration(path : str):
+    config = ConfigParser()
+    config.read(path)
+    
+    if not 'hpcs-server' in config:
+        raise NoSectionError("hpcs-server section missing in configuration file, aborting")
+    
+    if not 'vault' in config:
+        raise NoSectionError("vault section missing in configuration file, aborting")
+    
+    if not 'url' in config['hpcs-server']:
+        raise NoOptionError("'hpcs-server' section is incomplete in configuration file, aborting")
+    
+    if not 'url' in config['vault']:
+        raise NoOptionError("'vault' section is incomplete in configuration file, aborting")
+        
+    return config
+
 
 def validate_options(options: argparse.ArgumentParser):
     """Check for the cli-provided options
@@ -194,7 +207,7 @@ def validate_options(options: argparse.ArgumentParser):
 
 
 def create_authorized_workloads(
-    SVID: JwtSvid, secret, server, port, users, groups, compute_nodes
+    SVID: JwtSvid, secret, url, users, groups, compute_nodes
 ):
     """Create workloads that are authorized to access to a secret
 
@@ -212,7 +225,7 @@ def create_authorized_workloads(
     """
 
     # Prepare request
-    url = f"http://{server}:{port}/api/client/create-workloads"
+    url = f"{url}/api/client/create-workloads"
     payload = {
         "jwt": SVID.token,
         "secret": secret,
@@ -248,7 +261,9 @@ def create_authorized_workloads(
 
 if __name__ == "__main__":
     # Parse arguments from CLI
-    options = parse_arguments()
+    options = parse_arguments()    
+    # Parse configuration file
+    configuration = parse_configuration(options.config)
 
     # Validate / Parse them
     (
@@ -277,15 +292,14 @@ def create_authorized_workloads(
     users_spiffeID, client_id, secrets_path, user_role = create_authorized_workloads(
         SVID,
         secret_name,
-        options.sd_server_address,
-        options.sd_server_port,
+        configuration["hpcs-server"]["url"],
         users,
         groups,
         compute_nodes,
     )
 
     # Login to the vault using client's certificate
-    hvac_client = vault_login(SVID, f"client_{client_id}")
+    hvac_client = vault_login(configuration["vault"]["url"], SVID, f"client_{client_id}")
 
     # Prepare secret
     secret = {}
@@ -329,11 +343,11 @@ def create_authorized_workloads(
     ssh_copy_file(
         ssh_client,
         "/tmp/dataset_info.yaml",
-        f"{options.data_path_at_rest}{secret_name}.info.yaml",
+        f"{options.data_path_at_rest}/{secret_name}.info.yaml",
     )
 
     print(
-        f"Data and info file were shipped to te supercomputer. Infos about the dataset are available at {options.data_path_at_rest}/{secret_name}.info.yaml"
+        f"Data and info file were shipped to te supercomputer. Info about the dataset are available at {options.data_path_at_rest}/{secret_name}.info.yaml"
     )
 
     ssh_client.close()
diff --git a/utils/ssh_utils.py b/utils/ssh_utils.py
index ade6b5f..90eb3d6 100644
--- a/utils/ssh_utils.py
+++ b/utils/ssh_utils.py
@@ -1,5 +1,5 @@
 from paramiko.client import SSHClient
-from paramiko import SSHException, AutoAddPolicy
+from paramiko import SSHException, AutoAddPolicy, RSAKey
 from scp import SCPClient
 
 # Hostname and port configuration
@@ -30,11 +30,13 @@ def ssh_connect(username: str) -> SSHClient:
 
     # Probably running in a container
     except SSHException:
+        pkey=RSAKey.from_private_key_file("/tmp/.ssh/id_rsa")
         client.connect(
             host,
             port,
             username=username,
-            key_filename="/tmp/.ssh/id_rsa",
+             pkey=pkey,
+             look_for_keys=False,
             auth_timeout=30,
             timeout=30,
         )