diff --git a/src/clone_blue_environment.py b/src/clone_blue_environment.py
index 4be65f3..68f3766 100644
--- a/src/clone_blue_environment.py
+++ b/src/clone_blue_environment.py
@@ -1,6 +1,7 @@
 import json
 import logging
 import time
+import os
 
 # noqa: E502
 
@@ -8,9 +9,9 @@
 def main(BLUE_ENV_NAME, GREEN_ENV_NAME, BEANSTALK_APP_NAME, S3_ARTIFACTS_BUCKET, boto_authenticated_client):
 
     beanstalkclient = boto_authenticated_client.client(
-        'elasticbeanstalk', region_name='us-east-1')
+        'elasticbeanstalk', region_name=os.environ['AWS_DEFAULT_REGION'])
     s3client = boto_authenticated_client.client(
-        's3', region_name='us-east-1')
+        's3', region_name=os.environ['AWS_DEFAULT_REGION'])
 
 
     blue_env_info = get_env_info(beanstalkclient, BLUE_ENV_NAME)
@@ -105,14 +106,14 @@ def wait_green_be_ready(beanstalkclient, GREEN_ENV_NAME):
     green_env_info = get_env_info(beanstalkclient, GREEN_ENV_NAME)
     while green_env_info["Environments"][0]["Status"] != "Ready":
         print("Waiting the blue environment be Ready!")
-        time.sleep(60)
+        time.sleep(10)
         green_env_info = get_env_info(beanstalkclient, GREEN_ENV_NAME)
 
 
 def rollback_created_env(boto_authenticated_client, environment_name):
     ''' Terminate a beanstalk environment'''
     beanstalkclient = boto_authenticated_client.client(
-        'elasticbeanstalk', region_name='us-east-1')
+        'elasticbeanstalk', region_name=os.environ['AWS_DEFAULT_REGION'])
 
     green_env_info = get_env_info(beanstalkclient, environment_name)
     if len(green_env_info["Environments"]) == 0:
diff --git a/src/swap_environment.py b/src/swap_environment.py
index 7453bc1..4d47359 100644
--- a/src/swap_environment.py
+++ b/src/swap_environment.py
@@ -1,6 +1,6 @@
 import json
 import time
-import aws_authentication
+import os
 
 
 BLUE_CNAME_CONFIG_FILE = "blue_green_assets/blue_cname.json"
@@ -8,13 +8,13 @@
 
 def main(BLUE_ENV_NAME, GREEN_ENV_NAME, S3_ARTIFACTS_BUCKET, BEANSTALK_APP_NAME, boto_authenticated_client):
     beanstalkclient = boto_authenticated_client.client(
-        "elasticbeanstalk", region_name="us-east-1")
+        "elasticbeanstalk", region_name=os.environ['AWS_DEFAULT_REGION'])
     s3client = boto_authenticated_client.client(
-        's3', region_name='us-east-1')
+        's3', region_name=os.environ['AWS_DEFAULT_REGION'])
     route53_client = boto_authenticated_client.client(
-        'route53', region_name='us-east-1')
+        'route53', region_name=os.environ['AWS_DEFAULT_REGION'])
     ssm_client = boto_authenticated_client.client(
-        'ssm', region_name='us-east-1')
+        'ssm', region_name=os.environ['AWS_DEFAULT_REGION'])
 
     blue_env_url = get_env_address(
         BLUE_CNAME_CONFIG_FILE, S3_ARTIFACTS_BUCKET, s3client)
@@ -107,7 +107,7 @@ def create_route53_records(route53_client, applications_list, green_env_url, hos
                         "ResourceRecordSet": {
                             "Type": "CNAME",
                             "Name": record,
-                            "Region": "us-east-1",
+                            "Region": os.environ['AWS_DEFAULT_REGION'],
                             "SetIdentifier": f"{record} Identifier",
                             "TTL": 60,
                             "ResourceRecords": [
@@ -135,9 +135,9 @@ def re_swap_dns(boto_authenticated_client, S3_ARTIFACTS_BUCKET, GREEN_ENV_NAME,
     '''Re-swap beanstalk environments Domains applying the rollback'''
 
     beanstalkclient = boto_authenticated_client.client(
-        "elasticbeanstalk", region_name="us-east-1")
+        "elasticbeanstalk", region_name=os.environ['AWS_DEFAULT_REGION'])
     s3client = boto_authenticated_client.client(
-        's3', region_name='us-east-1')
+        's3', region_name=os.environ['AWS_DEFAULT_REGION'])
 
     blue_env_url = get_env_address(
         BLUE_CNAME_CONFIG_FILE, S3_ARTIFACTS_BUCKET, s3client
diff --git a/src/terminate_green_env.py b/src/terminate_green_env.py
index 45e91b6..f83c7c5 100644
--- a/src/terminate_green_env.py
+++ b/src/terminate_green_env.py
@@ -5,8 +5,8 @@
 def main(BLUE_ENV_NAME, GREEN_ENV_NAME, BEANSTALK_APP_NAME, boto_authenticated_client):
     CREATE_CONFIG_TEMPLATE_NAME = "BlueEnvConfig"
 
-    beanstalkclient = boto_authenticated_client.client('elasticbeanstalk',region_name='us-east-1')
-    s3client = boto_authenticated_client.client('s3',region_name='us-east-1')
+    beanstalkclient = boto_authenticated_client.client('elasticbeanstalk',region_name=os.environ['AWS_DEFAULT_REGION'])
+    s3client = boto_authenticated_client.client('s3',region_name=os.environ['AWS_DEFAULT_REGION'])
     try:
         print("Starting the job")
         # Extract the Job Data