diff --git a/docker-image/Dockerfile b/docker-image/Dockerfile
index 230756a..5b66ddc 100644
--- a/docker-image/Dockerfile
+++ b/docker-image/Dockerfile
@@ -13,8 +13,8 @@
 # limitations under the License.
 
 
-# Start with a base Python 3.7.2 image
-FROM python:3.7.2
+# Start with a base Python 3.8.2 image
+FROM python:3.8.2
 
 # Add the licenses for third party software and libraries
 ADD licenses /licenses
@@ -26,10 +26,10 @@ ADD locust-tasks /locust-tasks
 RUN pip install -r /locust-tasks/requirements.txt
 
 # Expose the required Locust ports
-EXPOSE 5557 5558 8089
+EXPOSE 5557 8089
 
 # Set script to be executable
 RUN chmod 755 /locust-tasks/run.sh
 
 # Start Locust using LOCUS_OPTS environment variable
-ENTRYPOINT ["/locust-tasks/run.sh"] 
+ENTRYPOINT ["/locust-tasks/run.sh"]
diff --git a/docker-image/locust-tasks/requirements.txt b/docker-image/locust-tasks/requirements.txt
index 14c17cf..1f758c1 100644
--- a/docker-image/locust-tasks/requirements.txt
+++ b/docker-image/locust-tasks/requirements.txt
@@ -2,17 +2,16 @@ certifi==2019.3.9
 chardet==3.0.4
 Click==7.0
 Flask==1.0.2
-gevent==1.4.0
+gevent==1.5a3
 greenlet==0.4.15
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.1
-locustio==0.11.0
+locustio==0.14.5
 MarkupSafe==1.1.1
-msgpack==0.6.1
-msgpack-python==0.5.6
+msgpack==1.0.0
 pyzmq==18.0.1
 requests==2.21.0
 six==1.12.0
 urllib3==1.24.2
-Werkzeug==0.15.1
+Werkzeug==0.15.5
diff --git a/docker-image/locust-tasks/run.sh b/docker-image/locust-tasks/run.sh
index ba5f684..4693cc0 100644
--- a/docker-image/locust-tasks/run.sh
+++ b/docker-image/locust-tasks/run.sh
@@ -22,9 +22,9 @@ LOCUST_MODE=${LOCUST_MODE:-standalone}
 if [[ "$LOCUST_MODE" = "master" ]]; then
     LOCUS_OPTS="$LOCUS_OPTS --master"
 elif [[ "$LOCUST_MODE" = "worker" ]]; then
-    LOCUS_OPTS="$LOCUS_OPTS --slave --master-host=$LOCUST_MASTER"
+    LOCUS_OPTS="$LOCUS_OPTS --slave --master-host=$LOCUST_MASTER_HOST"
 fi
 
 echo "$LOCUST $LOCUS_OPTS"
 
-$LOCUST $LOCUS_OPTS
\ No newline at end of file
+$LOCUST $LOCUS_OPTS
diff --git a/docker-image/locust-tasks/tasks.py b/docker-image/locust-tasks/tasks.py
index 6e6fc55..05df230 100644
--- a/docker-image/locust-tasks/tasks.py
+++ b/docker-image/locust-tasks/tasks.py
@@ -18,7 +18,7 @@
 import uuid
 
 from datetime import datetime
-from locust import HttpLocust, TaskSet, task
+from locust import HttpLocust, TaskSet, task, between
 
 
 class MetricsTaskSet(TaskSet):
@@ -39,4 +39,5 @@ def post_metrics(self):
 
 
 class MetricsLocust(HttpLocust):
-    task_set = MetricsTaskSet
\ No newline at end of file
+    task_set = MetricsTaskSet
+    wait_time = between(5, 10)
diff --git a/kubernetes-config/locust-master-controller.yaml b/kubernetes-config/locust-master-controller.yaml
index 63466f1..dc9cdf1 100644
--- a/kubernetes-config/locust-master-controller.yaml
+++ b/kubernetes-config/locust-master-controller.yaml
@@ -44,6 +44,4 @@ spec:
             - name: loc-master-p1
               containerPort: 5557
               protocol: TCP
-            - name: loc-master-p2
-              containerPort: 5558
-              protocol: TCP
+      enableServiceLinks: false
diff --git a/kubernetes-config/locust-worker-controller.yaml b/kubernetes-config/locust-worker-controller.yaml
index 7c1a682..30b4d72 100644
--- a/kubernetes-config/locust-worker-controller.yaml
+++ b/kubernetes-config/locust-worker-controller.yaml
@@ -34,7 +34,8 @@ spec:
           env:
             - name: LOCUST_MODE
               value: worker
-            - name: LOCUST_MASTER
+            - name: LOCUST_MASTER_HOST
               value: locust-master
             - name: TARGET_HOST
               value: https://[TARGET_HOST]
+      enableServiceLinks: false
diff --git a/sample-webapp/.gcloudignore b/sample-webapp/.gcloudignore
new file mode 100644
index 0000000..a987f11
--- /dev/null
+++ b/sample-webapp/.gcloudignore
@@ -0,0 +1,19 @@
+# This file specifies files that are *not* uploaded to Google Cloud Platform
+# using gcloud. It follows the same syntax as .gitignore, with the addition of
+# "#!include" directives (which insert the entries of the given .gitignore-style
+# file at that point).
+#
+# For more information, run:
+#   $ gcloud topic gcloudignore
+#
+.gcloudignore
+# If you would like to upload your .git directory, .gitignore file or files
+# from your .gitignore file, remove the corresponding line
+# below:
+.git
+.gitignore
+
+# Python pycache:
+__pycache__/
+# Ignored by the build system
+/setup.cfg
\ No newline at end of file