diff --git a/.gitignore b/.gitignore
index 09eb20a6..87817df3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,3 +76,4 @@ node_modules/
 .classpath
 .project
 .settings/
+docs/BDD_video.mp4
diff --git a/README.md b/README.md
index cef0ff62..a6e60760 100644
--- a/README.md
+++ b/README.md
@@ -183,3 +183,5 @@ For example, to set it all up on a [local Windows box](https://raw.githubusercon
 ![SonarQube analysis](https://c2.staticflickr.com/8/7823/33202009548_e678128200_b.jpg)
 
 ![Running performance tests](https://c2.staticflickr.com/8/7854/47077017751_7e045f68dd_b.jpg)
+
+Change made to demonstrate push and pull request...
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index ff7b120e..876776d6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ plugins {
 
     // gretty is a gradle plugin to make it easy to run a server and hotswap code at runtime.
     // https://plugins.gradle.org/plugin/org.gretty
-    id 'org.gretty' version '3.0.4'
+    id 'org.gretty' version '3.0.6'
 
     // provides access to a database versioning tool.
     id "org.flywaydb.flyway" version "6.0.8"
@@ -663,4 +663,3 @@ task runPerfTests(type:Exec) {
 }
 
 
-
diff --git a/desktop_app/gradle/wrapper/gradle-wrapper.properties b/desktop_app/gradle/wrapper/gradle-wrapper.properties
index f371643e..e750102e 100644
--- a/desktop_app/gradle/wrapper/gradle-wrapper.properties
+++ b/desktop_app/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/dockerfile b/dockerfile
new file mode 100644
index 00000000..c7e350db
--- /dev/null
+++ b/dockerfile
@@ -0,0 +1,39 @@
+FROM ubuntu:22.04
+COPY . /project
+WORKDIR /project
+
+#install tool
+RUN apt-get update && apt-get install -y \
+    wget \
+    curl \
+    software-properties-common
+# #python
+# RUN apt-get install -y python3 python3-pip && \
+#     ln -s /usr/bin/python3 /usr/bin/python
+#java
+RUN apt-get install -y openjdk-17-jdk
+RUN apt-get install -y openjdk-17-jre
+# RUN java -version && python --version
+RUN java -version
+#unzip
+RUN apt-get update && apt-get install -y unzip
+# #gradle
+ENV GRADLE_VERSION=8.13
+RUN wget https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip -O /tmp/gradle.zip && \
+    unzip /tmp/gradle.zip -d /opt && \
+    rm /tmp/gradle.zip
+ENV GRADLE_HOME=/opt/gradle-${GRADLE_VERSION}
+ENV PATH=$PATH:$GRADLE_HOME/bin
+#chorme driver
+RUN CHROMEDRIVER_VERSION=$(wget -qO - https://chromedriver.storage.googleapis.com/LATEST_RELEASE) && \
+    wget -q -O /tmp/chromedriver.zip https://chromedriver.storage.googleapis.com/${CHROMEDRIVER_VERSION}/chromedriver_linux64.zip && \
+    unzip /tmp/chromedriver.zip -d /usr/local/bin/ && \
+    rm /tmp/chromedriver.zip
+RUN chmod +x /usr/local/bin/chromedriver
+RUN chromedriver --version
+
+#Clean
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
+
+EXPOSE 8080
+# CMD [ "./gradlew","apprun" ]
\ No newline at end of file
diff --git a/docs/BDD_video.mp4 b/docs/BDD_video.mp4
index 27c4646c..571239ed 100644
Binary files a/docs/BDD_video.mp4 and b/docs/BDD_video.mp4 differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index f371643e..e750102e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/ui_tests/java/gradle/wrapper/gradle-wrapper.properties b/src/ui_tests/java/gradle/wrapper/gradle-wrapper.properties
index f371643e..e750102e 100644
--- a/src/ui_tests/java/gradle/wrapper/gradle-wrapper.properties
+++ b/src/ui_tests/java/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists