Update Dockerfile

Dockerfile

@@ -1,5 +1,27 @@
 FROM python:3.8.9
 
+# Set environment variables for Java
+ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
+ENV PATH $JAVA_HOME/bin:$PATH
+
+# Install OpenJDK 11
+RUN apt-get update && \
+    apt-get install -y openjdk-11-jdk && \
+    apt-get clean;
+
+# Install Gradle
+ENV GRADLE_HOME /opt/gradle
+ENV PATH $GRADLE_HOME/bin:$PATH
+ENV GRADLE_VERSION 7.3
+
+RUN wget -q https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip -P /tmp && \
+    unzip -q /tmp/gradle-${GRADLE_VERSION}-bin.zip -d /opt && \
+    ln -s /opt/gradle-${GRADLE_VERSION} /opt/gradle && \
+    rm /tmp/gradle-${GRADLE_VERSION}-bin.zip
+
+RUN apt-get update && \
+    apt-get -y --no-install-recommends install unzip
+
 WORKDIR /app
 
 COPY ./requirements.txt /app/requirements.txt
@@ -29,4 +51,4 @@ CMD streamlit run app.py \
     --server.headless true \
     --server.enableCORS false \
     --server.enableXsrfProtection false \
-    --server.fileWatcherType none
+    --server.fileWatcherType none