diff --git a/Dockerfile b/Dockerfile
index 0173652..b2884e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,38 @@
-ARG BASE_IMAGE="adoptopenjdk/openjdk14:alpine-slim"
+ARG BASE_IMAGE="adoptopenjdk/openjdk14:alpine"
 
 FROM ${BASE_IMAGE}
 
+# Install groovy
+ENV GROOVY_HOME=/opt/groovy
+ENV GROOVY_VERSION=4.0.9
+
+RUN set -o errexit -o nounset && echo "Installing build dependencies" && \
+    apk add --no-cache --virtual .build-deps gnupg &&  \
+    echo "Downloading Groovy" &&  \
+    wget --no-verbose --output-document=groovy.zip "https://archive.apache.org/dist/groovy/${GROOVY_VERSION}/distribution/apache-groovy-binary-${GROOVY_VERSION}.zip" &&  \
+    echo "Importing keys listed in http://www.apache.org/dist/groovy/KEYS from key server" &&  \
+    export GNUPGHOME="$(mktemp -d)" &&  \
+    gpg --batch --no-tty --keyserver keyserver.ubuntu.com --recv-keys 7FAA0F2206DE228F0DB01AD741321490758AAD6F 331224E1D7BE883D16E8A685825C06C827AF6B66 34441E504A937F43EB0DAEF96A65176A0FB1CD0B 9A810E3B766E089FFB27C70F11B595CEDC4AEBB5 81CABC23EECA0790E8989B361FF96E10F0E13706 &&  \
+    echo "Checking download signature" &&  \
+    wget --no-verbose --output-document=groovy.zip.asc "https://archive.apache.org/dist/groovy/${GROOVY_VERSION}/distribution/apache-groovy-binary-${GROOVY_VERSION}.zip.asc" &&  \
+    gpg --batch --no-tty --verify groovy.zip.asc groovy.zip &&  \
+    rm -rf "${GNUPGHOME}"  \
+    && rm groovy.zip.asc &&  \
+    echo "Cleaning up build dependencies" &&  \
+    apk del .build-deps && echo "Installing Groovy" &&  \
+    unzip groovy.zip &&  \
+    rm groovy.zip &&  \
+    mv "groovy-${GROOVY_VERSION}" "${GROOVY_HOME}/" &&  \
+    ln -s "${GROOVY_HOME}/bin/grape" /usr/bin/grape &&  \
+    ln -s "${GROOVY_HOME}/bin/groovy" /usr/bin/groovy &&  \
+    ln -s "${GROOVY_HOME}/bin/groovyc" /usr/bin/groovyc &&  \
+    ln -s "${GROOVY_HOME}/bin/groovyConsole" /usr/bin/groovyConsole &&  \
+    ln -s "${GROOVY_HOME}/bin/groovydoc" /usr/bin/groovydoc &&  \
+    ln -s "${GROOVY_HOME}/bin/groovysh" /usr/bin/groovysh &&  \
+    ln -s "${GROOVY_HOME}/bin/java2groovy" /usr/bin/java2groovy &&  \
+    echo "Editing startGroovy to include java.xml.bind module" &&  \
+    sed --in-place 's|startGroovy ( ) {|startGroovy ( ) {\n JAVA_OPTS="$JAVA_OPTS --add-modules=ALL-SYSTEM"|' "${GROOVY_HOME}/bin/startGroovy"
+
 # Install docker-cli, docker-compose, git, bash
 RUN apk update && \
     apk add --no-cache docker-cli python3 py3-pip git bash && \