diff --git a/README.md b/README.md
index 094bad6..c53d68f 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,12 @@
 Starting from Ver. 2.14, a new introduction screen guides you through the basics of Gerrit
 and allows installing additional plugins downloaded from [Gerrit CI](https://gerrit-ci.gerritforge.com).
 
+Official releases are also available as Docker images, e.g. use the following to run the 3.0.0 version.
+
+```
+docker run -ti -p 8080:8080 -p 29418:29418 gerritcodereview/gerrit:3.0.0
+```
+
 ## Build docker image
 
 For docker images that contain released Gerrit versions, tags exist in this git repository pointing
diff --git a/centos/7/entrypoint.sh b/centos/7/entrypoint.sh
deleted file mode 100755
index bf40fc8..0000000
--- a/centos/7/entrypoint.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/bash -e
-
-if [ ! -d /var/gerrit/git/All-Projects.git ] || [ "$1" == "init" ]
-then
-  echo "Initializing Gerrit site ..."
-  java -jar /var/gerrit/bin/gerrit.war init --batch --install-all-plugins -d /var/gerrit
-  java -jar /var/gerrit/bin/gerrit.war reindex -d /var/gerrit
-  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "-Djava.security.egd=file:/dev/./urandom"
-fi
-
-git config -f /var/gerrit/etc/gerrit.config gerrit.canonicalWebUrl "${CANONICAL_WEB_URL:-http://$HOSTNAME}"
-if [ ${HTTPD_LISTEN_URL} ];
-then
-  git config -f /var/gerrit/etc/gerrit.config httpd.listenUrl ${HTTPD_LISTEN_URL}
-fi
-
-if [ "$1" != "init" ]
-then
-  echo "Running Gerrit ..."
-  exec /var/gerrit/bin/gerrit.sh run
-fi
diff --git a/centos/7/.dockerignore b/centos/8/.dockerignore
similarity index 100%
rename from centos/7/.dockerignore
rename to centos/8/.dockerignore
diff --git a/centos/7/Dockerfile b/centos/8/Dockerfile
similarity index 78%
rename from centos/7/Dockerfile
rename to centos/8/Dockerfile
index 0a5fe4c..164b6b7 100644
--- a/centos/7/Dockerfile
+++ b/centos/8/Dockerfile
@@ -1,4 +1,4 @@
-FROM centos:7.7.1908
+FROM centos:8.1.1911
 MAINTAINER Gerrit Code Review Community
 
 # Add Gerrit packages repository
@@ -9,12 +9,15 @@
 # Install OS pre-prequisites, OpenJDK and Gerrit in two subsequent transactions
 # (pre-trans Gerrit script needs to have access to the Java command)
 RUN yum -y install initscripts && \
-    yum -y install java-1.8.0-openjdk && \
-    yum -y install gerrit-3.1.8-1 && \
+    yum -y install java-11-openjdk && \
+    yum -y install gerrit-3.2.2-1 && \
     /entrypoint.sh init && \
     rm -f /var/gerrit/etc/{ssh,secure}* && rm -Rf /var/gerrit/{static,index,logs,data,index,cache,git,db,tmp}/* && chown -R gerrit:gerrit /var/gerrit && \
     yum -y clean all
 
+# Enable LEGACY security policies by default (for TLS 1.0/1.1 compatibility)
+RUN update-crypto-policies --set LEGACY
+
 USER gerrit
 
 ENV CANONICAL_WEB_URL=
diff --git a/centos/7/Dockerfile-dev b/centos/8/Dockerfile-dev
similarity index 94%
rename from centos/7/Dockerfile-dev
rename to centos/8/Dockerfile-dev
index dfba96d..d4ec95d 100644
--- a/centos/7/Dockerfile-dev
+++ b/centos/8/Dockerfile-dev
@@ -1,4 +1,4 @@
-FROM centos:7.6.1810
+FROM centos:8.1.1911
 MAINTAINER Gerrit Code Review Community
 
 ARG GERRIT_WAR_URL="https://gerrit-ci.gerritforge.com/view/Gerrit/job/Gerrit-bazel-master/lastSuccessfulBuild/artifact/gerrit/bazel-bin/release.war"
@@ -6,10 +6,10 @@
 # Allow remote connectivity and sudo and install OpenJDK and Git
 # (pre-trans Gerrit script needs to have access to the Java command)
 RUN yum -y install \
-    openssh-client \
+    openssh-clients \
     initscripts \
     sudo \
-    java-1.8.0-openjdk \
+    java-11-openjdk \
     git && \
     yum -y clean all
 
diff --git a/centos/8/entrypoint.sh b/centos/8/entrypoint.sh
new file mode 100755
index 0000000..1fc4530
--- /dev/null
+++ b/centos/8/entrypoint.sh
@@ -0,0 +1,25 @@
+#!/bin/bash -e
+
+export JAVA_OPTS='--add-opens java.base/java.net=ALL-UNNAMED --add-opens java.base/java.lang.invoke=ALL-UNNAMED'
+
+if [ ! -d /var/gerrit/git/All-Projects.git ] || [ "$1" == "init" ]
+then
+  echo "Initializing Gerrit site ..."
+  java $JAVA_OPTS -jar /var/gerrit/bin/gerrit.war init --batch --install-all-plugins -d /var/gerrit
+  java $JAVA_OPTS -jar /var/gerrit/bin/gerrit.war reindex -d /var/gerrit
+  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "-Djava.security.egd=file:/dev/./urandom"
+  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "--add-opens java.base/java.net=ALL-UNNAMED"
+  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "--add-opens java.base/java.lang.invoke=ALL-UNNAMED"
+fi
+
+git config -f /var/gerrit/etc/gerrit.config gerrit.canonicalWebUrl "${CANONICAL_WEB_URL:-http://$HOSTNAME}"
+if [ ${HTTPD_LISTEN_URL} ];
+then
+  git config -f /var/gerrit/etc/gerrit.config httpd.listenUrl ${HTTPD_LISTEN_URL}
+fi
+
+if [ "$1" != "init" ]
+then
+  echo "Running Gerrit ..."
+  exec /var/gerrit/bin/gerrit.sh run
+fi
diff --git a/ubuntu/18/entrypoint.sh b/ubuntu/18/entrypoint.sh
deleted file mode 100755
index bf40fc8..0000000
--- a/ubuntu/18/entrypoint.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/bash -e
-
-if [ ! -d /var/gerrit/git/All-Projects.git ] || [ "$1" == "init" ]
-then
-  echo "Initializing Gerrit site ..."
-  java -jar /var/gerrit/bin/gerrit.war init --batch --install-all-plugins -d /var/gerrit
-  java -jar /var/gerrit/bin/gerrit.war reindex -d /var/gerrit
-  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "-Djava.security.egd=file:/dev/./urandom"
-fi
-
-git config -f /var/gerrit/etc/gerrit.config gerrit.canonicalWebUrl "${CANONICAL_WEB_URL:-http://$HOSTNAME}"
-if [ ${HTTPD_LISTEN_URL} ];
-then
-  git config -f /var/gerrit/etc/gerrit.config httpd.listenUrl ${HTTPD_LISTEN_URL}
-fi
-
-if [ "$1" != "init" ]
-then
-  echo "Running Gerrit ..."
-  exec /var/gerrit/bin/gerrit.sh run
-fi
diff --git a/ubuntu/18/.dockerignore b/ubuntu/20/.dockerignore
similarity index 100%
rename from ubuntu/18/.dockerignore
rename to ubuntu/20/.dockerignore
diff --git a/ubuntu/18/Dockerfile b/ubuntu/20/Dockerfile
similarity index 90%
rename from ubuntu/18/Dockerfile
rename to ubuntu/20/Dockerfile
index 484daa9..39401dc 100644
--- a/ubuntu/18/Dockerfile
+++ b/ubuntu/20/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:20.04
 MAINTAINER Gerrit Code Review Community
 
 # Add Gerrit packages repository
@@ -15,8 +15,8 @@
 
 # Install OpenJDK and Gerrit in two subsequent transactions
 # (pre-trans Gerrit script needs to have access to the Java command)
-RUN apt-get -y install openjdk-8-jdk
-RUN apt-get -y install gerrit=3.1.8-1 && \
+RUN apt-get -y install openjdk-11-jdk
+RUN apt-get -y install gerrit=3.2.2-1 && \
     apt-mark hold gerrit && \
     /entrypoint.sh init && \
     rm -f /var/gerrit/etc/{ssh,secure}* && rm -Rf /var/gerrit/{static,index,logs,data,index,cache,git,db,tmp}/* && chown -R gerrit:gerrit /var/gerrit
diff --git a/ubuntu/18/Dockerfile-dev b/ubuntu/20/Dockerfile-dev
similarity index 96%
rename from ubuntu/18/Dockerfile-dev
rename to ubuntu/20/Dockerfile-dev
index a0a35ae..5b8e50a 100644
--- a/ubuntu/18/Dockerfile-dev
+++ b/ubuntu/20/Dockerfile-dev
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:20.04
 MAINTAINER Gerrit Code Review Community
 
 ARG GERRIT_WAR_URL="https://gerrit-ci.gerritforge.com/view/Gerrit/job/Gerrit-bazel-master/lastSuccessfulBuild/artifact/gerrit/bazel-bin/release.war"
@@ -7,7 +7,7 @@
 RUN apt-get update && apt-get -y install \
     openssh-client \
     sudo \
-    openjdk-8-jdk \
+    openjdk-11-jdk \
     git && \
     rm -rf /var/lib/apt/lists/*
 
diff --git a/ubuntu/20/entrypoint.sh b/ubuntu/20/entrypoint.sh
new file mode 100755
index 0000000..1fc4530
--- /dev/null
+++ b/ubuntu/20/entrypoint.sh
@@ -0,0 +1,25 @@
+#!/bin/bash -e
+
+export JAVA_OPTS='--add-opens java.base/java.net=ALL-UNNAMED --add-opens java.base/java.lang.invoke=ALL-UNNAMED'
+
+if [ ! -d /var/gerrit/git/All-Projects.git ] || [ "$1" == "init" ]
+then
+  echo "Initializing Gerrit site ..."
+  java $JAVA_OPTS -jar /var/gerrit/bin/gerrit.war init --batch --install-all-plugins -d /var/gerrit
+  java $JAVA_OPTS -jar /var/gerrit/bin/gerrit.war reindex -d /var/gerrit
+  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "-Djava.security.egd=file:/dev/./urandom"
+  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "--add-opens java.base/java.net=ALL-UNNAMED"
+  git config -f /var/gerrit/etc/gerrit.config --add container.javaOptions "--add-opens java.base/java.lang.invoke=ALL-UNNAMED"
+fi
+
+git config -f /var/gerrit/etc/gerrit.config gerrit.canonicalWebUrl "${CANONICAL_WEB_URL:-http://$HOSTNAME}"
+if [ ${HTTPD_LISTEN_URL} ];
+then
+  git config -f /var/gerrit/etc/gerrit.config httpd.listenUrl ${HTTPD_LISTEN_URL}
+fi
+
+if [ "$1" != "init" ]
+then
+  echo "Running Gerrit ..."
+  exec /var/gerrit/bin/gerrit.sh run
+fi