Use Testcontainers for CI builds.

See #1503

ci/openjdk17-cassandra-5/Dockerfile

@@ -1,26 +0,0 @@
-ARG BASE
-FROM ${BASE}
-# Any ARG statements before FROM are cleared.
-ARG CASSANDRA
-
-RUN set -eux; \
-	CASSANDRA_URL="https://archive.apache.org/dist/cassandra/${CASSANDRA}/apache-cassandra-${CASSANDRA}-bin.tar.gz"; \
-	sed -i -e 's/http/https/g' /etc/apt/sources.list ; \
-	curl -LfsSo /tmp/cassandra.tar.gz ${CASSANDRA_URL}; \
-		mkdir -p /opt/cassandra /opt/cassandra/data /opt/cassandra/logs; \
-		cd /opt/cassandra; \
-		tar -xf /tmp/cassandra.tar.gz --strip-components=1; \
-		rm -rf /tmp/cassandra.tar.gz; \
-		chmod -R a+rwx /opt/cassandra; \
-		useradd -d /home/jenkins-docker -m -u 1001 -U jenkins-docker;
-
-RUN set -eux; \
-	BINARY_URL='https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.14%2B7/OpenJDK17U-jdk_x64_linux_hotspot_17.0.14_7.tar.gz'; \
-	curl -LfsSo /tmp/openjdk.tar.gz ${BINARY_URL}; \
-		mkdir -p /opt/java/openjdk17; \
-		cd /opt/java/openjdk17; \
-		tar -xf /tmp/openjdk.tar.gz --strip-components=1; \
-		rm -rf /tmp/openjdk.tar.gz;
-
-ENV MAX_HEAP_SIZE=1500M
-ENV HEAP_NEWSIZE=300M

ci/pipeline.properties

@@ -17,9 +17,6 @@ docker.mongodb.8.0.version=8.0.0
 docker.redis.6.version=6.2.13
 docker.redis.7.version=7.2.4
 
-# Supported versions of Cassandra
-docker.cassandra.5.version=5.0.3
-
 # Docker environment settings
 docker.java.inside.basic=-v $HOME:/tmp/jenkins-home
 docker.java.inside.docker=-u root -v /var/run/docker.sock:/var/run/docker.sock -v /usr/bin/docker:/usr/bin/docker -v $HOME:/tmp/jenkins-home