JDK/JRE 18 support

[qeepcologne]

java18 released 4 weeks ago

[sujiansoft]

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[alfonx]

Please update to Java 18

[cybercooll]

Please !

[bfySebman]

Please!

[qeepcologne]

i justed forked it into my multi-layer-dockerfile and changed the from section without difficulties:

FROM eclipse-temurin:18-jre-jammy as tomcat_10.0.22-jre18-temurin
ENV CATALINA_HOME /usr/local/tomcat
ENV PATH $CATALINA_HOME/bin:$PATH
RUN mkdir -p "$CATALINA_HOME"
WORKDIR $CATALINA_HOME
# let "Tomcat Native" live somewhere isolated
ENV TOMCAT_NATIVE_LIBDIR $CATALINA_HOME/native-jni-lib
ENV LD_LIBRARY_PATH ${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$TOMCAT_NATIVE_LIBDIR
# see https://www.apache.org/dist/tomcat/tomcat-10/KEYS
# see also "versions.sh" (https://github.com/docker-library/tomcat/blob/master/versions.sh)
ENV GPG_KEYS A9C5DF4D22E99998D9875A5110C01C5A2F6059E7
ENV TOMCAT_MAJOR 10
ENV TOMCAT_VERSION 10.0.22
ENV TOMCAT_SHA512 fe46db8794f066882b30e7a94bd8d3dbcf29e8e8ffaf67c1355846755745a7c9eafd124819283f218bcf410921a485b44b57b56fd6251fb99d67d95f3dd36826
COPY --from=tomcat:10.0.22-jdk17-temurin-jammy $CATALINA_HOME $CATALINA_HOME
RUN set -eux; \
	apt-get update; \
	xargs -rt apt-get install -y --no-install-recommends < "$TOMCAT_NATIVE_LIBDIR/.dependencies.txt"; \
	rm -rf /var/lib/apt/lists/*
# verify Tomcat Native is working properly
RUN set -eux; \
	nativeLines="$(catalina.sh configtest 2>&1)"; \
	nativeLines="$(echo "$nativeLines" | grep 'Apache Tomcat Native')"; \
	nativeLines="$(echo "$nativeLines" | sort -u)"; \
	if ! echo "$nativeLines" | grep -E 'INFO: Loaded( APR based)? Apache Tomcat Native library' >&2; then \
		echo >&2 "$nativeLines"; \
		exit 1; \
	fi
EXPOSE 8080
CMD ["catalina.sh", "run"]

[tianon]

Linking to the very relevant https://github.com/docker-library/tomcat/pull/248#issuecomment-1329908153 (sorry for not typing this up sooner :bow:).

See also https://github.com/docker-library/tomcat/pull/275#issuecomment-1235938409

[tianon]

Thanks for the push (and for the implementation suggestions!! :bow: :heart:); I'm going to close this now in order to consolidate into https://github.com/docker-library/tomcat/pull/299 :sweat_smile: