Dockerfile

#
# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
#
# PLEASE DO NOT EDIT IT DIRECTLY.
#

FROM eclipse-temurin:17-jdk-jammy

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

ENV TOMCAT_MAJOR 11
ENV TOMCAT_VERSION 11.0.2
ENV TOMCAT_SHA512 635d0b704d47a97050e3de995d372ef361ddb7589efbc53003afd6ac692d8db4a4125ae5dcc01af9e7371e8e598c98982e2a25617179b6ba0a04406299cca544

RUN set -eux; \
	\
	savedAptMark="$(apt-mark showmanual)"; \
	apt-get update; \
	apt-get install -y --no-install-recommends \
		ca-certificates \
		curl \
		gnupg \
	; \
	\
	ddist() { \
		local f="$1"; shift; \
		local distFile="$1"; shift; \
		local mvnFile="${1:-}"; \
		local success=; \
		local distUrl=; \
		for distUrl in \
# https://apache.org/history/mirror-history.html
			"https://dlcdn.apache.org/$distFile" \
# if the version is outdated, we have to pull from the archive
			"https://archive.apache.org/dist/$distFile" \
# if all else fails, let's try Maven (https://www.mail-archive.com/users@tomcat.apache.org/msg134940.html; https://mvnrepository.com/artifact/org.apache.tomcat/tomcat; https://repo1.maven.org/maven2/org/apache/tomcat/tomcat/)
			${mvnFile:+"https://repo1.maven.org/maven2/org/apache/tomcat/tomcat/$mvnFile"} \
		; do \
			if curl -fL -o "$f" "$distUrl" && [ -s "$f" ]; then \
				success=1; \
				break; \
			fi; \
		done; \
		[ -n "$success" ]; \
	}; \
	\
	ddist 'tomcat.tar.gz' "tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz" "$TOMCAT_VERSION/tomcat-$TOMCAT_VERSION.tar.gz"; \
	echo "$TOMCAT_SHA512 *tomcat.tar.gz" | sha512sum --strict --check -; \
	ddist 'tomcat.tar.gz.asc' "tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz.asc" "$TOMCAT_VERSION/tomcat-$TOMCAT_VERSION.tar.gz.asc"; \
	GNUPGHOME="$(mktemp -d)"; export GNUPGHOME; \
	curl -fL -o upstream-KEYS 'https://www.apache.org/dist/tomcat/tomcat-11/KEYS'; \
	gpg --batch --import upstream-KEYS; \
# filter upstream KEYS file to *just* known/precomputed fingerprints
	printf '' > filtered-KEYS; \
# see https://www.apache.org/dist/tomcat/tomcat-11/KEYS
	for key in \
		'A9C5DF4D22E99998D9875A5110C01C5A2F6059E7' \
		'48F8E69F6390C9F25CFEDCD268248959359E722B' \
	; do \
		gpg --batch --fingerprint "$key"; \
		gpg --batch --export --armor "$key" >> filtered-KEYS; \
	done; \
	gpgconf --kill all; \
	rm -rf "$GNUPGHOME"; \
	GNUPGHOME="$(mktemp -d)"; export GNUPGHOME; \
	gpg --batch --import filtered-KEYS; \
	gpg --batch --verify tomcat.tar.gz.asc tomcat.tar.gz; \
	tar -xf tomcat.tar.gz --strip-components=1; \
	rm bin/*.bat; \
	rm tomcat.tar.gz*; \
	gpgconf --kill all; \
	rm -rf "$GNUPGHOME"; \
	\
# https://tomcat.apache.org/tomcat-9.0-doc/security-howto.html#Default_web_applications
	mv webapps webapps.dist; \
	mkdir webapps; \
# we don't delete them completely because they're frankly a pain to get back for users who do want them, and they're generally tiny (~7MB)
	\
	nativeBuildDir="$(mktemp -d)"; \
	tar -xf bin/tomcat-native.tar.gz -C "$nativeBuildDir" --strip-components=1; \
	apt-get install -y --no-install-recommends \
		dpkg-dev \
		gcc \
		libapr1-dev \
		libssl-dev \
		make \
	; \
	( \
		export CATALINA_HOME="$PWD"; \
		cd "$nativeBuildDir/native"; \
		gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
		aprConfig="$(command -v apr-1-config)"; \
		./configure \
			--build="$gnuArch" \
			--libdir="$TOMCAT_NATIVE_LIBDIR" \
			--prefix="$CATALINA_HOME" \
			--with-apr="$aprConfig" \
			--with-java-home="$JAVA_HOME" \
		; \
		nproc="$(nproc)"; \
		make -j "$nproc"; \
		make install; \
	); \
	rm -rf "$nativeBuildDir"; \
	rm bin/tomcat-native.tar.gz; \
	\
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
	apt-mark auto '.*' > /dev/null; \
	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \
	find "$TOMCAT_NATIVE_LIBDIR" -type f -executable -exec ldd '{}' ';' \
		| awk '/=>/ { print $(NF-1) }' \
		| xargs -rt readlink -e \
		| sort -u \
		| xargs -rt dpkg-query --search \
		| cut -d: -f1 \
		| sort -u \
		| tee "$TOMCAT_NATIVE_LIBDIR/.dependencies.txt" \
		| xargs -r apt-mark manual \
	; \
	\
	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
	rm -rf /var/lib/apt/lists/*; \
	\
# sh removes env vars it doesn't support (ones with periods)
# https://github.com/docker-library/tomcat/issues/77
	find ./bin/ -name '*.sh' -exec sed -ri 's|^#!/bin/sh$|#!/usr/bin/env bash|' '{}' +; \
	\
# fix permissions (especially for running as non-root)
# https://github.com/docker-library/tomcat/issues/35
	chmod -R +rX .; \
	chmod 1777 logs temp work; \
	\
# smoke test
	catalina.sh version

# 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

# upstream eclipse-temurin-provided entrypoint script caused https://github.com/docker-library/tomcat/issues/77 to come back as https://github.com/docker-library/tomcat/issues/302; use "/entrypoint.sh" at your own risk
ENTRYPOINT []

CMD ["catalina.sh", "run"]