Alpine Support

[bjoernwenzel-tommapps]

What about Alpine Support for official tomcat image?

[ChasonTang]

It's is neccessary for us to build a alpine image of tomcat,however,i have some trouble about that.the following is Dockerfile which is uncompleted

FROM java:openjdk-8u92-jdk-alpine
MAINTAINER ChasonTang <[email protected]>

ENV CATALINA_HOME /usr/local/tomcat
ENV PATH $CATALINA_HOME/bin:$PATH
RUN mkdir -p "$CATALINA_HOME"
WORKDIR $CATALINA_HOME

# runtime dependency for Tomcat Native Libraries
RUN apk add --update --no-cache --virtual .run-deps \
        apr \
        tar

# build dependency
RUN apk add --no-cache --virtual .build-deps \
        curl \
        gnupg \
        gcc \
        apr-dev \
        openssl-dev \
        make \
        libc-dev \
        linux-headers

# see https://www.apache.org/dist/tomcat/tomcat-8/KEYS
RUN set -ex \
    && for key in \
        05AB33110949707C93A279E3D3EFE6B686867BA6 \
        07E48665A34DCAFAE522E5E6266191C37C037D42 \
        47309207D818FFD8DCD3F83F1931D684307A10A5 \
        541FBE7D8F78B25E055DDEE13C370389288584E7 \
        61B832AC2F1C5A90F0F9B00A1C506407564C17A3 \
        79F7026C690BAA50B92CD8B66A3AD3F4F22C4FED \
        9BA44C2621385CB966EBA586F72C284D731FABEE \
        A27677289986DB50844682F8ACB77FC2E86E29AC \
        A9C5DF4D22E99998D9875A5110C01C5A2F6059E7 \
        DCFD35E0BF8CA7344752DE8B6FB21E8933C60243 \
        F3A04C595DB5B6A5F1ECA43E3B7BBB100D811BBE \
        F7DA48BB64BCB84ECBA7EE6935CD23C10D498E23 \
    ; do \
        gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
    done

ENV TOMCAT_MAJOR 8
ENV TOMCAT_VERSION 8.0.33
ENV TOMCAT_TGZ_URL https://www.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz

RUN set -x \
    \
    && curl -fSL "$TOMCAT_TGZ_URL" -o tomcat.tar.gz \
    && curl -fSL "$TOMCAT_TGZ_URL.asc" -o tomcat.tar.gz.asc \
    && gpg --batch --verify tomcat.tar.gz.asc tomcat.tar.gz \
    && tar -xvf tomcat.tar.gz --strip-components=1 \
    && rm bin/*.bat \
    && rm tomcat.tar.gz* \
    && nativeBuildDir="$(mktemp -d)" \
    && tar -xvf bin/tomcat-native.tar.gz -C "$nativeBuildDir" --strip-components=1 \
    && ( \
        export CATALINA_HOME="$PWD" \
        && cd "$nativeBuildDir/native" \
        && ./configure \
            --libdir=/usr/lib/jni \
            --prefix="$CATALINA_HOME" \
            --with-apr=/usr/bin/apr-1-config \
            --with-java-home="$(docker-java-home)" \
            --with-ssl=yes \
        && make -j$(nproc) \
        && make install \
    ) \
    && apk del .build-deps \
    && rm -rf "$nativeBuildDir" \
    && rm bin/tomcat-native.tar.gz

# verify Tomcat Native is working properly
RUN set -e \
    && nativeLines="$(catalina.sh configtest 2>&1)" \
    && nativeLines="$(echo "$nativeLines" | grep 'Apache Tomcat Native')" \
    && nativeLines="$(echo "$nativeLines" | sort -u)" \
    && if ! echo "$nativeLines" | grep 'INFO: Loaded APR based Apache Tomcat Native library' >&2; then \
        echo >&2 "$nativeLines"; \
        exit 1; \
    fi

EXPOSE 8080
CMD ["catalina.sh", "run"]

First, the image is FROM java:openjdk-8u92-jdk-alpine, JAVA_HOME environtment is error in java:openjdk-8u92-jre-alpine when apk add --no-cache openjdk8.Second,catalina.sh configtest is error below

INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/lib/jvm/java-1.8-openjdk/jre/lib/amd64/server:/usr/lib/jvm/java-1.8-openjdk/jre/lib/amd64:/usr/lib/jvm/java-1.8-openjdk/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib

[tianon]

This was fixed in #36. 👍