2.2.构建tomcat镜像
创建tomcat目录
[root@docker43 ~]# cd /opt/
[root@docker43 opt]# mkdir -p jre_tomcat && cd jre_tomcat && touch Dockerfile
[root@docker43 jre_tomcat]# ll
总用量 0
-rw-r--r-- 1 root root 0 10月 6 17:46 Dockerfile 编写dockerfile(基于上面的alpine_jre镜像)
#基础镜像
FROM alpine_jre# 作者信息
MAINTAINER tomcat Docker Maintainers "1024331014@qq.com"
# 定义tomcat变量(如果有其他的可以在这里加)
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:}$TOMCAT_NATIVE_LIBDIR
RUN apk add --no-cache gnupg
# see http://archive.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/KEYS
# see also "update.sh" (https://github.com/docker-library/tomcat/blob/master/update.sh)
ENV GPG_KEYS 05AB33110949707C93A279E3D3EFE6B686867BA6 07E48665A34DCAFAE522E5E6266191C37C037D42 47309207D818FFD8DCD3F83F1931D684307A10A5 541FBE7D8F78B25E055DDEE13C370389288584E7 61B832AC2F1C5A90F0F9B00A1C506407564C17A3 713DA88BE50911535FE716F5208B0AB1D63011C7 79F7026C690BAA50B92CD8B66A3AD3F4F22C4FED 9BA44C2621385CB966EBA586F72C284D731FABEE A27677289986DB50844682F8ACB77FC2E86E29AC A9C5DF4D22E99998D9875A5110C01C5A2F6059E7 DCFD35E0BF8CA7344752DE8B6FB21E8933C60243 F3A04C595DB5B6A5F1ECA43E3B7BBB100D811BBE F7DA48BB64BCB84ECBA7EE6935CD23C10D498E23
RUN set -ex;
for key in $GPG_KEYS; do
gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key";
done
# 定义tomcat版本
ENV TOMCAT_MAJOR 8
ENV TOMCAT_VERSION 8.0.53
# 下载
# https://issues.apache.org/jira/browse/INFRA-8753?focusedCommentId=14735394#comment-14735394
ENV TOMCAT_TGZ_URL https://www.apache.org/dyn/closer.cgi?action=download&filename=tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz
# not all the mirrors actually carry the .asc files :'(
ENV TOMCAT_ASC_URL http://archive.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz.asc
# 安装
RUN set -x
&& apk add --no-cache --virtual .fetch-deps
ca-certificates
tar
openssl
&& wget -O tomcat.tar.gz "$TOMCAT_TGZ_URL"
&& wget -O tomcat.tar.gz.asc "$TOMCAT_ASC_URL"
&& 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)"
