1、下载alpine镜像
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[root@docker43 ~]# docker pull alpineUsing default tag: latestTrying to pull repository docker.io/library/alpine ...latest: Pulling from docker.io/library/alpine4fe2ade4980c: Pull completeDigest: sha256:621c2f39f8133acb8e64023a94dbdf0d5ca81896102b9e57c0dc184cadaf5528Status: Downloaded newer image for docker.io/alpine:latest[root@docker43 ~]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEdocker.io/alpine latest 196d12cf6ab1 3 weeks ago 4.41 MB |
2、通过dockerfile构建镜像
在其他的资料中很多都是下载包然后在dockerfile 使用COPY进行拷贝，这里我就不这样做了，我们分开写(都是通过dockerfile进行构建镜像)
2.1.构建jdk镜像
创建jdk目录
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[root@docker43 ~]# cd /opt/[root@docker43 opt]# mkdir -p alpine_jre && cd alpine_jre && touch Dockerfile[root@docker43 alpine_jre]# ll总用量 0-rw-r--r-- 1 root root 0 10月 6 17:39 Dockerfile |
编写dockerfile文件
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# 基础镜像FROM alpine # 作者信息MAINTAINER JRE Docker Maintainers "1024331014@qq.com" # 修改源RUN echo "http://mirrors.aliyun.com/alpine/latest-stable/main/" > /etc/apk/repositories && \ echo "http://mirrors.aliyun.com/alpine/latest-stable/community/" >> /etc/apk/repositories # 安装需要的软件RUN apk update && \ apk add --no-cache ca-certificates && \ apk add --no-cache curl bash tree tzdata && \ cp -rf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime # 定义环境变量ENV PATH /usr/local/bin:${PATH} # 安装JRERUN apk add --nocache openjdk8-jre-base && \ rm -rf /var/cache/apk/* RUN { \ echo '#!/bin/sh'; \ echo 'set -e'; \ echo; \ echo 'dirname "$(dirname "$(readlink -f "$(which javac || which java)")")"'; \ } > /usr/local/bin/docker-java-home \ && chmod +x /usr/local/bin/docker-java-home ENV JAVA_HOME /usr/lib/jvm/default-jvmENV PATH ${PATH}:${JAVA_HOME}/bin:${JAVA_HOME}/jre/binENV JAVA_VERSION 8u71ENV JAVA_ALPINE_VERSION 8.171.11-r0RUN set -x \ \ && apk add --no-cache \ \ openjdk8-jre="$JAVA_ALPINE_VERSION" |
创建镜像
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[root@docker43 alpine_jre]# docker build -t alpine_jre . |
查看镜像
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[root@docker43 alpine_jre]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEalpine_jre latest 614bc57ab66e 33 seconds ago 91.1 MBdocker.io/alpine latest 196d12cf6ab1 3 weeks ago 4.41 MB |
2.2.构建tomcat镜像
创建tomcat目录
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[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)
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#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/tomcatENV PATH $CATALINA_HOME/bin:$PATHRUN mkdir -p "$CATALINA_HOME"WORKDIR $CATALINA_HOME # let "Tomcat Native" live somewhere isolatedENV TOMCAT_NATIVE_LIBDIR $CATALINA_HOME/native-jni-libENV 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 F7DA48BB64BCB84ECBA7EE6935CD23C10D498E23RUN 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 8ENV TOMCAT_VERSION 8.0.53 # 下载# https://issues.apache.org/jira/browse/INFRA-8753?focusedCommentId=14735394#comment-14735394ENV 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="$(mktemp -d)" \ && tar -xvf bin/tomcat-native.tar.gz -C "$nativeBuildDir" --strip-components=1 \ && apk add --no-cache --virtual .native-build-deps \ apr-dev \ dpkg-dev dpkg \ gcc \ libc-dev \ make \ "openjdk${JAVA_VERSION%%[-~bu]*}"="$JAVA_ALPINE_VERSION" \ openssl-dev \ && ( \ export CATALINA_HOME="$PWD" \ && cd "$nativeBuildDir/native" \ && gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \ && ./configure \ --build="$gnuArch" \ --libdir="$TOMCAT_NATIVE_LIBDIR" \ --prefix="$CATALINA_HOME" \ --with-apr="$(which apr-1-config)" \ --with-java-home="$(docker-java-home)" \ --with-ssl=yes \ && make -j$(getconf _NPROCESSORS_ONLN) \ && make install \ ) \ && runDeps="$( \ scanelf --needed --nobanner --recursive "$TOMCAT_NATIVE_LIBDIR" \ | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \ | sort -u \ | xargs -r apk info --installed \ | sort -u \ )" \ && apk add --virtual .tomcat-native-rundeps $runDeps \ && apk del .fetch-deps .native-build-deps \ && rm -rf "$nativeBuildDir" \ && rm bin/tomcat-native.tar.gz # verify Tomcat Native is working properlyRUN 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 # 开发8080端口EXPOSE 8080# 执行命令CMD ["catalina.sh", "run"] |
创建镜像
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[root@docker43 jre_tomcat]# docker build -t tomcat:1.0 . |
查看镜像
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[root@docker43 jre_tomcat]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEtomcat 1.0 64c9cec4375d 7 seconds ago 124 MBalpine_jre latest 614bc57ab66e 8 minutes ago 91.1 MBdocker.io/alpine latest 196d12cf6ab1 3 weeks ago 4.41 MB |
2.3.构建tomcat_web镜像
创建tomcat_web目录(包含Dockerfile和启动文件)
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[root@docker43 ~]# cd /opt/[root@docker43 opt]# mkdir tomcat_web && cd tomcat_web && touch Dockerfile && touch start.sh[root@docker43 tomcat_web]# ll总用量 0-rw-r--r-- 1 root root 0 10月 6 17:53 Dockerfile-rw-r--r-- 1 root root 0 10月 6 17:53 start.sh |
编写start.sh启动脚本
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#!/bin/sh# Licensed to the Apache Software Foundation (ASF) under one or more# contributor license agreements. See the NOTICE file distributed with# this work for additional information regarding copyright ownership.# The ASF licenses this file to You under the Apache License, Version 2.0# (the "License"); you may not use this file except in compliance with# the License. You may obtain a copy of the License at## http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License. # -----------------------------------------------------------------------------# Control Script for the CATALINA Server## Environment Variable Prerequisites## Do not set the variables in this script. Instead put them into a script# setenv.sh in CATALINA_BASE/bin to keep your customizations separate.## CATALINA_HOME May point at your Catalina "build" directory.## CATALINA_BASE (Optional) Base directory for resolving dynamic portions# of a Catalina installation. If not present, resolves to# the same directory that CATALINA_HOME points to.## CATALINA_OUT (Optional) Full path to a file where stdout and stderr# will be redirected.# Default is $CATALINA_BASE/logs/catalina.out## CATALINA_OPTS (Optional) Java runtime options used when the "start",# "run" or "debug" command is executed.# Include here and not in JAVA_OPTS all options, that should# only be used by Tomcat itself, not by the stop process,# the version command etc.# Examples are heap size, GC logging, JMX ports etc.## CATALINA_TMPDIR (Optional) Directory path location of temporary directory# the JVM should use (java.io.tmpdir). Defaults to# $CATALINA_BASE/temp.## JAVA_HOME Must point at your Java Development Kit installation.# Required to run the with the "debug" argument.## JRE_HOME Must point at your Java Runtime installation.# Defaults to JAVA_HOME if empty. If JRE_HOME and JAVA_HOME# are both set, JRE_HOME is used.## JAVA_OPTS (Optional) Java runtime options used when any command# is executed.# Include here and not in CATALINA_OPTS all options, that# should be used by Tomcat and also by the stop process,# the version command etc.# Most options should go into CATALINA_OPTS.## JAVA_ENDORSED_DIRS (Optional) Lists of of colon separated directories# containing some jars in order to allow replacement of APIs# created outside of the JCP (i.e. DOM and SAX from W3C).# It can also be used to update the XML parser implementation.# Defaults to $CATALINA_HOME/endorsed.## JPDA_TRANSPORT (Optional) JPDA transport used when the "jpda start"# command is executed. The default is "dt_socket".## JPDA_ADDRESS (Optional) Java runtime options used when the "jpda start"# command is executed. The default is localhost:8000.## JPDA_SUSPEND (Optional) Java runtime options used when the "jpda start"# command is executed. Specifies whether JVM should suspend# execution immediately after startup. Default is "n".## JPDA_OPTS (Optional) Java runtime options used when the "jpda start"# command is executed. If used, JPDA_TRANSPORT, JPDA_ADDRESS,# and JPDA_SUSPEND are ignored. Thus, all required jpda# options MUST be specified. The default is:## -agentlib:jdwp=transport=$JPDA_TRANSPORT,# address=$JPDA_ADDRESS,server=y,suspend=$JPDA_SUSPEND## JSSE_OPTS (Optional) Java runtime options used to control the TLS# implementation when JSSE is used. Default is:# "-Djdk.tls.ephemeralDHKeySize=2048"## CATALINA_PID (Optional) Path of the file which should contains the pid# of the catalina startup java process, when start (fork) is# used## LOGGING_CONFIG (Optional) Override Tomcat's logging config file# Example (all one line)# LOGGING_CONFIG="-Djava.util.logging.config.file=$CATALINA_BASE/conf/logging.properties"## LOGGING_MANAGER (Optional) Override Tomcat's logging manager# Example (all one line)# LOGGING_MANAGER="-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager"## USE_NOHUP (Optional) If set to the string true the start command will# use nohup so that the Tomcat process will ignore any hangup# signals. Default is "false" unless running on HP-UX in which# case the default is "true"# ----------------------------------------------------------------------------- # OS specific support. $var _must_ be set to either true or false.cygwin=falsedarwin=falseos400=falsehpux=falsecase "`uname`" inCYGWIN*) cygwin=true;;Darwin*) darwin=true;;OS400*) os400=true;;HP-UX*) hpux=true;;esac # resolve links - $0 may be a softlinkPRG="$0" while [ -h "$PRG" ]; do ls=`ls -ld "$PRG"` link=`expr "$ls" : '.*-> \(.*\)$'` if expr "$link" : '/.*' > /dev/null; then PRG="$link" else PRG=`dirname "$PRG"`/"$link" fidone # Get standard environment variablesPRGDIR=`dirname "$PRG"` # Only set CATALINA_HOME if not already set[ -z "$CATALINA_HOME" ] && CATALINA_HOME=`cd "$PRGDIR/.." >/dev/null; pwd` # Copy CATALINA_BASE from CATALINA_HOME if not already set[ -z "$CATALINA_BASE" ] && CATALINA_BASE="$CATALINA_HOME" # Ensure that any user defined CLASSPATH variables are not used on startup,# but allow them to be specified in setenv.sh, in rare case when it is needed.CLASSPATH= if [ -r "$CATALINA_BASE/bin/setenv.sh" ]; then . "$CATALINA_BASE/bin/setenv.sh"elif [ -r "$CATALINA_HOME/bin/setenv.sh" ]; then . "$CATALINA_HOME/bin/setenv.sh"fi # For Cygwin, ensure paths are in UNIX format before anything is touchedif $cygwin; then [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` [ -n "$JRE_HOME" ] && JRE_HOME=`cygpath --unix "$JRE_HOME"` [ -n "$CATALINA_HOME" ] && CATALINA_HOME=`cygpath --unix "$CATALINA_HOME"` [ -n "$CATALINA_BASE" ] && CATALINA_BASE=`cygpath --unix "$CATALINA_BASE"` [ -n "$CLASSPATH" ] && CLASSPATH=`cygpath --path --unix "$CLASSPATH"`fi # Ensure that neither CATALINA_HOME nor CATALINA_BASE contains a colon# as this is used as the separator in the classpath and Java provides no# mechanism for escaping if the same character appears in the path.case $CATALINA_HOME in *:*) echo "Using CATALINA_HOME: $CATALINA_HOME"; echo "Unable to start as CATALINA_HOME contains a colon (:) character"; exit 1;esaccase $CATALINA_BASE in *:*) echo "Using CATALINA_BASE: $CATALINA_BASE"; echo "Unable to start as CATALINA_BASE contains a colon (:) character"; exit 1;esac # For OS400if $os400; then # Set job priority to standard for interactive (interactive - 6) by using # the interactive priority - 6, the helper threads that respond to requests # will be running at the same priority as interactive jobs. COMMAND='chgjob job('$JOBNAME') runpty(6)' system $COMMAND # Enable multi threading export QIBM_MULTI_THREADED=Yfi # Get standard Java environment variablesif $os400; then # -r will Only work on the os400 if the files are: # 1. owned by the user # 2. owned by the PRIMARY group of the user # this will not work if the user belongs in secondary groups . "$CATALINA_HOME"/bin/setclasspath.shelse if [ -r "$CATALINA_HOME"/bin/setclasspath.sh ]; then . "$CATALINA_HOME"/bin/setclasspath.sh else echo "Cannot find $CATALINA_HOME/bin/setclasspath.sh" echo "This file is needed to run this program" exit 1 fifi # Add on extra jar files to CLASSPATHif [ ! -z "$CLASSPATH" ] ; then CLASSPATH="$CLASSPATH":fiCLASSPATH="$CLASSPATH""$CATALINA_HOME"/bin/bootstrap.jar if [ -z "$CATALINA_OUT" ] ; then CATALINA_OUT="$CATALINA_BASE"/logs/catalina.outfi if [ -z "$CATALINA_TMPDIR" ] ; then # Define the java.io.tmpdir to use for Catalina CATALINA_TMPDIR="$CATALINA_BASE"/tempfi # Add tomcat-juli.jar to classpath# tomcat-juli.jar can be over-ridden per instanceif [ -r "$CATALINA_BASE/bin/tomcat-juli.jar" ] ; then CLASSPATH=$CLASSPATH:$CATALINA_BASE/bin/tomcat-juli.jarelse CLASSPATH=$CLASSPATH:$CATALINA_HOME/bin/tomcat-juli.jarfi # Bugzilla 37848: When no TTY is available, don't output to consolehave_tty=0if [ "`tty`" != "not a tty" ]; then have_tty=1fi # For Cygwin, switch paths to Windows format before running javaif $cygwin; then JAVA_HOME=`cygpath --absolute --windows "$JAVA_HOME"` JRE_HOME=`cygpath --absolute --windows "$JRE_HOME"` CATALINA_HOME=`cygpath --absolute --windows "$CATALINA_HOME"` CATALINA_BASE=`cygpath --absolute --windows "$CATALINA_BASE"` CATALINA_TMPDIR=`cygpath --absolute --windows "$CATALINA_TMPDIR"` CLASSPATH=`cygpath --path --windows "$CLASSPATH"` JAVA_ENDORSED_DIRS=`cygpath --path --windows "$JAVA_ENDORSED_DIRS"`fi if [ -z "$JSSE_OPTS" ] ; then JSSE_OPTS="-Djdk.tls.ephemeralDHKeySize=2048"fiJAVA_OPTS="$JAVA_OPTS $JSSE_OPTS" # Register custom URL handlers# Do this here so custom URL handles (specifically 'war:...') can be used in the security policyJAVA_OPTS="$JAVA_OPTS -Djava.protocol.handler.pkgs=org.apache.catalina.webresources" # Set juli LogManager config file if it is present and an override has not been issuedif [ -z "$LOGGING_CONFIG" ]; then if [ -r "$CATALINA_BASE"/conf/logging.properties ]; then LOGGING_CONFIG="-Djava.util.logging.config.file=$CATALINA_BASE/conf/logging.properties" else # Bugzilla 45585 LOGGING_CONFIG="-Dnop" fifi if [ -z "$LOGGING_MANAGER" ]; then LOGGING_MANAGER="-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager"fi # Uncomment the following line to make the umask available when using the# org.apache.catalina.security.SecurityListener#JAVA_OPTS="$JAVA_OPTS -Dorg.apache.catalina.security.SecurityListener.UMASK=`umask`" if [ -z "$USE_NOHUP" ]; then if $hpux; then USE_NOHUP="true" else USE_NOHUP="false" fifiunset _NOHUPif [ "$USE_NOHUP" = "true" ]; then _NOHUP=nohupfi # ----- Execute The Requested Command ----------------------------------------- # Bugzilla 37848: only output this if we have a TTYif [ $have_tty -eq 1 ]; then echo "Using CATALINA_BASE: $CATALINA_BASE" echo "Using CATALINA_HOME: $CATALINA_HOME" echo "Using CATALINA_TMPDIR: $CATALINA_TMPDIR" if [ "$1" = "debug" ] ; then echo "Using JAVA_HOME: $JAVA_HOME" else echo "Using JRE_HOME: $JRE_HOME" fi echo "Using CLASSPATH: $CLASSPATH" if [ ! -z "$CATALINA_PID" ]; then echo "Using CATALINA_PID: $CATALINA_PID" fifi if [ "$1" = "jpda" ] ; then if [ -z "$JPDA_TRANSPORT" ]; then JPDA_TRANSPORT="dt_socket" fi if [ -z "$JPDA_ADDRESS" ]; then JPDA_ADDRESS="localhost:8000" fi if [ -z "$JPDA_SUSPEND" ]; then JPDA_SUSPEND="n" fi if [ -z "$JPDA_OPTS" ]; then JPDA_OPTS="-agentlib:jdwp=transport=$JPDA_TRANSPORT,address=$JPDA_ADDRESS,server=y,suspend=$JPDA_SUSPEND" fi CATALINA_OPTS="$JPDA_OPTS $CATALINA_OPTS" shiftfi if [ "$1" = "debug" ] ; then if $os400; then echo "Debug command not available on OS400" exit 1 else shift if [ "$1" = "-security" ] ; then if [ $have_tty -eq 1 ]; then echo "Using Security Manager" fi shift exec "$_RUNJDB" "$LOGGING_CONFIG" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \ -sourcepath "$CATALINA_HOME"/../../java \ -Djava.security.manager \ -Djava.security.policy=="$CATALINA_BASE"/conf/catalina.policy \ -Dcatalina.base="$CATALINA_BASE" \ -Dcatalina.home="$CATALINA_HOME" \ -Djava.io.tmpdir="$CATALINA_TMPDIR" \ org.apache.catalina.startup.Bootstrap "$@" start else exec "$_RUNJDB" "$LOGGING_CONFIG" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \ -sourcepath "$CATALINA_HOME"/../../java \ -Dcatalina.base="$CATALINA_BASE" \ -Dcatalina.home="$CATALINA_HOME" \ -Djava.io.tmpdir="$CATALINA_TMPDIR" \ org.apache.catalina.startup.Bootstrap "$@" start fi fi elif [ "$1" = "run" ]; then shift if [ "$1" = "-security" ] ; then if [ $have_tty -eq 1 ]; then echo "Using Security Manager" fi shift eval exec "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \ -Djava.security.manager \ -Djava.security.policy=="\"$CATALINA_BASE/conf/catalina.policy\"" \ -Dcatalina.base="\"$CATALINA_BASE\"" \ -Dcatalina.home="\"$CATALINA_HOME\"" \ -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \ org.apache.catalina.startup.Bootstrap "$@" start else eval exec "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \ -Dcatalina.base="\"$CATALINA_BASE\"" \ -Dcatalina.home="\"$CATALINA_HOME\"" \ -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \ org.apache.catalina.startup.Bootstrap "$@" start \ >> "$CATALINA_OUT" 2>&1 fifi |
编写dockerfile(基于上面的tomcat镜像)
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# 基础镜像FROM tomcat:1.0 # 创建项目目录和日志目录，这个是要在宿主机-v挂载的RUN set -x \ &&mkdir -p /Webs/logs \ \ &&rm -rf /usr/local/tomcat/logs \ \ &&ln -sf /Webs/logs /usr/local/tomcat/logs # 将启动文件copy到容器COPY start.sh /usr/local/tomcat/bin/ # 给容器的启动脚本权限RUN chmod +x /usr/local/tomcat/bin/start.sh # 开放8080端口EXPOSE 8080 # 运行tomcatCMD ["start.sh","run"] |
创建镜像
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[root@docker43 tomcat_web]# docker build -t tomcat_web:v1 . |
查看镜像
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[root@docker43 tomcat_web]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEtomcat_web v1 b3651c50a7b5 26 seconds ago 124 MBtomcat 1.0 64c9cec4375d 6 minutes ago 124 MBalpine_jre latest 614bc57ab66e 14 minutes ago 91.1 MBdocker.io/alpine latest 196d12cf6ab1 3 weeks ago 4.41 MB |
3、创建容器
创建项目目录
我们是基于tomcat_web镜像进行创建容器的
首先我先在宿主机上创建个项目的目录(server.xml的配置文件拷贝改路径就能用)
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[root@docker43 ~]# cd /home/[root@docker43 home]# mkdir test.tomcat.com && cd test.tomcat.com[root@docker43 test.tomcat.com]# touch server.xml # 配置文件[root@docker43 test.tomcat.com]# mkdir logs # 日志目录[root@docker43 test.tomcat.com]# mkdir wwwroot # 项目主目录(要是修改了记得也在server.xml进行修改)[root@docker43 test.tomcat.com]# ll总用量 0drwxr-xr-x 2 root root 6 10月 6 18:03 logs-rw-r--r-- 1 root root 0 10月 6 18:02 server.xmldrwxr-xr-x 2 root root 6 10月 6 18:03 wwwroot |
server.xml配置文件
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<?xml version='1.0' encoding='utf-8'?> <Server port="8005" shutdown="SHUTDOWN"> <Listener className="org.apache.catalina.startup.VersionLoggerListener" /> <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /> <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" /> <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" /> <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" /> <GlobalNamingResources> <Resource name="UserDatabase" auth="Container" type="org.apache.catalina.UserDatabase" description="User database that can be updated and saved" factory="org.apache.catalina.users.MemoryUserDatabaseFactory" pathname="conf/tomcat-users.xml" /> </GlobalNamingResources> <Service name="Catalina"> <Connector port="8080" protocol="org.apache.coyote.http11.Http11AprProtocol" connectionTimeout="20000" maxThreads="1000" minSpareThreads="100" redirectPort="8443" URIEncoding="UTF-8"/> <Connector port="8009" maxThreads="1000" minSpareThreads="100" protocol="AJP/1.3" redirectPort="8443" /> <Engine name="Catalina" defaultHost="localhost"> <Realm className="org.apache.catalina.realm.LockOutRealm"> <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase"/> </Realm> <Host name="localhost" appBase="/Webs/wwwroot" unpackWARs="true" autoDeploy="true"> <Context path="" docBase="/Webs/wwwroot" reloadable="true" /> <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" prefix="localhost__access_log" suffix=".txt" pattern="%{X-Real-IP}i %l %u %t "%r" %s %b" /> </Host> </Engine> </Service></Server> |
编写测试页面
在wwwroot中编写个测试页面
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[root@docker43 test.tomcat.com]# cd wwwroot/[root@docker43 wwwroot]# cat index.html |
成功了
创建并启动容器
复制代码 代码如下:
docker run -tid --restart=always --name test.tomcat.com -p 5081:8080 -v /home/test.tomcat.com/:/Webs -m 2048m --memory-swap=2048m --cpu-shares=256 tomcat_web:v1 start.sh run -config /Webs/server.xml
查看容器
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[root@docker43 test.tomcat.com]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESab62045e0688 tomcat_web:v1 "start.sh run -con..." 2 seconds ago Up 1 second 0.0.0.0:5081->8080/tcp test.tomcat.com |
测试
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[root@docker43 test.tomcat.com]# curl 127.0.0.1:5081成功了[root@docker43 test.tomcat.com]# |
4、温馨提示
1、各位肯定会问我问什么要做这么多的镜像，我的回答是每个都独立出来 放在之后的私有仓库中，以后可以单独的使用
2、这篇文章的代码都完全的可以直接的复制粘贴使用，要注意的是根据自己的情况来修改Dockerfile的变量版本，还有就是项目的路径和创建容器的参数
3、我们在创建第二个项目的使用，完全可以重复的执行创建容器的步骤只是修改下项目目录的名字和容器的名字而已
4、也可以把上面的三个dockerfile文件合并创建镜像，但是不建议这样做
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.cnblogs.com/zhujingzhi/p/9746760.html
