方法一、docker pull tomcat

查找 Docker Hub 上的 Tomcat 镜像:
Docker 安装 Tomcat - 图1
可以通过 Sort by 查看其他版本的 tomcat,默认是最新版本 tomcat:latest
此外,我们还可以用 docker search tomcat 命令来查看可用版本:

  1. runoob@runoob:~/tomcat$ docker search tomcat
  2. NAME DESCRIPTION STARS OFFICIAL AUTOMATED
  3. tomcat Apache Tomcat is an open source implementa... 744 [OK]
  4. dordoka/tomcat Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 ba... 19 [OK]
  5. consol/tomcat-7.0 Tomcat 7.0.57, 8080, "admin/admin" 16 [OK]
  6. consol/tomcat-8.0 Tomcat 8.0.15, 8080, "admin/admin" 14 [OK]
  7. cloudesire/tomcat Tomcat server, 6/7/8 8 [OK]
  8. davidcaste/alpine-tomcat Apache Tomcat 7/8 using Oracle Java 7/8 wi... 6 [OK]
  9. andreptb/tomcat Debian Jessie based image with Apache Tomc... 4 [OK]
  10. kieker/tomcat 2 [OK]
  11. fbrx/tomcat Minimal Tomcat image based on Alpine Linux 2 [OK]
  12. jtech/tomcat Latest Tomcat production distribution on l... 1 [OK]

这里我们拉取官方的镜像:
runoob@runoob:~/tomcat$ docker pull tomcat
等待下载完成后,我们就可以在本地镜像列表里查到 REPOSITORY 为 tomcat 的镜像。
runoob@runoob:~/tomcat$ docker images|grep tomcat
tomcat latest 70f819d3d2d9 7 days ago 335.8 MB

方法二、通过 Dockerfile 构建

创建Dockerfile
首先,创建目录tomcat,用于存放后面的相关东西。
runoob@runoob:~$ mkdir -p ~/tomcat/webapps ~/tomcat/logs ~/tomcat/conf
webapps 目录将映射为 tomcat 容器配置的应用程序目录。
logs 目录将映射为 tomcat 容器的日志目录。
conf 目录里的配置文件将映射为 tomcat 容器的配置文件。
进入创建的 tomcat 目录,创建 Dockerfile。

  1. FROM openjdk:8-jre
  2. ENV CATALINA_HOME /usr/local/tomcat
  3. ENV PATH $CATALINA_HOME/bin:$PATH
  4. RUN mkdir -p "$CATALINA_HOME"
  5. WORKDIR $CATALINA_HOME
  6. # let "Tomcat Native" live somewhere isolated
  7. ENV TOMCAT_NATIVE_LIBDIR $CATALINA_HOME/native-jni-lib
  8. ENV LD_LIBRARY_PATH ${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$TOMCAT_NATIVE_LIBDIR
  9. # runtime dependencies for Tomcat Native Libraries
  10. # Tomcat Native 1.2+ requires a newer version of OpenSSL than debian:jessie has available
  11. # > checking OpenSSL library version >= 1.0.2...
  12. # > configure: error: Your version of OpenSSL is not compatible with this version of tcnative
  13. # see http://tomcat.10.x6.nabble.com/VOTE-Release-Apache-Tomcat-8-0-32-tp5046007p5046024.html (and following discussion)
  14. # and https://github.com/docker-library/tomcat/pull/31
  15. ENV OPENSSL_VERSION 1.1.0f-3+deb9u2
  16. RUN set -ex; \
  17. currentVersion="$(dpkg-query --show --showformat '${Version}\n' openssl)"; \
  18. if dpkg --compare-versions "$currentVersion" '<<' "$OPENSSL_VERSION"; then \
  19. if ! grep -q stretch /etc/apt/sources.list; then \
  20. # only add stretch if we're not already building from within stretch
  21. { \
  22. echo 'deb http://deb.debian.org/debian stretch main'; \
  23. echo 'deb http://security.debian.org stretch/updates main'; \
  24. echo 'deb http://deb.debian.org/debian stretch-updates main'; \
  25. } > /etc/apt/sources.list.d/stretch.list; \
  26. { \
  27. # add a negative "Pin-Priority" so that we never ever get packages from stretch unless we explicitly request them
  28. echo 'Package: *'; \
  29. echo 'Pin: release n=stretch*'; \
  30. echo 'Pin-Priority: -10'; \
  31. echo; \
  32. # ... except OpenSSL, which is the reason we're here
  33. echo 'Package: openssl libssl*'; \
  34. echo "Pin: version $OPENSSL_VERSION"; \
  35. echo 'Pin-Priority: 990'; \
  36. } > /etc/apt/preferences.d/stretch-openssl; \
  37. fi; \
  38. apt-get update; \
  39. apt-get install -y --no-install-recommends openssl="$OPENSSL_VERSION"; \
  40. rm -rf /var/lib/apt/lists/*; \
  41. fi
  42. RUN apt-get update && apt-get install -y --no-install-recommends \
  43. libapr1 \
  44. && rm -rf /var/lib/apt/lists/*
  45. # see https://www.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/KEYS
  46. # see also "update.sh" (https://github.com/docker-library/tomcat/blob/master/update.sh)
  47. ENV GPG_KEYS 05AB33110949707C93A279E3D3EFE6B686867BA6 07E48665A34DCAFAE522E5E6266191C37C037D42 47309207D818FFD8DCD3F83F1931D684307A10A5 541FBE7D8F78B25E055DDEE13C370389288584E7 61B832AC2F1C5A90F0F9B00A1C506407564C17A3 713DA88BE50911535FE716F5208B0AB1D63011C7 79F7026C690BAA50B92CD8B66A3AD3F4F22C4FED 9BA44C2621385CB966EBA586F72C284D731FABEE A27677289986DB50844682F8ACB77FC2E86E29AC A9C5DF4D22E99998D9875A5110C01C5A2F6059E7 DCFD35E0BF8CA7344752DE8B6FB21E8933C60243 F3A04C595DB5B6A5F1ECA43E3B7BBB100D811BBE F7DA48BB64BCB84ECBA7EE6935CD23C10D498E23
  48. ENV TOMCAT_MAJOR 8
  49. ENV TOMCAT_VERSION 8.5.32
  50. ENV TOMCAT_SHA512 fc010f4643cb9996cad3812594190564d0a30be717f659110211414faf8063c61fad1f18134154084ad3ddfbbbdb352fa6686a28fbb6402d3207d4e0a88fa9ce
  51. ENV TOMCAT_TGZ_URLS \
  52. # https://issues.apache.org/jira/browse/INFRA-8753?focusedCommentId=14735394#comment-14735394
  53. https://www.apache.org/dyn/closer.cgi?action=download&filename=tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz \
  54. # if the version is outdated, we might have to pull from the dist/archive :/
  55. https://www-us.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz \
  56. https://www.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz \
  57. https://archive.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz
  58. ENV TOMCAT_ASC_URLS \
  59. https://www.apache.org/dyn/closer.cgi?action=download&filename=tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz.asc \
  60. # not all the mirrors actually carry the .asc files :'(
  61. https://www-us.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz.asc \
  62. https://www.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz.asc \
  63. https://archive.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz.asc
  64. RUN set -eux; \
  65. \
  66. savedAptMark="$(apt-mark showmanual)"; \
  67. apt-get update; \
  68. \
  69. apt-get install -y --no-install-recommends gnupg dirmngr; \
  70. \
  71. export GNUPGHOME="$(mktemp -d)"; \
  72. for key in $GPG_KEYS; do \
  73. gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
  74. done; \
  75. \
  76. apt-get install -y --no-install-recommends wget ca-certificates; \
  77. \
  78. success=; \
  79. for url in $TOMCAT_TGZ_URLS; do \
  80. if wget -O tomcat.tar.gz "$url"; then \
  81. success=1; \
  82. break; \
  83. fi; \
  84. done; \
  85. [ -n "$success" ]; \
  86. \
  87. echo "$TOMCAT_SHA512 *tomcat.tar.gz" | sha512sum -c -; \
  88. \
  89. success=; \
  90. for url in $TOMCAT_ASC_URLS; do \
  91. if wget -O tomcat.tar.gz.asc "$url"; then \
  92. success=1; \
  93. break; \
  94. fi; \
  95. done; \
  96. [ -n "$success" ]; \
  97. \
  98. gpg --batch --verify tomcat.tar.gz.asc tomcat.tar.gz; \
  99. tar -xvf tomcat.tar.gz --strip-components=1; \
  100. rm bin/*.bat; \
  101. rm tomcat.tar.gz*; \
  102. rm -rf "$GNUPGHOME"; \
  103. \
  104. nativeBuildDir="$(mktemp -d)"; \
  105. tar -xvf bin/tomcat-native.tar.gz -C "$nativeBuildDir" --strip-components=1; \
  106. apt-get install -y --no-install-recommends \
  107. dpkg-dev \
  108. gcc \
  109. libapr1-dev \
  110. libssl-dev \
  111. make \
  112. "openjdk-${JAVA_VERSION%%[.~bu-]*}-jdk=$JAVA_DEBIAN_VERSION" \
  113. ; \
  114. ( \
  115. export CATALINA_HOME="$PWD"; \
  116. cd "$nativeBuildDir/native"; \
  117. gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
  118. ./configure \
  119. --build="$gnuArch" \
  120. --libdir="$TOMCAT_NATIVE_LIBDIR" \
  121. --prefix="$CATALINA_HOME" \
  122. --with-apr="$(which apr-1-config)" \
  123. --with-java-home="$(docker-java-home)" \
  124. --with-ssl=yes; \
  125. make -j "$(nproc)"; \
  126. make install; \
  127. ); \
  128. rm -rf "$nativeBuildDir"; \
  129. rm bin/tomcat-native.tar.gz; \
  130. \
  131. # reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
  132. apt-mark auto '.*' > /dev/null; \
  133. [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
  134. apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
  135. rm -rf /var/lib/apt/lists/*; \
  136. \
  137. # sh removes env vars it doesn't support (ones with periods)
  138. # https://github.com/docker-library/tomcat/issues/77
  139. find ./bin/ -name '*.sh' -exec sed -ri 's|^#!/bin/sh$|#!/usr/bin/env bash|' '{}' +
  140. # verify Tomcat Native is working properly
  141. RUN set -e \
  142. && nativeLines="$(catalina.sh configtest 2>&1)" \
  143. && nativeLines="$(echo "$nativeLines" | grep 'Apache Tomcat Native')" \
  144. && nativeLines="$(echo "$nativeLines" | sort -u)" \
  145. && if ! echo "$nativeLines" | grep 'INFO: Loaded APR based Apache Tomcat Native library' >&2; then \
  146. echo >&2 "$nativeLines"; \
  147. exit 1; \
  148. fi
  149. EXPOSE 8080
  150. CMD ["catalina.sh", "run"]

通过 Dockerfile 创建一个镜像,替换成你自己的名字:
runoob@runoob:~/tomcat$ docker build -t tomcat .
创建完成后,我们可以在本地的镜像列表里查找到刚刚创建的镜像:
runoob@runoob:~/tomcat$ docker images|grep tomcat
tomcat latest 70f819d3d2d9 7 days ago 335.8 MB


使用 tomcat 镜像

运行容器

runoob@runoob:~/tomcat$ docker run —name tomcat -p 8080:8080 -v $PWD/test:/usr/local/tomcat/webapps/test -d tomcat
acb33fcb4beb8d7f1ebace6f50f5fc204b1dbe9d524881267aa715c61cf75320
runoob@runoob:~/tomcat$
命令说明:
-p 8080:8080:将主机的 8080 端口映射到容器的 8080 端口。
-v $PWD/test:/usr/local/tomcat/webapps/test:将主机中当前目录下的 test 挂载到容器的 /test。
查看容器启动情况
runoob@runoob:~/tomcat$ docker ps
CONTAINER ID IMAGE COMMAND … PORTS NAMES
acb33fcb4beb tomcat “catalina.sh run” … 0.0.0.0:8080->8080/tcp tomcat
通过浏览器访问
Docker 安装 Tomcat - 图2