今天开始安装tomcat
#官方使用方式,用完即删，适合测试
[root@xiaoxiao ~]# docker run -it --rm tomcat:9.0
Unable to find image 'tomcat:9.0' locally
9.0: Pulling from library/tomcat
d6ff36c9ec48: Pull complete
c958d65b3090: Pull complete
edaf0a6b092f: Pull complete
80931cf68816: Pull complete
bf04b6bbed0c: Pull complete
8bf847804f9e: Pull complete
fa776a6e7e37: Pull complete
586534165c2f: Pull complete
0f6d126a6962: Pull complete
9f3317edffb3: Pull complete
Digest: sha256:9de2415ccf10fe8e5906e4b72eda21649a7a1d0b88e9111f8409062599f3728e
#这种方式，docker ps看不到镜像
[root@xiaoxiao ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
[root@xiaoxiao ~]#
#下载再启动
docker pull tomcat
#测试
[root@xiaoxiao ~]# docker pull tomcat
Using default tag: latest
latest: Pulling from library/tomcat
Digest: sha256:9de2415ccf10fe8e5906e4b72eda21649a7a1d0b88e9111f8409062599f3728e
Status: Downloaded newer image for tomcat:latest
docker.io/library/tomcat:latest
[root@xiaoxiao ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 4bb46517cac3 2 weeks ago 133MB
centos latest 0d120b6ccaa8 2 weeks ago 215MB
tomcat 9.0 2ae23eb477aa 3 weeks ago 647MB
tomcat latest 2ae23eb477aa 3 weeks ago 647MB
#启动运行
docker run
#测试
[root@xiaoxiao ~]# docker run -d -p 3355:8080 --name tomcat01 tomcat
e383e6f95c8b59cd1c64ac0ea75b1fcc9291d506984add134cd2f36f3b2ad189
#进入容器
docker exec
#调试
[root@xiaoxiao ~]# docker exec -it tomcat01 /bin/bash
root@e383e6f95c8b:/usr/local/tomcat# ls
BUILDING.txt LICENSE README.md RUNNING.txt conf logs temp webapps.dist
CONTRIBUTING.md NOTICE RELEASE-NOTES bin lib native-jni-lib webapps work
#发现问题，linux命令少了，以及没有webapps
#是由于阿里云镜像是最小镜像，所有没必要的都去除，保证最小可运行环境
#webapps.dist里面是webapp的所有内容
root@e383e6f95c8b:/usr/local/tomcat/webapps.dist# ls
ROOT docs examples host-manager manager
#，将.dist的内容拷贝到webapps
root@e383e6f95c8b:/usr/local/tomcat# cp -r webapps.dist/* webapps
root@e383e6f95c8b:/usr/local/tomcat/webapps# ls
ROOT docs examples host-manager manager
这样就ok了
注意要将安全组放通~
好了，tomcat就部署完了