创建 dockerfile
Dockerfile
PS: 文件名字必须是这样Dockerfile
FROM tomcat:8.0
COPY index.jsp /usr/local/tomcat/webapps/ROOT
EXPOSE 8080
index.jsp
<%
out.println("Hello World, V1");
%>
build 并测试
The docker build command processes this file generating a Docker Image in your Local Image Cache, which you can then start-up using the docker run command, or push to a permanent Image Repository.
docker build 创建一个docker镜像,这个镜像可以在你本地运行。
$docker build -t mytomcat:1.0 .
$docker run -p 8080:8080 -d mytomcat:1.0
$curl localhost:8080
push 到 docker hub
注册一个账号
Build image
Docker login
输入用户名、密码
Docker push
第一步:修改 tag 名称
// 必须先修改 tag 名称
docker tag firstimage YOUR_DOCKERHUB_NAME/firstimage
举例:
docker tag mytomcat:1.0 preparedman/mytomcat:1.0
第二步:push
docker push YOUR_DOCKERHUB_NAME/firstimage
举例:docker push preparedman/mytomcat:1.0
Docker 测试
https://cloud.docker.com/u/preparedman/repository/docker/preparedman/mytomcat