Docker学习重点(9)~SpringBoot微服务打包成Docker镜像

FROM java:8
COPY *.jar /app.jar   # 把当前所有的jar包都拷贝到最后生成的应用app项目目录下
CMD ["--server.port=8080"]
EXPOSE 8080
ENTRYPOINT ["java","-jar","/app.jar"]

[root@iZwz9535z41cmgcpkm7i81Z idea]# pwd
/home/idea
[root@iZwz9535z41cmgcpkm7i81Z idea]# ls
[root@iZwz9535z41cmgcpkm7i81Z idea]# ls
Dockerfile  testdocker-1.0.0.jar
[root@iZwz9535z41cmgcpkm7i81Z idea]# docker build -t shan666 .
[root@iZwz9535z41cmgcpkm7i81Z idea]# docker images
REPOSITORY   TAG                IMAGE ID       CREATED         SIZE
shan666      latest             3de56aa20b0a   6 seconds ago   660MB
nginx        latest             605c77e624dd   3 months ago    141MB
tomcat       9.0                b8e65a4d736d   4 months ago    680MB
centos       latest             5d0da3dc9764   7 months ago    231MB
redis        5.0.9-alpine3.11   3661c84ee9d0   2 years ago     29.8MB
java         8                  d23bdf5b1b1b   5 years ago     643MB
[root@iZwz9535z41cmgcpkm7i81Z idea]# docker run -d -P --name shan-springboot-web shan666
84d2498a5eec5bcd3f60c915f8cf5d5fa5b8e5dfab1c179c30b3efc4ec68052e
[root@iZwz9535z41cmgcpkm7i81Z idea]# docker ps
CONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS         PORTS                     NAMES
84d2498a5eec   shan666   "java -jar /app.jar …"   5 seconds ago   Up 3 seconds   0.0.0.0:49160->8080/tcp   shan-springboot-web
[root@iZwz9535z41cmgcpkm7i81Z idea]# curl localhost:49160/
{"timestamp":"2022-04-28T03:16:51.901+00:00","status":404,"error":"Not Found","message":"","path":"/"}[root@iZwz9535z41cmgcpkm7i81Z idea]# curl localhost:49160/hello
hello,shan[root@iZwz9535z41cmgcpkm7i81Z idea]#