因为某些原因netstat
没有列出 docker 暴露的端口。按照建议here https://stackoverflow.com/questions/36454955/docker-and-netstat-netstat-is-not-showing-ports-exposed-by-docker-containers I usedEXPOSE
对于端口 8080 和 5050。但主机看不到它们。
Dockerfile
...
FROM openjdk:11-jre-slim
COPY --from=build /usr/src/app/api/target/track-metadata-api-*.jar /app/track-metadata-api.jar
WORKDIR /app
EXPOSE 8080 5050
CMD java -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5050 -jar track-metadata-api.jar
码头工人
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a6d3381a992d track-metadata_track-metadata "/bin/sh -c 'java -a…" 7 minutes ago Up 7 minutes 0.0.0.0:5050->5050/tcp, 0.0.0.0:8080->8080/tcp track-metadata_track-metadata_1
网络统计和卷曲
$ sudo netstat --all | grep 8080 # returns nothing
$ curl http://localhost:8080/v1/track-metadata/filtered
[{"authorName":"AC/DC","duration":208,"id":1,"tags":"#rock","trackName":"Highway to Hell"},{"authorName":"Sum41","duration":209,"id":2,"tags":"#rock","trackName":"War"},{"authorName":"Ziggy Marley","duration":220,"id":3,"tags":"#ragge","trackName":"Beach in Hawaii"}]
Docker 和 Ubuntu 版本
$ docker --version
Docker version 18.06.1-ce, build e68fc7a
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.10
Release: 18.10
代号:宇宙