docker内nginx 80端口被占用

jz_tech
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[root@8f52078ea4e6 config]# nginx
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
nginx: [emerg] still could not bind()

docker容器配置的端口对应关系: 22/tcp, 0.0.0.0:80->80/tcp

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4 个回答

不是很确定,但是和docker的端口映射应该是没关系的,docker的关系映射相当于是再virtual box里面配了一个端口匹配规则,不会占用这个端口的,相当于外部端口转发到内部容器端口里。
所以你这个错误应该是docker内部端口被占了。试一下lsof -i :80看看

用的什么镜像?
如果官方的nginx的话, nginx进程已经启动了, 这时你当然不能再在80上启动另一个

题主可以进入nginx的docker container实例,查看一下nginx是否已经启动:

ps -ef | grep nginx
# or
netstat -ntpl | grep 80

如果已经启动,则不需要在重复启动了

clipboard.png
你这已经是在容器中了吧,你的nginx容器启动后,80端口就已经起来了,你在运行nginx,肯定显示被占用了。

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