Browser access error after webpack-dev-server running.

the project structure is shown in the following figure

webpack.config.js 

 


 can be accessed normally, checked a large amount of information, but do not know what went wrong, webpack-dev-server running HTTP server, life or death is a problem. Would you please help me to see what the problem is?
Node.js javascript webpack-dev-server webpack
Mar.12,2021

reporting that error is the wrong path. I see if you are missing. /
contentBase: path.join (_ _ dirname,'. / dist')

stupid, devServer.publicPath:'/ 'changed to the default value is normal. I have never understood the meaning of this attribute, which is the access path of URL.

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ea4643-1cd4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea4643-1cd4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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