Docker installation of Nginx problems and error analysis

question:

The following error occurred when installing Nginx in Docker :

docker: Error response from daemon: OCI runtime create failed: container_linux.go:345: starting container process caused “process_linux.go:424: container init caused “rootfs_linux.go:58: mounting \”/docker/nginx/conf\” to rootfs \"/var/lib/docker/overlay2/126c244dc6ee7095b1501a503eb361bade4fc255601ec0b0fe96238b58178958/merged\" at \"/var/lib/docker/overlay2/126c244dc6ee7095b1501a503eb361bade4fc255601ec0b0fe96238b58178958/merged/etc/nginx/nginx.conf\" caused \“not a directory\”"": unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type.

I installed the image and went directly to

docker run \ -p 80:80 \ --name nginx \ -d --restart=always \ -v /mydata/nginx/html:/usr/share/nginx/html \ -v /mydata/nginx/conf/nginx.conf:/etc/nginx/nginx.conf \ -v /mydata/nginx/logs:/var/log/nginx \ nginx

Then something went wrong.

Error analysis:

The part of the error that I can understand says: trying to mount a directory to a folder, /nginx/nginx.conf\" caused \“not a directory\”" , da da da... something like that. Here I looked at the file path on the host and found that the locally created nginx.conf was a folder nginx.conf/ , not the file nginx.conf I wanted.

Correct operation method:

Create a file

mkdir -p /mydata/nginx/conf
touch /mydata/nginx/conf/nginx.conf

vim /mydata/nginx/conf/nginx.conf

Write the official initial content in nginx.conf

#user nobody;
worker_processes 1;

#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;

#pid logs/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include mime.types;
    default_type application/octet-stream;

    #log_format main '$remote_addr - $remote_user [$time_local] "$request" '
    # '$status $body_bytes_sent "$http_referer" '
    # '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log logs/access.log main;

    sendfile on;
    #tcp_nopush on;

    #keepalive_timeout 0;
    keepalive_timeout 65;

    #gzip on;

    server {
        listen 80;
        server_name localhost;

        #charset koi8-r;

        #access_log logs/host.access.log main;

        location / {
            root /usr/share/nginx/html;
            index index.html index.htm;
        }

        #error_page 404 /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            root html;
        }
    }
}

Then run

docker run \
	-p 80:80 \
	--name nginx \
 	-d --restart=always \
 	-v /mydata/nginx/html:/usr/share/nginx/html \
 	-v /mydata/nginx/conf.d:/etc/nginx/conf.d \
 	-v /mydata/nginx/conf/nginx.conf:/etc/nginx/nginx.conf \
 	-v /mydata/nginx/logs:/var/log/nginx \
 	nginx 

test:

Put an index.html in the local /mydata/nginx/html/ ,

Restart: docker restart nginx

Visit http://localhost/

Reference blog:

​ https://www.cnblogs.com/ivictor/p/4834864.html (Summary of directory mounting)

https://blog.csdn.net/qierkang/article/details/92657302

​ https://my.oschina.net/u/3375733/blog/1591091 (If you need to add /conf.d/*.conf, you can read this blog)

​ https://blog.csdn.net/weixin_44757670/article/details/104993869 (If you need to add /conf.d/*.conf, you can read this blog)

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