This builds and runs without apparent error:
root@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# docker exec -ti some-nginx bashroot@2c912aa5ce5c:/# root@2c912aa5ce5c:/# ls /usr/share/nginx/html/50x.html index.htmlroot@2c912aa5ce5c:/# root@2c912aa5ce5c:/# cat /usr/share/nginx/html/50x.html <!DOCTYPE html><html><head><title>Error</title><style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; }</style></head><body><h1>An error occurred.</h1><p>Sorry, the page you are looking for is currently unavailable.<br/>Please try again later.</p><p>If you are the system administrator of this resource then you should checkthe error log for details.</p><p><em>Faithfully yours, nginx.</em></p></body></html>root@2c912aa5ce5c:/# root@2c912aa5ce5c:/# cat /usr/share/nginx/html/index.html hello worldhow do I put this file in a diff dir?root@2c912aa5ce5c:/# root@2c912aa5ce5c:/# exitexitroot@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# docker container lsCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES2c912aa5ce5c some-content-nginx "/docker-entrypoint.…" 5 minutes ago Up 5 minutes 0.0.0.0:8080->80/tcp some-nginxroot@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# lsdockerfile index.htmlroot@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# cat dockerfile FROM nginxCOPY index.html /usr/share/nginx/htmlroot@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# cat index.html hello worldhow do I put this file in a diff dir?root@mordor:/home/nicholas/docker/nginx# Yet, there's no output when browsing to localhost:
nicholas@mordor:~$ nicholas@mordor:~$ lynx localhost --dumpLooking up localhostMaking HTTP connection to localhostAlert!: Unable to connect to remote host.lynx: Can't access startfile http://localhost/nicholas@mordor:~$ nicholas@mordor:~$ lynx localhost/index.html --dumpLooking up localhostMaking HTTP connection to localhostAlert!: Unable to connect to remote host.lynx: Can't access startfile http://localhost/index.htmlnicholas@mordor:~$ nicholas@mordor:~$ lynx localhost/50x.html --dumpLooking up localhostMaking HTTP connection to localhostAlert!: Unable to connect to remote host.lynx: Can't access startfile http://localhost/50x.htmlnicholas@mordor:~$ Neither am I getting a welcome file from nginx as I'd expect.