nginx 1.19.3 + missing /etc/ssl/dhparam.pem
/etc/ssl/dhparam.pem: copy it from a previous stage #15
Fixes
nginx_1 | nginx: [emerg] BIO_new_file("/etc/ssl/dhparam.pem") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/ssl/dhparam.pem','r') error:2006D080:BIO routines:BIO_new_file:no such file)