dockerized nginx static file server with subdomain dynamic routing and gzip compression

default.conf

server {
    server_name ~^(?<subdomain>.+).dlg.com$ ;
    root   /usr/share/nginx/$subdomain;
    listen 7070 http2;
    gzip on;
    gzip_disable "msie6";
    gzip_min_length 0;
    gzip_types *;

    location / {
      index  index.html index.htm;
      expires 7d;
    }
}

Dockerfile

FROM nginx:alpine
COPY default.conf /etc/nginx/conf.d/default.conf
RUN mkdir -p /usr/share/nginx/one
RUN mkdir -p /usr/share/nginx/two
COPY index.html /usr/share/nginx/one/index.html
COPY index2.html /usr/share/nginx/two/index.html

hosts

127.0.0.1  one.dlg.com
127.0.0.1  two.dlg.com

index.html

<h1>one</h1>

index2.html

<h1>two</h1>