Nginx (proxy) Docker container

Create required directories
mkdir -p /etc/docker/nginx/{conf.d,html}

Configure nginx as webserver
cat < /etc/docker/nginx/conf.d/default.conf
server {
listen 80;
server_name _;

root /usr/share/nginx/html;
index index.html index.htm;
}
EOF

Configure nginx as proxy
cat < /etc/docker/nginx/conf.d/proxy.conf
server {
listen 80;
server_name foo.example.com;

location / {
proxy_pass http://localhost:8080/;
}
}
EOF

Create container
sudo docker run -d \
--name nginx \
--net host \
-v /etc/docker/nginx/html:/usr/share/nginx/html:ro \
-v /etc/docker/nginx/conf.d:/etc/nginx/conf.d:ro \
nginx

debug
docker restart nginx
docker logs nginx -f

Links
https://hub.docker.com/_/nginx