docker-compose.yml

services:
  sia:
    image: mtlynch/sia:1.3.3-rc1
    container_name: sia
    environment:
      - SIA_MODULES=gctrw
    restart: on-failure
    ports:
      - 9981:9981
    volumes:
      - ./sia-data:/sia-data
      - ./uploads:/sia-uploads
  nginx:
    image: nginx
    container_name: nginx
    restart: always
    ports:
      - 80:80
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    links:
      - sia
  # sia-metrics-collector is optional. It will collect Sia metrics for you
  # in your metrics/ folder. You can delete this section if you don't want it.
  sia-metrics-collector:
    image: mtlynch/sia_metrics_collector:2018-05-08
    container_name: sia-metrics-collector
    environment:
      - SIA_HOSTNAME=http://sia
      - OUTPUT_FILE=/metrics/metrics.csv
    restart: on-failure
    volumes:
      - ./metrics:/metrics
    depends_on:
      - sia
    links:
      - sia

nginx.conf

events {}

http {
    upstream sia-backend {
      server sia:9980;
    }

    server {
        listen 80;
        proxy_read_timeout 600s;

        rewrite ^/(.+)$ /renter/stream/$1 last;
        location /renter/stream/ { proxy_pass http://sia:9980; }
    }
}