Compose file for launching octoprint, mjpg-streamer, and proxying them through nginx

docker-compose.yml

version: '2.1'

services:
  octoprint:
    image: beardicus/octoprint
    volumes:
      - ./data:/data
  mjpg-streamer:
      image: beardicus/mjpg-streamer
      devices:
        - '/dev/video0'
  nginx:
      image: nginx
      volumes:
        - ./nginx.conf:/etc/nginx/nginx.conf:ro
      ports:
        - 80:80
      links:
        - octoprint
        - mjpg-streamer

nginx.conf

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include            mime.types;
    default_type       application/octet-stream;
    sendfile           on;
    keepalive_timeout  65;

    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

    server {
        listen       80;
        server_name  localhost;
        client_max_body_size 25M;

        location / {
            proxy_pass http://octoprint:5000/;
            proxy_set_header Host $host:$server_port;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        location /sockjs {
            proxy_pass http://octoprint:5000; # NO trailing slash here!
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }

        location /webcam/ {
            proxy_pass http://mjpg-streamer:8080/;
        }

        # redirect server error pages to the static page /50x.html
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}