server {
    ### ONLY listen to 443 (ssl) connections
    listen 443 ssl;
    # uncomment the next line to activate IPv6
    # listen [::]:80;

    root /home/mks/mainsail;

    index index.html;
    server_name _;

    large_client_header_buffers 4 16k;
    client_header_buffer_size 1k;
    # disable max upload size checks
    client_max_body_size 0;

    # disable proxy request buffering
    proxy_request_buffering off;
    
    # SSL certificates
    ssl_certificate /etc/nginx/ssl/mainsail.crt;
    ssl_certificate_key /etc/nginx/ssl/mainsail.key;

    access_log /var/log/nginx/mainsail-access.log;
    error_log /var/log/nginx/mainsail-error.log;

    # disable this section on smaller hardware like a pi zero
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_proxied expired no-cache no-store private auth;
    gzip_comp_level 4;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_types text/plain text/css text/xml text/javascript application/javascript application/x-javascript application/json application/xml;

    location = /index.html {
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }

    location / {
        try_files $uri $uri/ /index.html;
    }

    ### CUSTOM ###
    location /websocket {
    proxy_pass http://apiserver/websocket;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
    proxy_set_header Connection $connection_upgrade;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_read_timeout 86400;
    }
    ##############


    location ~ ^/(printer|api|access|machine|server)/ {
        proxy_pass http://apiserver$request_uri;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Scheme $scheme;
    }

    location /webcam/ {
        postpone_output 0;
        proxy_buffering off;
        proxy_ignore_headers X-Accel-Buffering;
        access_log off;
        error_log off;
        proxy_pass http://mjpgstreamer1/;
    }

    location /webcam2/ {
        postpone_output 0;
        proxy_buffering off;
        proxy_ignore_headers X-Accel-Buffering;
        access_log off;
        error_log off;
        proxy_pass http://mjpgstreamer2/;
    }

    location /webcam3/ {
        postpone_output 0;
        proxy_buffering off;
        proxy_ignore_headers X-Accel-Buffering;
        access_log off;
        error_log off;
        proxy_pass http://mjpgstreamer3/;
    }

    location /webcam4/ {
        postpone_output 0;
        proxy_buffering off;
        proxy_ignore_headers X-Accel-Buffering;
        access_log off;
        error_log off;
        proxy_pass http://mjpgstreamer4/;
    }
}