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

upstream dootask_backend {
    server dootask:20000;
    keepalive 16;
}

server {
    listen 80;
    server_name _;
    root /var/www/public;
    client_max_body_size 1024M;
    index index.html index.htm index.php;
    charset utf-8;

    location /health {
        proxy_http_version 1.1;
        proxy_set_header Connection "";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_pass http://dootask_backend;
    }

    location / {
        try_files $uri @dootask;
    }

    location ~ \.well-known {
        allow all;
    }

    location = /ws {
        proxy_http_version 1.1;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        proxy_connect_timeout 3600s;
        proxy_pass http://dootask_backend;
    }

    location @dootask {
        proxy_http_version 1.1;
        proxy_set_header Connection "";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $http_host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_pass http://dootask_backend;
    }
}