server {
    listen 80;
    server_name vscode.itk.academy *.vscode.itk.academy;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name vscode.itk.academy *.vscode.itk.academy;

    ssl_certificate /etc/letsencrypt/live/vscode.itk.academy/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/vscode.itk.academy/privkey.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # Dynamic port proxying based on subdomain
    location / {
        if ($host ~* "^(\d+)\.vscode\.itk\.academy$") {
            set $port $1;
        }

        proxy_pass http://127.0.0.1:$port/;
        proxy_http_version 1.1;

        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;

        proxy_read_timeout 600s;
        proxy_send_timeout 600s;
        proxy_connect_timeout 10s;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Real-IP $remote_addr;
    }
    # Proxy static assets correctly
    location ~* ^/stable-([a-f0-9]+)/vscode-remote-resource {
        if ($host ~* "^(\d+)\.vscode\.itk\.academy$") {
            set $port $1;
        }

        proxy_pass http://127.0.0.1:$port$request_uri;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        expires max;
        access_log off;
    }
    # Proxy static assets correctly
    location ~* ^/stable-([a-f0-9]+)/static/ {
        if ($host ~* "^(\d+)\.vscode\.itk\.academy$") {
            set $port $1;
        }

        proxy_pass http://127.0.0.1:$port$request_uri;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        expires max;
        access_log off;
    }
}