resolver 127.0.0.11 valid=30s;

server_tokens off;
reset_timedout_connection on;
client_header_timeout 15s;
client_body_timeout 60s;
send_timeout 60s;

limit_conn_zone $binary_remote_addr zone=per_address_connections:10m;
limit_req_zone $binary_remote_addr zone=broker_requests:10m rate=20r/s;
map $uri $gitea_login_client {
    default "";
    "/user/login" $binary_remote_addr;
}
limit_req_zone $gitea_login_client zone=gitea_login_requests:10m rate=10r/m;

upstream broker_backend {
    zone broker_backend 64k;
    server broker:8080 resolve;
}

upstream gitea_backend {
    zone gitea_backend 64k;
    server gitea:3000 resolve;
}

server {
    listen 80 default_server;
    server_name _;
    return 444;
}

server {
    listen 80;
    server_name ${BROKER_DOMAIN} ${GITEA_DOMAIN};

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl default_server;
    server_name _;
    ssl_reject_handshake on;
}

server {
    listen 443 ssl;
    http2 on;
    server_name ${BROKER_DOMAIN};

    ssl_certificate /etc/nginx/ssl/${SSL_CERTIFICATE_FILE};
    ssl_certificate_key /etc/nginx/ssl/${SSL_CERTIFICATE_KEY_FILE};
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;
    ssl_session_tickets off;
    ssl_protocols TLSv1.2 TLSv1.3;

    client_max_body_size 1100m;
    limit_conn per_address_connections 30;
    limit_req zone=broker_requests burst=40 nodelay;

    add_header Strict-Transport-Security "max-age=31536000" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "DENY" always;
    add_header Referrer-Policy "no-referrer" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;

    location / {
        proxy_pass http://broker_backend;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
        proxy_connect_timeout 30s;
        proxy_send_timeout 30m;
        proxy_read_timeout 30m;
        proxy_request_buffering off;
        proxy_buffering off;
    }
}

server {
    listen 443 ssl;
    http2 on;
    server_name ${GITEA_DOMAIN};

    ssl_certificate /etc/nginx/ssl/${SSL_CERTIFICATE_FILE};
    ssl_certificate_key /etc/nginx/ssl/${SSL_CERTIFICATE_KEY_FILE};
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;
    ssl_session_tickets off;
    ssl_protocols TLSv1.2 TLSv1.3;

    client_max_body_size 1100m;
    limit_conn per_address_connections 50;
    limit_req zone=gitea_login_requests burst=10 nodelay;

    add_header Strict-Transport-Security "max-age=31536000" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;

    location / {
        proxy_pass http://gitea_backend;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
        proxy_read_timeout 300s;
    }
}