upstream s3_backend { server 10.57.21.1:3900; } server { listen 443 ssl http2; listen [::]:443 ssl http2; server_name s3.tyil.nl *.s3.tyil.nl; ssl_certificate /etc/letsencrypt/live/s3.tyil.nl/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/s3.tyil.nl/privkey.pem; location / { proxy_pass http://s3_backend; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $host; proxy_max_temp_file_size 0; } }