nginx.conf

user nginx;
worker_processes auto;
pcre_jit on;
error_log /var/log/nginx/error.log warn;
include /etc/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    server_tokens off;
    client_max_body_size 1m;
    keepalive_timeout 65;
    sendfile on;
    tcp_nodelay on;
    gzip_vary on;
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
            '$status $body_bytes_sent "$http_referer" '
            '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /var/log/nginx/access.log main;
    
    #HTTPS Proxy
    server {
        listen 443 ssl default_server;
        listen [::]:443 ssl default_server;

        server_name _;

        ssl_certificate /cert/fullchain.pem;
        ssl_certificate_key /cert/privkey.pem;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_session_cache shared:SSL:10m;
        ssl_session_timeout 10m;
        ssl_prefer_server_ciphers on;
        ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK';
        ssl_dhparam /cert/dhparam.pem;
        
        location / {
            proxy_pass ${SSL_FORWARD};
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $remote_addr;
            proxy_redirect http://$host https://$host;
        }
    }


    # HTTP Catch all + Certbot challenge response
    server {
        listen 0.0.0.0:80 default_server;
        listen [::]:80 default_server;
        server_name _;
        
        location /.well-known {
            alias /acme/.well-known;
        }
        location / {
            return 301 https://$host$request_uri;
        }
    }

}