feat: add configurable S3 object storage

docker/storage/nginx-files.conf.example

@@ -0,0 +1,45 @@
+server {
+    listen 80;
+    listen [::]:80;
+    server_name files.example.com;
+
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+    server_name files.example.com;
+
+    ssl_certificate /etc/letsencrypt/live/files.example.com/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/files.example.com/privkey.pem;
+
+    # Signed URLs contain credentials and signatures. Do not write the query
+    # string to the standard access log.
+    access_log off;
+
+    location / {
+        limit_except GET HEAD {
+            deny all;
+        }
+
+        proxy_http_version 1.1;
+        proxy_set_header Host $http_host;
+        proxy_set_header X-Forwarded-Proto https;
+        proxy_set_header Connection "";
+        proxy_request_buffering off;
+        proxy_buffering off;
+        proxy_max_temp_file_size 0;
+        proxy_read_timeout 300s;
+        proxy_send_timeout 300s;
+        proxy_pass http://127.0.0.1:3900;
+    }
+
+    add_header X-Content-Type-Options nosniff always;
+}