chore: configure nginx for production

conf/nginx.conf

+events {
+
+}
+http {
+    # remediate version disclosure in "Server" header
+    server_tokens off;
+
+    server {
+        listen 8080;
+
+        # some xml files are way too large...
+        # value increased to exist-db max
+        client_max_body_size 100M;
+
+        location /api {
+            proxy_pass http://db:8080/exist/restxq;
+        }
+        location / {
+            proxy_pass http://front:80;
+        }
+    }
+}