updating to remove company_site beta

roles/web-static/templates/nginx.conf.j2

@@ -1,9 +1,32 @@
 # Managed by Ansible (roles/web-static). Do not edit by hand.
+# Access logs: JSON to stdout for Alloy → Loki (see dta_webapp/deploy/nginx-logging.conf).
+log_format observability escape=json
+  '{'
+    '"timestamp":"$time_iso8601",'
+    '"level":"INFO",'
+    '"service":"$obs_app",'
+    '"app":"$obs_app",'
+    '"env":"$obs_env",'
+    '"message":"$request",'
+    '"method":"$request_method",'
+    '"status":$status,'
+    '"bytes":$body_bytes_sent,'
+    '"request_time":$request_time,'
+    '"uri":"$request_uri",'
+    '"remote_addr":"$remote_addr",'
+    '"user_agent":"$http_user_agent"'
+  '}';
+
 {% for a in _static_apps %}
 server {
     listen {{ a.port }};
     server_name _;
 
+    set $obs_app "{{ a.name }}";
+    set $obs_env "{{ a.env }}";
+    access_log /dev/stdout observability;
+    error_log /dev/stderr warn;
+
     root {{ (app_catalog[a.name].webroot_pattern | default(web_static_root ~ '/{env}_' ~ a.name)) | replace('{env}', a.env) }};
     index index.html;