configure json logging for uwsgi in k8s environments

sample-config/nginx.conf

@@ -10,9 +10,20 @@ events {
 
 http {
     default_type  application/octet-stream;
-    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
-                      '$status $body_bytes_sent "$http_referer" '
-                      '"$http_user_agent" "$http_x_forwarded_for"';
+    log_format json escape=json
+      '{'
+        '"timestamp":"$time_iso8601",'
+        '"msec":"$msec",'
+        '"request_id":"$request_id",'
+        '"remote_addr":"$remote_addr",'
+        '"remote_user":"$remote_user",'
+        '"request":"$request",'
+        '"status":$status,'
+        '"body_bytes_sent":$body_bytes_sent,'
+        '"referer":"$http_referer",'
+        '"user_agent":"$http_user_agent",'
+        '"http_x_forwarded_for":"$http_x_forwarded_for"'
+      '}';
 
     keepalive_timeout  65;
 
@@ -20,7 +31,7 @@ http {
         listen       8000;
         server_name  localhost;
 
-        access_log /dev/stdout;
+        access_log /dev/stdout json;
 
         location / {
             try_files $uri @app;

sample-config/uwsgi.ini

@@ -3,6 +3,7 @@
 callable = app
 module = app
 plugin = python3
+plugin = stdio
 socket = localhost:8080
 
 ; logger config