Using Strapi for production app

I am running a startup it’s a hyperlocal news and market place for a community. OUR users will be 100k to 150k .We will be posting daily 50+news articles .Our stack Flutter, dart , strapi.io database MONGOGODB .server Aws everything is dockerized .How good it is too use strapi.io to managing ?Or should we go with custom node j s

Can you please give me your dockerfile and database config file. I am trying to dockerize my custom project . I didn’t find any good solution for it.