You can expose any port or set of ports using EXPOSE in Dockerfile. EXPOSE 8080 3000 3001 Generally, the Node application uses default port as 3000. But you can change it with configurations. solved Are there any specifications on what ports are there for back-end application?
The value is passed by value to the Add method; however, if you pass a reference type (a class is always a reference type), then the value itself is a reference. So the question is not so much whether the value is passed by value or by reference, but if the type is a value … Read more
list::sort requires a predicate function-object. You can try: std::list<person> people; // Add some people… people.sort([](const person &left, const person &right) { return left.name < right.name; }); See also: Sorting a list of a custom type 1 solved C++ Own comparison in std::list