Doctrine Courses

Symfony API Platform with React Full Stack Masterclass
Udemy

Symfony PHP Framework Tutorial - Full Course
freeCodeCamp

Doctrine Relationships in Symfony 5 Framework - One to One, One to Many, Many to Many + More. MySQL, Postgres, Oracle
YouTube

Intro to Web Application Development with Symfony
Zenva via YouTube

Curso de Symfony
Zenva via YouTube

Doctrine, Symfony 6 & the Database
SymfonyCasts

Mastering Doctrine Relations
SymfonyCasts

API Platform 3 Part 3: Custom Resources
SymfonyCasts

Doctrine, Symfony & the Database
SymfonyCasts

Mastering Doctrine Relations in Symfony 4!
SymfonyCasts