Suicide In Islamic Doctrine...

ۚ وَلَا تَقْتُلُوٓا۟ أَنفُسَكُمْ ۚ إِنَّ ٱللَّهَ كَانَ بِكُمْ رَحِيمًا

Thou shalt not kill thyself, lo! Allah is loving

I am sure that in all religions on earth it does not justify its followers to allow suicide

Severe life problems sometimes make us want to give up living this life.
The complexity of the problem and the mental endurance of each person is different.
Many people find their problems more difficult than others,
so with the shortcut they choose by ending his life,
when we look at it from a vast point of view, there are many who face similar problems and even heavier than themselves but the nature of fortitude, patience, and facing life will firmly make a person escape from the fatal desire for his own

Let us live life in this world with great readiness