Should Christians Celebrate Easter?

Is it alright to remember and celebrate the alleged resurrection of Yehoshua from the dead? What can the Bible teach us about it?

The Passover and The Feast of Unleavened Bread:
https://kenboa.org/biblical/the-passover-and-feast-of-unleavened-bread/
The official Orthoprax Christianity website: http://orthopraxchristianity.org/.