Exodus 40:6 KJV

And thou shalt set the altar of the burnt offering before the door of the tabernacle of the tent of the congregation.
Exodus 40:6, King James Version

In context

5 And thou shalt set the altar of gold for the incense before the ark of the testimony, and put the hanging of the door to the tabernacle.

6 And thou shalt set the altar of the burnt offering before the door of the tabernacle of the tent of the congregation.

7 And thou shalt set the laver between the tent of the congregation and the altar, and shalt put water therein.