You inherit the spells at each indicated cleric level in the Life Domain Spells table as cleric spells.
When you take the Spellcast action with a healing spell, the target regains an additional number of hit points equal to your cleric level.
When you take the Spellcast action with a healing spell, the target gains a number of temporary hit points equal to your Wisdom modifier.
When you take the Spellcast action with a healing spell, you regain hit points equal to the spell's level.
When you take the Spellcast action with a healing spell, up to a number of creatures equal to your Wisdom modifier within 30 feet of the target also regain hit points equal to your Wisdom modifier.